Record Number Database Code Specimen ID Project Herbarium Accession Number Barcode NPS Accession NPS Catalog Family Genus 1 Specific Epithet 1 Specific Author 1 Infraspecific Rank 1 Infraspecific Epithet 1 Infraspecific Author 1 Name 1 Qualifier Name 1 Qualifier Position Hybrid Symbol Genus 2 Specific Epithet 2 Specific Author 2 Infraspecific Rank 2 Infraspecific Epithet 2 Infraspecific Author 2 Name 2 Qualifier Name 2 Qualifier Position Conservation Status Annotations Site Key Collector Collector Number Other Collectors Day Collected Month Collected Year Collected Verbatim Collection Date Country State County Locality Site Description Minimum Elevation Maximum Elevation Elevation Unit LatitudeLongitude UTM TRS Decimal Latitude Decimal Longitude Geodetic Datum Coordinate Uncertainty Coordinate Uncertainty Unit Elevation Georeferenced TRS Georeferenced Georeference Sources Georeference Remarks Georeferenced By Specimen Notes Other Notes Phenology Cultivated Images Type Specimen? TypeDetails 1 RM 102797 Rosenthal 1996 RM 679689 RM0046939 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by David Rosenthal. RM-14086 Ronald L. Hartman 54439 9 6 1996 U.S.A. Wyoming Park Northern Absaroka Area: Sheep Mountain 13-14 air mi SW of Cody (center). Lower flanks to cut in limestone and plains on northwest corner of mountain. 5600 6800 ft. 44.479° N, 109.2648° W T52N R103W S17 S1/4; also NE1/4 S19 44.479 -109.2648 Flowering N RM0046939 N 2 RM 102960 Rosenthal 1996 RM 679688 RM0046938 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by David Rosenthal. RM-14095 Ronald L. Hartman 54767 13 6 1996 U.S.A. Wyoming Park Northern Absaroka Area: Hogan Reservoir N and W at base and slopes of Bald Ridge. Shale wash. 4600 5400 ft. 44.8191° N, 109.2935° W T56N R103W S20; also S21 44.8191 -109.2935 Flowering N RM0046938 N 3 RM 109782 Rosenthal 1997 RM 679936 RM0046940 Asteraceae Iva axillaris Pursh RM-14311 Ronald L. Hartman 59708 13 8 1997 U.S.A. Wyoming Park Northern Absaroka Area: Buffalo Bill Reservoir, ca 10 air mi ESE of Wapiti. Area of water fluxuation and roadside. 5500 ft. 44.4356° N, 109.2446° W T52N R103W S33 N1/4 44.4356 -109.2446 Flowering and Fruiting N RM0046940 N 4 RM 110667 Ebertowski 2002 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Peter J. Ebertowski. RM-14332 B. E. Nelson 57007 Peter Ebertowski 13 6 2002 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: Sixmile Basin off Forest Road 918, ca 8.5 air mi SSE of Osage; ca 9 air mi W of Newcastle. Stream channel in bottom of basin. 4000 4100 ft. 43.8657° N, 104.3896° W; uncertainty 1 mi. T45N R63W S23 E1/2 43.8657 -104.3896 1 mi. Flowering N N 5 RM 112056 Ebertowski 2002 RM Asteraceae Iva axillaris Pursh RM-14378 Peter J. Ebertowski 1672 13 7 2002 U.S.A. Wyoming Niobrara Thunder Basin National Grassland and Vicinity: Lance Creek on County Road 13, ca 16.5 air mi NNE of Lance Creek; ca 45 air mi SSW of Newcastle. Creek bed. 3960 3980 ft. 43.2625° N, 104.5827° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T38N R64W S18 SE1/4 43.2625 -104.5827 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Fruiting N N 6 RM 112464 Ebertowski 2002 RM Asteraceae Iva axillaris Pursh RM-14394 Peter J. Ebertowski 2038 22 7 2002 U.S.A. Wyoming Converse Thunder Basin National Grassland and Vicinity: Lightning Creek on County Road 43, ca 34 air mi NE of Douglas; ca 17 air mi ESE of Bill. Along creek. 4370 4400 ft. 43.1403° N, 104.9708° W; uncertainty 0.5 mi. T37N R68W S36 SW1/4 43.1403 -104.9708 1 mi. Fruiting N N 7 RM 11273 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-637 Ronald L. Hartman 56837 Amy J. Roderick and B. A. Packer 5 6 1997 U.S.A. Wyoming Carbon [location and coordinates withheld] Broken slate (shale) with ponderosa pine, rocky sandstone ridges, and alkaline flats. 6500 6600 ft. Flowering N N 8 RM 113198 Ebertowski 2002 RM Asteraceae Iva axillaris Pursh RM-14354 Peter J. Ebertowski 27 B. E. Nelson 16 6 2002 U.S.A. Wyoming Converse Thunder Basin National Grassland and Vicinity: along Steckley or Forest Road 942 just below Robertson Flat, ca 44.5 air mi N of Douglas; ca 13 air mi NNW of Bill. Right of way with adjacent grassland and sagebrush. 5000 5050 ft. 43.3988° N, 105.3702° W; uncertainty 0.5 mi. T40N R71W S34 SW1/4 43.3988 -105.3702 1 mi. Flowering and Fruiting N N 9 RM 113442 Ebertowski 2002 RM Asteraceae Iva axillaris Pursh RM-14432 Peter J. Ebertowski 2919 B. E. Nelson 14 8 2002 U.S.A. Wyoming Converse Thunder Basin National Grassland and Vicinity: Cheyenne River ca 0.5 mi E and downstream of Meadow Creek, ca 19 air mi NE of Bill; ca 33 air mi SE of Wright. Stream bank. 4280 4360 ft. 43.4275° N, 105.0107° W; uncertainty 0.5 mi. T40N R68W S22 NW1/4 43.4275 -105.0107 1 mi. Fruiting N N 10 RM 114779 Ebertowski 2002 RM Asteraceae Iva axillaris Pursh RM-14479 Peter J. Ebertowski 739 28 6 2002 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: above and S of reservoir in gully leading to Robbers Roost Creek, on Cheyenne River or County Road 54, ca 24 air mi SSW of Newcastle; ca 44 air mi SSE of Upton. Grassland with sandstone outcrops. 3980 4060 ft. 43.516° N, 104.3119° W; uncertainty 0.5 mi. T41N R62W S21 NE1/4 43.516 -104.3119 1 mi. Flowering and Fruiting N N 11 RM 115582 Ebertowski 2003 RM Asteraceae Iva axillaris Pursh RM-14502 Peter J. Ebertowski 4262 4 6 2003 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: ridge S and E of Patrick Creek and Thornton on County Road 32, ca 7 air mi NW of Upton; ca 13 air mi SE of Moorcroft. Sagebrush grassland with rocky clay patches. 4340 4500 ft. 44.1464° N, 104.7314° W T48N R66W S12 SW1/4 44.1464 -104.7314 Flowering N N 12 RM 118196 Ebertowski 2003 RM Asteraceae Iva axillaris Pursh RM-14564 Peter J. Ebertowski 6866 18 7 2003 U.S.A. Wyoming Niobrara Thunder Basin National Grassland and Vicinity: Lance Creek, 0.5 mi S of confluence with Greasewood Creek on Greasewood or County Road 10, ca 37 air mi N of Lusk; ca 39 air mi SSW of Newcastle. Roadside on floodplain with open canopy of cottonwoods. 3790 ft. 43.2953° N, 104.3733° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T38N R63W S1 SW1/4 43.2953 -104.3733 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 13 RM 118315 Ebertowski 2003 RM Asteraceae Iva axillaris Pursh RM-14567 Peter J. Ebertowski 6985 18 7 2003 U.S.A. Wyoming Niobrara Thunder Basin National Grassland and Vicinity: grassland ridge separating South Cottonwood and North Oat creeks, on Boner or County Road 18, ca 50 air mi S of Newcastle; ca 29 air mi NE of Lusk. Grassland with clayey soils. 4300 4440 ft. 43.1087° N, 104.172° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R61W S10 SE1/4 43.1087 -104.172 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 14 RM 118492 Ebertowski 2003 RM Asteraceae Iva axillaris Pursh RM-14572 Peter J. Ebertowski 7162 25 7 2003 U.S.A. Wyoming Crook Thunder Basin National Grassland and Vicinity: Duck Creek, on U.S. Hwy 14, ca 3 air mi NE of Moorcroft; ca 22 air mi E of Gillette. Creek bank lined with snowberry. 4120 4140 ft. 44.314° N, 104.9127° W T50N R67W S16 W1/2 44.314 -104.9127 Vegetative N N 15 RM 119276 Ebertowski 2003 RM Asteraceae Iva axillaris Pursh RM-14591 Peter J. Ebertowski 7945 9 8 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: Porcupine Creek, on two-track off Matheson or County Road 70, ca 13 air mi SE of Wright; ca 49 air mi S of Gillette. Creek bank. 4740 4770 ft. 43.6009° N, 105.3691° W T42N R71W S22 South1/4 43.6009 -105.3691 Fruiting N N 16 RM 130554 Evert 2004 RM 913400 RM0066162 Asteraceae Iva axillaris Pursh RM-15080 Erwin F. Evert 40788 11 6 2004 U.S.A. Wyoming Big Horn Bighorn Basin: along Dry Creek 0-1/3 mi E of Wyo Hwy 32, 0.5 mi N of U.S. Hwy 14. Weedy riparian area with Salix exigua, Elaeagnus angustifolia, Sporobolus airoides, and in wetter areas Typha latifolia. 4270 ft. T52N R96W S5 NW1/4 N RM0066162 N 17 RM 130642 Evert 2004 RM 913476 RM0066473 Asteraceae Iva axillaris Pursh RM-15086 Erwin F. Evert 40874 18 6 2004 U.S.A. Wyoming Big Horn Bighorn Basin: along Little Dry Creek Road 3/4 mi E of Wyo Hwy 32, 5 mi N of U.S. Hwy 14, 20 mi W of Greybull. In and around dry reservoir with Scirpus validus, Typha latifolia, and Tamarix chinensis. 4590 ft. T53N R96W S18 N RM0066473 N 18 RM 130951 Evert 2005 RM 912774 RM0068589 Asteraceae Iva axillaris Pursh RM-15127 Erwin F. Evert 41182 5 6 2005 U.S.A. Wyoming Big Horn Bighorn Basin: ca 1/3 mi W of Wyo Hwy 32 and 1/4 mi W of Coon Creek. Around small reservoir with Tamarix chinensis, Salix exigua, and Iva axillaris. 4460 ft. T54N R97W S34; also S35 Buds N RM0068589 N 19 RM 138521 Evert 1990 RM 618837 RM0304780 Asteraceae Iva axillaris Pursh RM-15741 Erwin F. Evert 18654 8 6 1990 U.S.A. Wyoming Park [location and coordinates withheld] Gully bottom along irrigation runoff channel with Cirsium arvense, Carex lanuginosa, Poa pratensis, Smilacina stellata, and Elaeagnus angustifolia. 4680 ft. N RM0304780 N 20 RM 138999 Evert 1990 RM 619435 RM0304779 Asteraceae Iva axillaris Pursh RM-15781 Erwin F. Evert 19235 26 6 1990 U.S.A. Wyoming Park Bighorn Basin: around the western most of the Newton Lakes, ca 4 mi NW of Cody. Wet soil along lake margin with Scirpus acutus, Hordeum jubatum, Scirpus maritimus var. paludosus and Potentilla paradoxa. 5221 ft. 44.5428° N, 109.1285° W T53N R102W S27 44.5428 -109.1285 N RM0304779 N 21 RM 144679 Evert 1993 RM Asteraceae Iva axillaris Pursh RM-16072 Erwin F. Evert 24941 13 6 1993 U.S.A. Montana Carbon [location and coordinates withheld] Marsh immediately west of highway with Juncus balticus, Carex praegracilis, and Triglochin. N N 22 RM 146260 Evert 1994 RM 780370 RM0103713 Asteraceae Iva axillaris Pursh RM-16157 Erwin F. Evert 26644 5 6 1994 U.S.A. Montana Carbon Shupak Pond, ca 6 mi NNW of Belfry. Disturbed sagebrush-grassland S of pond with Erigeron pumilus, Alyssum desertorum, Lappula redowskii, and Bromus tectorum. 3900 ft. 45.2262° N, 109.0364° W T7S R22E S16 SW1/4 45.2262 -109.0364 Buds N RM0103713 N 23 RM 150394 Evert 1996 RM 788199 Asteraceae Iva axillaris Pursh RM-16331 Erwin F. Evert 30778 4 6 1996 U.S.A. Montana Carbon Ridge 2.5 mi SW of Fromberg and 3/4 mi W of U.S. Highway 310. Along irrigation ditch with Equisetum arvense, Iva axillaris, and Alopecurus arundinaceus. 3775 ft. 45.3559° N, 108.9352° W; uncertainty 1 mi. T5S R23E S31 45.3559 -108.9352 1 mi. Flowering and Fruiting N N 24 RM 152665 Evert 1997 RM 818471 rm0023891 Asteraceae Iva axillaris Pursh RM-16435 Erwin F. Evert 33064 21 6 1997 U.S.A. Wyoming Hot Springs Bighorn Basin: ridge and sandstone outcroppings N of Upper Cottonwood Creek Road, ca 28 mi NW of Thermopolis. Sagebrush-grassland with Bouteloua gracilis, Bromus tectorum, and Sarcobatus vermiculatus. 5200 ft. 43.8211° N, 108.52° W; uncertainty 1 mi. T45N R97W S32 43.8211 -108.52 1 mi. Vegetative N RM0023891 N 25 RM 152848 Evert 1997 RM 819715 rm0023846 Asteraceae Iva axillaris Pursh RM-16442 Erwin F. Evert 33251 22 6 1997 U.S.A. Wyoming Hot Springs Bighorn Basin: Public Fishing Access Site along the west side of the Big Horn River, ca 4 mi N of Thermopolis. Weedy, riparian area with Elaeagnus angustifolia, Bromus tectorum, Sporobolus airoides, and Alyssum desertorum. 4250 ft. T43N R94W S17 Flowering and Fruiting N RM0023846 N 26 RM 152894 Evert 1997 RM 818716 RM0024367 Asteraceae Iva axillaris Pursh RM-16443 Erwin F. Evert 33297 22 6 1997 U.S.A. Wyoming Hot Springs Bighorn Basin: Public Fishing Access Site along the east side of the Big Horn River, just NE of Lucerne, 7 mi N of Thermopolis. Weedy, riparian area in sandy soil with Bromus tectorum, Malcolmia africana, Sporobolus airoides, and Centaurea repens. 4200 ft. T44N R94W S28 Flowering and Fruiting N RM0024367 N 27 RM 154094 Evert 1997 RM 819961 RM0016258 Asteraceae Iva axillaris Pursh RM-16486 Erwin F. Evert 34599 6 8 1997 U.S.A. Montana Carbon East Bridger, along Burlington Northern tracks E of town. Disturbed area around grain elevators with Distichlis stricta, Bromus tectorum, and Kochia scoparia. 3630 ft. T6S R23E S22 Flowering and Fruiting N RM0016258 N 28 RM 154665 Evert 1998 RM 820312 RM0020539 Asteraceae Iva axillaris Pursh RM-16512 Erwin F. Evert 35186 13 6 1998 U.S.A. Wyoming Hot Springs Bighorn Basin: along the railroad tracks at Lucerne, 6 mi N of Thermopolis. With Distichlis stricta, Sisymbrium altissimum, and Kochia scoparia. 4350 ft. 43.7348° N, 108.166° W; uncertainty 1 mi. T44N R94W S32 43.7348 -108.166 1 mi. Flowering and Fruiting N RM0020539 N 29 RM 160785 Flaig 2003 RM 794952 Asteraceae Iva axillaris Pursh RM-16774 Jeanette Flaig 369 Cindy Villa and Mike Wisdom 16 7 2003 U.S.A. Colorado Rio Grande [location and coordinates withheld] Pinyon pine/juniper woodland. 7964 ft. Flowering and Fruiting N N 30 RM 183443 Welp 1994 673286 RM0304696 Asteraceae Iva axillaris Pursh RM-52 B. E. Nelson 30993 Laura Welp 3 6 1994 U.S.A. Wyoming Carbon Great Divide Basin Area: Great Divide Basin: Separation Creek along Buzzard Road on Separation Flats, NE of Rendle Point, ca 16 air mi NNW of Rawlins. Clay flats above creek. 6440 6450 ft. 42.0222° N, 107.3011° W T24N R88W S26 SE1/4 42.0222 -107.3011 N N Flowering N RM0304696 N 31 RM 187808 Welp 1994 673284 RM0304698 Asteraceae Iva axillaris Pursh RM-17646 Ronald L. Hartman 45870 Laura Welp 31 5 1994 U.S.A. Wyoming Sweetwater [location and coordinates withheld] Stabilized sand dunes and adjacent pond. 6700 ft. Flowering and Fruiting N RM0304698 N 32 RM 187868 Welp 1994 673285 RM0304697 Asteraceae Iva axillaris Pursh RM-17647 Ronald L. Hartman 45930 20 6 1994 U.S.A. Wyoming Carbon [location and coordinates withheld] Sagebrush slopes, area beneath snow fence, and shale and sandstone outcrops. 6800 6950 ft. Fruiting N RM0304697 N 33 RM 188019 Welp 1994 673283 RM0304699 Asteraceae Iva axillaris Pursh RM-17650 Ronald L. Hartman 46080 21 6 1994 U.S.A. Wyoming Carbon Great Divide Basin Area: Great Divide Basin: Willow Hill area, ca 13 air mi NW of Rawlins. Limestone and sandstone outcrops, sandy and clay slopes with stream and pond below. 6900 7100 ft. 41° 57' 57" N, 107° 20' 14" W T23N R88W S16 SW1/4; also SE1/4 S17, NE1/4 S20; also NW1/4 S21 41.965833 -107.337222 Flowering and Fruiting N RM0304699 N 34 RM 189774 Welp 1995 674315 RM0304775 Asteraceae Iva axillaris Pursh RM-17718 Laura Welp 5801 30 6 1995 U.S.A. Wyoming Sweetwater Great Divide Basin Area: Great Divide Basin: Buffalo Hump, ca 8 air mi SW of Bastard Butte; ca 10 air mi NE of The Pinnacles. Partially vegetated south facing slope with grasses and scattered sagebrush; fine soil. 6850 6910 ft. 42.0975° N, 108.5072° W T25N R98W S34 42.0975 -108.5072 Flowering N RM0304775 N 35 RM 190531 Welp 1995 674314 RM0304776 Asteraceae Iva axillaris Pursh RM-17735 Laura Welp 6549 21 7 1995 U.S.A. Wyoming Carbon Great Divide Basin Area: Great Divide Basin: flat near Riddle Creek, ca 5.5 air mi S of Ferris; ca 3 air mi N of Windy Ridge. Low flat at base of sand dunes; clay soil with sand. 42.1369° N, 107.1431° W T25N R86W S17 42.1369 -107.1431 Flowering N RM0304776 N 36 RM 190841 Welp 1995 674313 RM0304777 Asteraceae Iva axillaris Pursh RM-17750 Laura Welp 6855 25 7 1995 U.S.A. Wyoming Carbon [location and coordinates withheld] Shallow lake with dense grasses; clay soil with sand. 6555 ft. Flowering and Fruiting N RM0304777 N 37 RM 191136 Welp 1995 674312 RM0304695 Asteraceae Iva axillaris Pursh RM-17764 Laura Welp 7143 3 8 1995 U.S.A. Wyoming Fremont Great Divide Basin Area: Green Mountain: ca 5.5 air mi SE of Jeffrey City; ca 9 air mi NE of Crooks Peak. Moist narrow draw with grasses in sandstone hills. 6400 6500 ft. 42.4411° N, 107.7822° W T29N R91W S31 NE1/4 42.4411 -107.7822 Flowering and Fruiting N RM0304695 N 38 RM 220480 Handley 1999 RM Asteraceae Iva axillaris Pursh RM-20035 Ronald L. Hartman 64551 Joy Handley 5 6 1999 U.S.A. Idaho Washington Payette National Forest and Vicinity: Raft Creek and Snake River Very weedy area along river and creek, and on shaly slopes. 2100 3350 ft. 44.607° N, 117.0692° W T15N R6W S31 South1/2; S1/2 air mi and ENE 3 trail miles also SW1/4 S28, South1/4 S29, NW1/4 S32; also T14N R6W S6 NW1/4 44.607 -117.0692 Flowering N N 39 RM 229072 So Salt River Range Asteraceae Iva axillaris Pursh RM-20431 Thomas Cramer 3806 14 8 1994 U.S.A. Wyoming Lincoln [location and coordinates withheld] Reservoir edge, meadows, and sagebrush. 7250 ft. Flowering N N 40 RM 229307 So Salt River Range RM Asteraceae Iva axillaris Pursh RM-20442 Thomas Cramer 4576 Ronald L. Hartman 23 8 1994 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Twin Creek, ca 3.5 air mi W of Nugget. Creek edges in ten foot deep creek cut through sagebrush surroundings. 6400 ft. 41.8078° N, 110.8956° W T21N R119W S11 NE1/4; also SE1/4 S2 41.8078 -110.8956 Flowering N N 41 RM 229389 So Salt River Range RM Asteraceae Iva axillaris Pursh RM-20446 Thomas Cramer 4658 Ronald L. Hartman 23 8 1994 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: ca 2 air mi E of Leefe. Ditchsides and dry reservoir in surrounding sagebrush. 6280 ft. 41.8078° N, 110.9925° W; uncertainty 1 mi. T21N R120W S12 S1/2 41.8078 -110.9925 1 mi. Flowering N N 42 RM 229422 So Salt River Range RM Asteraceae Iva axillaris Pursh RM-20447 Thomas Cramer 4692 Ronald L. Hartman 23 8 1994 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Hams Fork, ca 2.5 air mi S of Kemmerer. Riverside meadows, willows, and sagebrush. 6850 ft. 41.7531° N, 110.5286° W T21N R116W S36 NW1/4 41.7531 -110.5286 1 mi. Flowering N N 43 RM 230017 So Salt River Range RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Thomas Cramer. RM-20466 B. E. Nelson 36526 C. H. Refsdal 8 7 1995 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Snow Hollow, ca 1.5 air mi E of Idaho, ca 5.5 air mi SW of Cokeville; ca 29 air mi NW of Kemmerer. Heavily grazed meadow in the canyon bottom. 6800 6900 ft. 42.0157° N, 111.0146° W T24N R120W S35 NW1/4 42.0157 -111.0146 1 mi. Flowering N N 44 RM 230191 So Salt River Range RM Asteraceae Iva axillaris Pursh RM-20471 Thomas Cramer 10018 Jane T. Kellett 30 7 1995 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Underwood Canyon, ca 8 air mi SE of Cokeville. Creekside willows and meadows with sagebrush edges. 7200 7400 ft. 42.0008° N, 110.8601° W T23N R118W S6 NE1/4 42.0008 -110.8601 N N Flowering N N 45 RM 247631 Kostel 2004 RM Asteraceae Iva axillaris Pursh RM-21601 Grace M. Kostel 1551 7 6 2004 U.S.A. Nebraska Sioux Oglala National Grassland and Vicinity: ca 22-22.5 air mi NNW of Crawford and 2 mi E of NE Hwy 71 and NE Hwy 2. In alkaline draw and adjacent slopes of clay soils. 3650 3700 ft. 42° 59.75' N, 103° 34.55' W; GPS Reading T35N R53W S21 N1/2 42.995833 -103.575833 GPS Reading Flowering N N 46 RM 249071 Kostel 2004 RM Asteraceae Iva axillaris Pursh RM-21645 Grace M. Kostel 2852 25 6 2004 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 20 mi SSE of Hermosa, next to the Cheyenne River. In sandy soil on river banks. 2750 ft. 43° 34.03' N, 103° 3.36' W; GPS Reading T5S R9E S33 43.567167 -103.056 GPS Reading Flowering N N 47 RM 250546 Kostel 2004 RM Asteraceae Iva axillaris Pursh RM-21696 Grace M. Kostel 4189 26 7 2004 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 22 air mi SE of Hermosa on the Cheyenne River. On west bank of river in sand soil. 2600 ft. 43.5158° N, 103.0557° W; GPS Reading T4S R11E S21 43.5158 -103.0557 GPS Reading Flowering N N 48 RM 250844 Kostel 2004 RM Asteraceae Iva axillaris Pursh RM-21707 Grace M. Kostel 446 B. E. Nelson 21 5 2004 U.S.A. South Dakota Fall River Buffalo Gap National Grassland and Vicinity: S of U.S. Hwy 18, ca 5 air mi WSW of Edgemont. In wide draw bottom of Artemisia tridentata shrubland and grassland. 3250 ft. 43.2895° N, 103.9596° W to 43.2842° N, 103.9604° W; GPS Reading T9S R1E S12 E1/2 43.2895 -103.9596 GPS Reading Flowering N N 49 RM 251062 Kostel 2004 RM Asteraceae Iva axillaris Pursh RM-21712 Grace M. Kostel 4657 15 10 2003 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 22 air mi ENE of Hermosa and 1 mi W of Swinehart Hill on Rapid Creek. On banks of creek. 2600 ft. 43° 55.25' N, 102° 45.4' W; GPS Reading T1S R11E S35 N1/2 43.920833 -102.756667 GPS Reading Flowering and Fruiting N N 50 RM 251113 Kostel 2004 RM Asteraceae Iva axillaris Pursh RM-21713 Grace M. Kostel 4703 13 10 2003 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 25 air mi ENE of Hermosa and 3 mi E of Swinehart Hill near the Cheyenne River. Floodplain with clay and rock and sand soil; area is infested with Tamarisk seedlings and young trees to 1.5" dbh. 3100 ft. 43.8941° N, 102.681° W; GPS Reading T2S R12E S9 43.8941 -102.681 GPS Reading Flowering and Fruiting N N 51 RM 251129 Kostel 2004 RM Asteraceae Iva axillaris Pursh RM-21714 Grace M. Kostel 4715b 13 10 2003 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 15.5-16 air mi SSE of Hermosa along French Creek. Creek banks with moist clay and silt soils. 3050 ft. 43.6377° N, 103.0302° W; GPS Reading T5S R9E S9 NE1/4 43.6377 -103.0302 GPS Reading Flowering N N 52 RM 256011 Kostel 2005 RM Asteraceae Iva axillaris Pursh RM-21939 Grace M. Kostel 8947 20 7 2005 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 19-19.5 air mi E of Fairburn, Battle Creek. In and along shores of creek, soils are wet clay and clay with gravel sediments. 2625 ft. 43° 41.364' N, 102° 49.067' W; GPS Reading T4S R11E S21 NW1/4; also S20 43.6894 -102.817783 GPS Reading Flowering N N 53 RM 256020 Kostel 2005 RM Asteraceae Iva axillaris Pursh RM-21940 Grace M. Kostel 8956 20 7 2005 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 1 air mi NW of Redshirt and ca 2 air mi due W of County Road 40, Cheyenne River. At the shores of river, soils are gravel and sand. 2675 ft. 43° 40.327' N, 102° 54.664' W; GPS Reading T4S R10E S27 43.672117 -102.911067 GPS Reading Flowering and Fruiting N N 54 RM 256651 Kostel 2005 RM Asteraceae Iva axillaris Pursh RM-21968 Grace M. Kostel 9585 7 8 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 11.5-12 air mi ESE of Farmingdale and adjacent to west bank of Cheyenne River. In an abandoned channel of river, soil of clay muck.. 2450 ft. 43° 53.909' N, 102° 40.712' W; GPS Reading T2S R12E S9 NE1/4 43.898483 -102.678533 GPS Reading Flowering and Fruiting N N 55 RM 256674 Kostel 2005 RM Asteraceae Iva axillaris Pursh RM-21969 Grace M. Kostel 9608 7 8 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 9 air mi SE of Farmingdale in Cole Draw. Soils are shale and silt. 2560 ft. 43° 52.86' N, 102° 43.777' W; GPS Reading T2S R12E S18 NW1/4 43.881 -102.729617 GPS Reading Flowering and Fruiting N N 56 RM 272439 Larson 2006 RM 950267 RM0155647 Asteraceae Iva axillaris Pursh RM-22435 Ronald L. Hartman 83479 16 8 2006 U.S.A. New Mexico Taos Carson National Forest and Vicinity: cut and fill along old Chili Line Railroad Grade and adjacent roadside along U.S. 285. Disturbed areas. 8200 ft. 36.9033° N, 105.9744° W to 36.8977° N, 105.9719° W; uncertainty 0.25 mi. T31N R9E S22 S1/8; also N1/4 S27 36.9033 -105.9744 0 mi. Flowering and Fruiting N RM0155647 N 57 RM 273109 Lum 2001 RM 802173 RM0096126 Asteraceae Iva axillaris Pursh RM-22456 B. E. Nelson 52628 Luanne Lum 10 6 2001 U.S.A. Wyoming Big Horn Bighorn Basin: along Lane 42 ca 3 air mi N of Sheep Mountain and ca 0.3 mi S of the Greybull River, ca 4 air mi S of Burlington; ca 19.5 air mi W of Basin. Roadside on wooded clay flats with irrigation ditch. 4400 ft. 44.3786° N, 108.4199° W; uncertainty 1 mi. T51N R96W S20 N1/4 44.3786 -108.4199 1 mi. Flowering N RM0096126 N 58 RM 273177 Lum 2001 RM 802172 RM0096125 Asteraceae Iva axillaris Pursh RM-22458 B. E. Nelson 52695 12 6 2001 U.S.A. Wyoming Washakie Bighorn Basin: along Fifteen Mile or BLM Road 1429, ca 1 air mi W of North Fork Fifteen Mile Creek, ca 14.5 air mi NW of Worland. Dry flats adjacent to reservoir. 4320 4340 ft. 44.1167° N, 108.1993° W; uncertainty 1 mi. T48N R95W S24 NW1/4; also NE1/4 S23 44.1167 -108.1993 1 mi. Flowering and Fruiting N RM0096125 N 59 RM 273235 Lum 2001 RM 802171 RM0096124 Asteraceae Iva axillaris Pursh RM-22459 B. E. Nelson 52753 12 6 2001 U.S.A. Wyoming Washakie Bighorn Basin: Flume Reservoir on a tributary of Wildcat Gulch, along BLM Road 1406, ca 4 air mi SE of Neiber; ca 9 air mi SSW of Worland. Clay flats around the reservoir. 4340 4380 ft. 43.899° N, 108.0062° W; uncertainty 1 mi. T45N R93W S3 SE1/4; also NE1/4 S10 43.899 -108.0062 1 mi. Flowering and Fruiting N RM0096124 N 60 RM 273606 Lum 2001 RM 802174 RM0096127 Asteraceae Iva axillaris Pursh RM-22480 Luanne Lum 150 18 6 2001 U.S.A. Wyoming Hot Springs Bighorn Basin: along County Road 26, ca 5 air mi N of Thermopolis. Juniper woodland. 4400 4500 ft. 43.706° N, 108.2058° W; uncertainty 0.5 mi. T43N R95W S12 SW1/4 43.706 -108.2058 1 mi. Flowering and Fruiting N RM0096127 N 61 RM 274546 Lum 2001 RM 802175 RM0096128 Asteraceae Iva axillaris Pursh RM-22462 Luanne Lum 97 15 6 2001 U.S.A. Wyoming Hot Springs Bighorn Basin: along County Road 4, ca 4 air mi NE of Thermopolis, E of the Big Horn River. Riparian with Populus (cottonwood) and Salix. 4328 4475 ft. 43.6916° N, 108.1461° W; uncertainty 0.5 mi. T43N R94W S16 NW1/4 43.6916 -108.1461 1 mi. Flowering N RM0096128 N 62 RM 274754 Lum 2002 RM 933600 RM0097990 Asteraceae Iva axillaris Pursh RM-22533 B. E. Nelson 57573 16 7 2002 U.S.A. Wyoming Park Bighorn Basin: along Fifteenmile Creek at Fifteenmile Creek or BLM Road 1429 crossing, ca 3 air mi W of Dead Indian Hill, ca 14 air mi E of Meeteetse. Silt/sand or cobble bars, banks of stream channel, and sandy flats with mixed species cottonwood woodland. 4880 ft. 44.1905° N, 108.6015° W; uncertainty 0.5 mi. T49N R98W S26 NE1/4 44.1905 -108.6015 1 mi. Flowering and Fruiting N RM0097990 N 63 RM 274818 Lum 2002 RM 933599 RM0097989 Asteraceae Iva axillaris Pursh RM-22536 B. E. Nelson 57637 18 7 2002 U.S.A. Wyoming Big Horn Bighorn Basin: Montgomery Draw Wetland Protection Project ca 1.5 air mi N of Fivemile Creek, ca 7 air mi SW of Manderson; ca 11.5 air mi S of Basin. Clay slopes and flats adjacent to the reservoir area, with Atriplex and Artemisia. 4250 ft. 44.2194° N, 108.077° W; uncertainty 0.5 mi. T49N R93W S18 SE1/4 44.2194 -108.077 1 mi. Flowering and Fruiting N RM0097989 N 64 RM 274880 Lum 2002 RM 933598 RM0097988 Asteraceae Iva axillaris Pursh RM-22539 B. E. Nelson 57699 18 7 2002 U.S.A. Wyoming Big Horn Bighorn Basin: at White Reservoir along White Gulch, ca 0.5 air mi W of Dorsey Creek and ca 1.5 mi S of the Greybull River, ca 4.5 air mi ESE of Otto; ca 7 air mi W of Basin. Muddy to dry flats adjacent to the reservoir. 4030 ft. 44.3931° N, 108.1778° W; uncertainty 0.5 mi. T51N R94W S17 SW1/4 44.3931 -108.1778 1 mi. Flowering and Fruiting N RM0097988 N 65 RM 274933 Lum 2002 RM 933597 RM0097987 Asteraceae Iva axillaris Pursh RM-22540 B. E. Nelson 57752 18 7 2002 U.S.A. Wyoming Big Horn Bighorn Basin: along County Lane 43 and along the Greybull River, ca 2 air mi SE of Otto; ca 10 air mi W of Basin. Open flats. 4080 4100 ft. 44.3786° N, 108.2384° W; uncertainty 0.5 mi. T51N R95W S23 NE1/4 44.3786 -108.2384 1 mi. Flowering and Fruiting N RM0097987 N 66 RM 275087 Lum 2002 RM 933596 RM0097986 Asteraceae Iva axillaris Pursh RM-22550 B. E. Nelson 57905 23 7 2002 U.S.A. Wyoming Big Horn Bighorn Basin: along Nowood River ca 0.5 air mi S of County Road 50, ca 3.5 air mi NW of McDermotts Butte, ca 5.5 air mi E of Manderson; ca 12.5 air mi SE of Basin. River bank thickets. 3990 4040 ft. 44.2628° N, 107.855° W; uncertainty 0.5 mi. T50N R92W S36 NE1/4 44.2628 -107.855 1 mi. Flowering and Fruiting N RM0097986 N 67 RM 275120 Lum 2002 RM 933595 RM0097985 Asteraceae Iva axillaris Pursh RM-22552 B. E. Nelson 57938 23 7 2002 U.S.A. Wyoming Washakie Bighorn Basin: along Lower and Upper Hanover canals at the end of Lane 7, ca 7.5-8 air mi NNE of Worland. Disturbed flats with Siberian elm, Russian olive, cottonwood, and shrubs. 4040 4100 ft. 44.1171° N, 107.8781° W; uncertainty 0.5 mi. T48N R92W S22 SW1/4 44.1171 -107.8781 1 mi. Flowering N RM0097985 N 68 RM 2754 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-318 Amy J. Roderick 2201 12 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: butte S of County Road 324, ca 5 air mi ENE of Sinclair; ca 9.5 air mi E of Rawlins. Dry shale slope dominated by rabbitbrush, sagebrush, snakeweed, and selenium indicators. 6600 ft. 41.8203° N, 107.0317° W T21N R85W S6 41.8203 -107.0317 Flowering and Fruiting N N 69 RM 276667 Lum 2002 RM Asteraceae Iva axillaris Pursh RM-22599 Luanne Lum 2764 16 6 2002 U.S.A. Wyoming Washakie Bighorn Basin: within Worland ca 0.2 air mi E of Wyoming Street at southern edge of agriculture field on Lower Hanover Canal. Irrigation drainage canal. 4070 ft. 44.015° N, 107.9387° W; uncertainty 0.5 mi. T47N R92W S30 NE1/4 44.015 -107.9387 1 mi. Flowering and Fruiting N N 70 RM 276814 Lum 2002 RM 933607 RM0097997 Asteraceae Iva axillaris Pursh RM-22602 Luanne Lum 2908 20 6 2002 U.S.A. Wyoming Big Horn [location and coordinates withheld] Irrigation ditch. 4100 4110 ft. Flowering and Fruiting N RM0097997 N 71 RM 277649 Lum 2002 RM 933606 RM0097996 Asteraceae Iva axillaris Pursh RM-22620 Luanne Lum 3722 6 7 2002 U.S.A. Wyoming Big Horn [location and coordinates withheld] Agricultural ditch. 3927 ft. Fruiting N RM0097996 N 72 RM 2777 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-319 Amy J. Roderick 2222 14 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Teton Reservoir E of Wyo Hwy 71, ca 12.4 air mi S of Rawlins. Riparian area surrounding reservoir. 7000 ft. 41.6061° N, 107.2523° W T19N R88W S24 41.6061 -107.2523 Flowering and Fruiting N N 73 RM 278743 Lum 2002 RM 933594 RM0098025 Asteraceae Iva axillaris Pursh RM-22641 Luanne Lum 4791 Michelle Wilson 23 7 2002 U.S.A. Wyoming Big Horn Bighorn Basin: along Lane 7 and Sage Creek, ca 1.5 air mi E of Deaver and ca 7.8 air mi WNW of Lovell. Riparian and sagebrush. 4000 4040 ft. 44.8933° N, 108.5672° W; uncertainty 0.5 mi. T57N R97W S28 SE1/4 44.8933 -108.5672 1 mi. Buds N RM0098025 N 74 RM 278907 Lum 2002 RM 933605 RM0097995 Asteraceae Iva axillaris Pursh RM-22646 Luanne Lum 4955 29 7 2002 U.S.A. Wyoming Big Horn Bighorn Basin: along Orchard Bench or County Road 1121 and Elk Creek, ca 5 air mi S of Basin. Mixed riparian and sagebrush. 3900 ft. 44.3062° N, 108.0366° W; uncertainty 1 mi. T50N R93W S16 E1/2 44.3062 -108.0366 1 mi. Flowering and Fruiting N RM0097995 N 75 RM 279032 Lum 2002 RM 933604 RM0097994 Asteraceae Iva axillaris Pursh RM-22650 Luanne Lum 5079 30 7 2002 U.S.A. Wyoming Park Bighorn Basin: along Dry Creek at U.S. Hwy 14, 16, & 20 crossing, ca 21 air mi ESE of Cody; ca 29.5 air mi WSW of Greybull. Sagebrush. 4800 4820 ft. 44.4655° N, 108.6418° W; uncertainty 1 mi. T52N R98W S21 SE1/4; also SW1/4 S22 44.4655 -108.6418 1 mi. Flowering and Fruiting N RM0097994 N 76 RM 279049 Lum 2002 RM 933603 RM0097991 Asteraceae Iva axillaris Pursh RM-22652 Luanne Lum 5096 30 7 2002 U.S.A. Wyoming Washakie Bighorn Basin: on Bighorn Canal W of Wyo Hwy 433, ca 8.6 air mi N of Worland. Irrigation canal. 4055 ft. 44.1316° N, 107.9387° W; uncertainty 0.5 mi. T48N R92W S18 SW1/4 44.1316 -107.9387 1 mi. Flowering and Fruiting N RM0097991 N 77 RM 279397 Lum 2002 RM 933602 RM0097993 Asteraceae Iva axillaris Pursh RM-22660 Luanne Lum 5435 5 8 2002 U.S.A. Wyoming Big Horn Bighorn Basin: at Five Springs Creek, ca 16 air mi ESE of Lovell. Sagebrush on sandy soil. 4275 4280 ft. 44.7889° N, 108.096° W; uncertainty 1 mi. T56N R93W S31 E1/2; also W1/2 S32 44.7889 -108.096 1 mi. Flowering and Fruiting N RM0097993 N 78 RM 279471 Lum 2002 RM 933601 RM0097992 Asteraceae Iva axillaris Pursh RM-22665 Luanne Lum 5506 8 8 2002 U.S.A. Wyoming Park Bighorn Basin: at Custer Lake W of County Road 3FK in Oregon Basin, ca 10 air mi SE of Cody. Sagebrush on sandy soil. 5170 5180 ft. 44.4365° N, 108.9041° W; uncertainty 0.5 mi. T52N R100W S32 SW1/4 44.4365 -108.9041 1 mi. Fruiting N RM0097992 N 79 RM 2849 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-320 Amy J. Roderick 2288 14 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Kindt Reservioir E of Wyo Hwy 71, ca 14.7 air mi SE of Rawlins; ca 13 air mi S of Sinclair. Dry shores of reservoir lined with Tamarix chinensis. 6800 ft. 41.5916° N, 107.0802° W T19N R86W S28 41.5916 -107.0802 Flowering and Fruiting N N 80 RM 2872 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-324 Amy J. Roderick 2308 14 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Sage Creek W of County Road 401, ca 22 air mi S of Rawlins; ca 19 air mi W of Saratoga. Along creek; surrounded by greasewood, sagebrush, wild rose, and wild licorice. 7100 ft. 41.4758° N, 107.1949° W T17N R87W S4 41.4758 -107.1949 Flowering and Fruiting N N 81 RM 312031 Moore 1995 Asteraceae Iva axillaris Pursh RM-24808 Lynn Marie Moore 4719 2 6 1995 U.S.A. Colorado Montezuma Upper Dolores River Drainage and Adjacent Areas: ca 14 air mi NW of Cortez in Sandstone Canyon, County Road W. Pinyon-juniper woodland, Purshia, Artemesia, and rabbitbrush on west-face of canyon and riparian area along creek. 6000 6600 ft. 37.4937° N, 108.8397° W T37N R18W S4; also S8 37.4937 -108.8397 Flowering N N 82 RM 3136 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-337 Amy J. Roderick 2545 20 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: First Sand Creek and ridge to west, ca 7.2 air mi N of Elk Mountain townsite; ca 15.2 air mi SE of Hanna. Dry to muddy creek bed and embankments. 7100 ft. 41.7912° N, 106.4109° W T21N R80W S16 41.7912 -106.4109 Flowering and Fruiting N N 83 RM 318236 Newton 2005 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Rachel Newton. RM-24965 B. E. Nelson 64971 Rob Massatti and Rachel Newton 8 6 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Fivemile Creek Bay of Boysen Reservoir and along Fivemile Creek, ca 4.5 air mi W of Shoshoni; ca 17.5 air mi NE of Riverton. Along the edge of the reservoir. 4720 4760 ft. 43.2388° N, 108.1922° W; GPS Reading T3N R6E S17 N1/2 43.2388 -108.1922 NAD 83 GPS Reading Flowering N N 84 RM 318321 Newton 2005 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Rachel Newton. RM-24968 B. E. Nelson 65182 13 6 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Antelope Flats Wetland, between Muddy and Fivemile creeks, ca 15.5-16 air mi N of Riverton. Sagebrush flats adjacent to the reservoir. 5200 ft. 43.2524° N, 108.4493° W; GPS Reading T3N R4E S7 43.2524 -108.4493 NAD 83 GPS Reading Flowering N N 85 RM 318378 Newton 2005 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Rachel Newton. RM-24969 B. E. Nelson 65239 13 6 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Middle Reservoir along Cottonwood Drain on Sand Mesa, ca 12.5 air mi NW of Shoshoni; ca 20.5 air mi N of Riverton. Dryer areas around the reservoir. 4940 4950 ft. 43.3204° N, 108.3261° W; GPS Reading T4N R5E S18 South1/2 43.3204 -108.3261 NAD 83 GPS Reading Flowering N N 86 RM 318395 Newton 2005 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Rachel Newton. RM-24970 B. E. Nelson 65256 13 6 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: along Muddy Creek ca 3 air mi WSW of Lake Cameahwait (Bass Lake), ca 10.5 air mi WNW of Shoshoni; ca 18 air mi N of Riverton. Bench along the creek with Russian olive and snowberry. 4820 ft. 43.2825° N, 108.307° W; GPS Reading T4N R5E S32 NE1/4 43.2825 -108.307 NAD 83 GPS Reading Flowering N N 87 RM 318428 Newton 2005 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Rachel Newton. RM-24971 B. E. Nelson 65390 17 6 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Carr Reservoir on Twin Creek along Twin Creek or County Road 19, ca 17 air mi SE of Lander. Edge of reservoir and mud flats above. 5850 5900 ft. 42.6693° N, 108.5002° W; GPS Reading T31N R98W S13 NW1/4 of NW1/4 42.6693 -108.5002 NAD 83 GPS Reading Flowering N N 88 RM 319029 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-24995 Rachel Newton 1396 5 7 2005 U.S.A. Wyoming Lincoln Wetlands and Adjacent Areas: Slate Creek, ca 28 air mi NNE of Kemmerer. Dry creek bed. 6257 ft. 41.9894° N, 110.0873° W; GPS Reading T23N R112W S11 NW1/4 41.9894 -110.0873 NAD 83 GPS Reading Flowering N N 89 RM 319075 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-24998 Rachel Newton 1437 5 7 2005 U.S.A. Wyoming Lincoln Wetlands and Adjacent Areas: Hams Fork, ca 4 air mi SE of Kemmerer. Moist banks and flood plain. 6619 ft. 41.751° N, 110.4843° W; GPS Reading T21N R115W S32 SE1/4 of SE1/4 41.751 -110.4843 NAD 83 GPS Reading Flowering N N 90 RM 3191 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-339 Amy J. Roderick 2595 20 7 1997 U.S.A. Wyoming Carbon [location and coordinates withheld] Moist grassy creek bed. 6900 ft. Flowering and Fruiting N N 91 RM 319148 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25001 Rachel Newton 1502 6 7 2005 U.S.A. Wyoming Sweetwater Wetlands and Adjacent Areas: Green River, ca 25 air mi NW of Rock Springs. Dry uplands. 6243 ft. 41.7046° N, 109.7062° W; GPS Reading T20N R109W S22 NW1/4 41.7046 -109.7062 NAD 83 GPS Reading Flowering and Fruiting N N 92 RM 319247 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25006 Rachel Newton 1591 7 7 2005 U.S.A. Wyoming Sweetwater Wetlands and Adjacent Areas: South Buckboard Recreation Site, Flaming Gorge Reservoir, ca 18 air mi SSE of Green River. Dry rocky shores. 5980 ft. 41.2376° N, 109.6139° W; GPS Reading T15N R108W S33 NW1/4 41.2376 -109.6139 NAD 83 GPS Reading Flowering N N 93 RM 319284 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25009 Rachel Newton 1624 7 7 2005 U.S.A. Wyoming Sweetwater Wetlands and Adjacent Areas: upper Marsh Creek, ca 24 air mi S of Green River. Moist banks. 6077 ft. 41.1575° N, 109.503° W; GPS Reading T14N R107W S32 N1/2 41.1575 -109.503 NAD 83 GPS Reading Flowering N N 94 RM 319431 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25015 Rachel Newton 1756 10 7 2005 U.S.A. Wyoming Carbon Wetlands and Adjacent Areas: Pass Creek, ca 33 air mi WSW of Medicine Bow. Dry creek banks. 6563 ft. 41.7091° N, 106.0385° W; GPS Reading T20N R84W S14 NW1/4 of NW1/4 41.7091 -106.0385 NAD 83 GPS Reading Flowering N N 95 RM 319453 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25017 Rachel Newton 1776 10 7 2005 U.S.A. Wyoming Carbon Wetlands and Adjacent Areas: North Platte River, ca 12 air mi NE of Rawlins. Moist banks and flood plains. 6385 ft. 41.8825° N, 107.0662° W; GPS Reading T22N R86W S12 SW1/4 of SW1/4 41.8825 -107.0662 NAD 83 GPS Reading Flowering N N 96 RM 319519 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25021 Rachel Newton 1835 11 7 2005 U.S.A. Wyoming Natrona Wetlands and Adjacent Areas: Pathfinder Reservoir, ca 41 air mi SE of Casper. Dry uplands. 5693 ft. 42.5081° N, 107.06° W; GPS Reading T29N R85W S6 SE1/4 42.5081 -107.06 NAD 83 GPS Reading Flowering N N 97 RM 319807 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25044 Rachel Newton 2092 19 7 2005 U.S.A. Wyoming Carbon Wetlands and Adjacent Areas: Muddy Creek, ca 21 air mi N of Baggs. Moderately grazed banks and flood plains. 6307 ft. 41.3253° N, 107.7669° W; GPS Reading T16N R92W S29 SE1/4 of SE1/4 41.3253 -107.7669 NAD 83 GPS Reading Flowering and Fruiting N N 98 RM 319818 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25045 Rachel Newton 2101 19 7 2005 U.S.A. Wyoming Carbon Wetlands and Adjacent Areas: spring-fed creek, ca 15 air mi NE of Baggs. Dry creek bed and banks. 6429 ft. 41.2344° N, 107.5713° W; GPS Reading T15N R90W S30 NW1/4 41.2344 -107.5713 NAD 83 GPS Reading Flowering and Fruiting N N 99 RM 320213 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25065 Rachel Newton 2454 25 7 2005 U.S.A. Wyoming Natrona Wetlands and Adjacent Areas: Edness Kimbell Wilkins State Park: North Platte River, ca 8 air mi E of Casper. Dry uplands. 5179 ft. 42.8583° N, 106.175° W; GPS Reading T33N R78W S2 NW1/4 42.8583 -106.175 NAD 83 GPS Reading Flowering and Fruiting N N 100 RM 320243 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25067 Rachel Newton 2481 25 7 2005 U.S.A. Wyoming Albany Wetlands and Adjacent Areas: flooded highway easement, ca 12 air mi SE of Medicine Bow. Moist uplands. 6854 ft. 41.8194° N, 105.9996° W; GPS Reading T21N R77W S1 NW1/4 41.8194 -105.9996 NAD 83 GPS Reading Flowering and Fruiting N N 101 RM 320285 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25069 Rachel Newton 2519 25 7 2005 U.S.A. Wyoming Converse Wetlands and Adjacent Areas: North Platte River, ca 20 air mi NW of Douglas. Moist banks and flood plains. 5034 ft. 42.8305° N, 105.7935° W; GPS Reading T33N R74W S18 SW1/4 42.8305 -105.7935 NAD 83 GPS Reading Flowering N N 102 RM 320519 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25085 Rachel Newton 2728 29 7 2005 U.S.A. Wyoming Carbon Wetlands and Adjacent Areas: North Platte River, ca 12 air mi NE of Encampment. Dry uplands. 6709 ft. 41.3317° N, 106.7272° W; GPS Reading T16N R83W S28 NW1/4 41.3317 -106.7272 NAD 83 GPS Reading Flowering N N 103 RM 320532 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25082 Rachel Newton 274 15 6 2005 U.S.A. Wyoming Sweetwater Wetlands and Adjacent Areas: Pacific Creek, ca 14 air mi NE of Farson. Sandy banks of creek. 6780 ft. 42.1836° N, 109.2627° W; GPS Reading T26N R104W S30 South1/2 42.1836 -109.2627 NAD 83 GPS Reading Flowering N N 104 RM 320792 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25099 Rachel Newton 2971 3 8 2005 U.S.A. Wyoming Albany Wetlands and Adjacent Areas: Rock Creek, 16 air mi SE of Medicine Bow. Moist banks and flood plains. 6755 ft. 41.7228° N, 106.0047° W; GPS Reading T20N R77W S12 NW1/4 41.7228 -106.0047 NAD 83 GPS Reading Flowering and Fruiting N N 105 RM 320888 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25104 Rachel Newton 3057 4 8 2005 U.S.A. Wyoming Carbon Wetlands and Adjacent Areas: Gooseberry Creek, ca 36 air mi NNE of Rawlins. Dry uplands. 5557 ft. 42.2487° N, 106.8919° W; GPS Reading T26N R84W S4 SE1/4 42.2487 -106.8919 NAD 83 GPS Reading Flowering N N 106 RM 320944 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25106 Rachel Newton 3107 4 8 2005 U.S.A. Wyoming Natrona Wetlands and Adjacent Areas: confluence of Horse Creek and Fish Creek, ca 34 air mi SW of Casper. Dry uplands. 5967 ft. 42.6022° N, 106.9647° W; GPS Reading T30N R85W S1 NE1/4 42.6022 -106.9647 NAD 83 GPS Reading Flowering and Fruiting N N 107 RM 320987 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25110 Rachel Newton 3146 6 8 2005 U.S.A. Wyoming Sweetwater Wetlands and Adjacent Areas: Salt Wells Creek, ca 15 air mi SE of Rock Springs. Dry uplands. 6562 ft. 41.4022° N, 108.9367° W; GPS Reading T17N R102W S32 SW1/4 41.4022 -108.9367 NAD 83 GPS Reading Flowering N N 108 RM 3210 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-340 Amy J. Roderick 2611 20 7 1997 U.S.A. Wyoming Carbon [location and coordinates withheld] Grassy creek bed. 6860 ft. Flowering and Fruiting N N 109 RM 321016 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25112 Rachel Newton 3172 6 8 2005 U.S.A. Wyoming Sweetwater Wetlands and Adjacent Areas: Green River, ca 30 mi NNW of Rock Springs. Moist river banks and exposed bottoms. 6221 ft. 41.7644° N, 109.736° W; GPS Reading T21N R109W S26 SE1/4 41.7644 -109.736 NAD 83 GPS Reading Flowering N N 110 RM 321028 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25113 Rachel Newton 3183 6 8 2005 U.S.A. Wyoming Sweetwater Wetlands and Adjacent Areas: sagebrush wetlands, ca 36 air mi NW of Rock Springs. Dry uplands. 6271 ft. 41.8747° N, 109.804° W; GPS Reading T22N R109W S29 SW1/4 41.8747 -109.804 NAD 83 GPS Reading Flowering N N 111 RM 321060 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25115 Rachel Newton 3211 7 8 2005 U.S.A. Wyoming Sweetwater Wetlands and Adjacent Areas: Green River, ca 45 air mi NW of Rock Springs. Dry uplands. 6170 ft. 41.9241° N, 109.9206° W; GPS Reading T23N R110W S32 SW1/4 of SW1/4 41.9241 -109.9206 NAD 83 GPS Reading Flowering and Fruiting N N 112 RM 321097 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25118 Rachel Newton 3245 7 8 2005 U.S.A. Wyoming Lincoln Wetlands and Adjacent Areas: Hams Fork, ca 8 air mi NW of Kemmerer. Dry rocky uplands. 6966 ft. 41.8829° N, 110.6147° W; GPS Reading T22N R116W S17 SW1/4 41.8829 -110.6147 NAD 83 GPS Reading Flowering and Fruiting N N 113 RM 321149 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25120 Rachel Newton 3291 7 8 2005 U.S.A. Wyoming Uinta Wetlands and Adjacent Areas: Muddy Creek, ca 19 air mi E of Evanston. Dry, rocky uplands. 6755 ft. 41.3005° N, 110.6319° W; GPS Reading T15N R117W S8 NW1/4 of NE1/4 41.3005 -110.6319 NAD 83 GPS Reading Flowering and Fruiting N N 114 RM 321154 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25121 Rachel Newton 3296 7 8 2005 U.S.A. Wyoming Uinta Wetlands and Adjacent Areas: Muddy Creek, ca 11 air mi NW of Lyman. Moist banks and flood plains. 6568 ft. 41.43° N, 110.4555° W; GPS Reading T17N R115W S30 NW1/4 41.43 -110.4555 NAD 83 GPS Reading Flowering N N 115 RM 321176 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25122 Rachel Newton 3315 7 8 2005 U.S.A. Wyoming Uinta Wetlands and Adjacent Areas: Blacks Fork, ca 6 air mi NE of Lyman. Dry, rocky uplands. 6493 ft. 41.3898° N, 110.2114° W; GPS Reading T16N R114W S1 SW1/4 41.3898 -110.2114 NAD 83 GPS Reading Flowering and Fruiting N N 116 RM 321221 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25126 Rachel Newton 3356 10 8 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Crooks Creek, ca 6 air mi S of Jeffrey City. Dry uplands. 6391 ft. 42.4253° N, 107.8496° W; GPS Reading T28N R92W S5 SW1/4 42.4253 -107.8496 NAD 83 GPS Reading Flowering and Fruiting N N 117 RM 321263 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25128 Rachel Newton 3394 10 8 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Sweetwater River, ca 38 air mi SE of Lander. Dry uplands. 6467 ft. 42.5799° N, 108.0773° W; GPS Reading T30N R94W S16 NE1/4 42.5799 -108.0773 NAD 83 GPS Reading Flowering N N 118 RM 321301 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25129 Rachel Newton 3428 10 8 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Carr Reservoir, ca 17 air mi SE of Lander. Dry uplands. 5884 ft. 42.6679° N, 108.4999° W; GPS Reading T31N R98W S13 NW1/4 of NW1/4 42.6679 -108.4999 NAD 83 GPS Reading Flowering and Fruiting N N 119 RM 321324 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25131 Rachel Newton 3449 11 8 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: pond, ca 22 air mi NE of Riverton. Dry uplands. 5355 ft. 43.1931° N, 108.7386° W; GPS Reading T3N R1E S34 SE1/4 of NE1/4 43.1931 -108.7386 NAD 83 GPS Reading Flowering and Fruiting N N 120 RM 321370 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25135 Rachel Newton 3490 11 8 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Middle Reservoir, ca 21 air mi N of Riverton. Along shoreline. 4989 ft. 43.3203° N, 108.3367° W; GPS Reading T4N R5E S18 SW1/4 43.3203 -108.3367 NAD 83 GPS Reading Flowering and Fruiting N N 121 RM 321913 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25161 Rachel Newton 54 10 6 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Beaver Creek, ca 24 air mi SE of Lander. Streamside, flood plains up to ridgetop. 5558 ft. 42.7198° N, 108.3348° W; GPS Reading T32N R96W S29 NE1/4 42.7198 -108.3348 NAD 83 GPS Reading Flowering N N 122 RM 322217 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25175 Rachel Newton 812 22 6 2005 U.S.A. Wyoming Albany Wetlands and Adjacent Areas: Twin Buttes Lake, ca 16 air mi SW of Laramie. Sandy, rocky uplands. 7216 ft. 41.2364° N, 105.8519° W; GPS Reading T15N R75W S30 41.2364 -105.8519 NAD 83 GPS Reading Flowering N N 123 RM 322271 Newton 2005 RM Asteraceae Iva axillaris Pursh RM-25178 Rachel Newton 860 22 6 2005 U.S.A. Wyoming Albany Wetlands and Adjacent Areas: Lake Hattie Reservoir, ca 17 air mi SW of Laramie. Moist clay flood plains. 7257 ft. 41.2385° N, 105.9028° W; GPS Reading T15N R76W S26 W1/2 41.2385 -105.9028 NAD 83 GPS Reading Flowering N N 124 RM 3234 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-342 Amy J. Roderick 2633 20 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Fiddlers Green Reservoir E of County Road 115, ca 6 air mi N of Elk Mountain townsite. Perimeter of reservoir comprised of graminoids and scattered forbs. 7200 ft. 41.7766° N, 106.4109° W T21N R80W S21 SW1/4 41.7766 -106.4109 Flowering and Fruiting N N 125 RM 323641 Newton 2006 RM Asteraceae Iva axillaris Pursh RM-25244 Rachel Newton 5030 17 6 2006 U.S.A. Wyoming Johnson [location and coordinates withheld] Shaded river banks and floodplain. 4387 ft. Flowering and Fruiting N N 126 RM 323881 Newton 2006 RM Asteraceae Iva axillaris Pursh RM-25256 Rachel Newton 5268 23 6 2006 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Boysen Reservoir, ca 3 air mi WNW of Shoshoni. Disturbed sandy, rocky uplands. 4590 ft. 43.24697° N, 108.16121° W; GPS Reading T3N R6E S16 SE1/4 43.24697 -108.16121 NAD 83 GPS Reading Flowering N N 127 RM 323886 Newton 2006 RM Asteraceae Iva axillaris Pursh RM-25257 Rachel Newton 5273 23 6 2006 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Bridger Creek, ca 3 air mi NW of Lysite. Dry rocky uplands. 5159 ft. 43.28963° N, 107.72191° W; GPS Reading T38N R91W S2 NE1/4 of SW1/4 43.28963 -107.72191 NAD 83 GPS Reading Flowering and Fruiting N N 128 RM 324240 Newton 2006 RM Asteraceae Iva axillaris Pursh RM-25269 Rachel Newton 5626 30 6 2006 U.S.A. Wyoming Park Wetlands and Adjacent Areas: Deaver Reservoir, ca 2 air mi NNW of Deaver; ca 12 air mi NE of Powell. Dry sandy uplands. 4443 ft. 44.8987° N, 108.63823° W; GPS Reading T57N R98W S25 N1/2 of NW1/4 44.8987 -108.63823 NAD 83 GPS Reading Flowering and Fruiting N N 129 RM 3347 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-347 Amy J. Roderick 2734 22 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Seminoe Reservoir, ca 6 air mi SE of Seminoe Dam; ca 21.2 air mi NW of Hanna. Sandy embankments of reservoir with tamarix and at the edge of sagebrush/greasewood flats. 6430 ft. 42.1085° N, 106.8318° W T25N R84W S25 42.1085 -106.8318 Flowering and Fruiting N N 130 RM 336170 Porter RM 196597 RM0304556 Asteraceae Iva axillaris Pursh RM-30169 C. L. Porter 3364 24 6 1944 U.S.A. Wyoming Carbon Shirley Basin area: Little Medicine Bow River. Alkali mud along stream course. 42.2539° N, 106.1271° W; NAD 83, uncertainty 3 mi., Digital Map T26N R78W S1 42.2539 -106.1271 NAD 83 3 mi. Digital Map Located at the crossing of Old Casper Medicine Bow Road and the Little Medicine Bow River; west of Slate Draw; geo-locate.org. EL Flowering N RM0304556 N 131 RM 3434 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-349 Amy J. Roderick 2812 28 7 1997 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: Jackson Lake N of Wyo Hwy 220, ca 8.6 air mi NE of Three Forks Junction. Dry saline lake shores dominated by graminoids and bordered by sagebrush and greasewood. 6030 ft. 42.4383° N, 107.3372° W T29N R88W S35 SW1/4 42.4383 -107.3372 Flowering and Fruiting N N 132 RM 3465 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-350 Amy J. Roderick 2840 29 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: tributary of Second Sand Creek, ca 7.6 air mi NE of Elk Mountain townsite; ca 10.4 air mi SW of Medicine Bow townsite. Dry swale with moist patches. 6800 ft. 41.7766° N, 106.3139° W T21N R79W S20 41.7766 -106.3139 Flowering and Fruiting N N 133 RM 348212 Reif 2002 RM 806997 RM0109437 Asteraceae Iva axillaris Pursh RM-32983 Ronald L. Hartman 76412 13 8 2002 U.S.A. New Mexico Rio Arriba Santa Fe National Forest and Vicinity: Jemez Mountains: 6.5 road mi N of Espanola; intersection of U.S. Hwy 285 and NM Hwy 74, to 1 mi SE. Roadside. 5760 ft. 36° 4.624' N, 106° 6.391' W; GPS reading T21N R8E S4; also S9 36.077067 -106.106517 GPS reading Flowering and Fruiting N RM0109437 N 134 RM 3484 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-351 Amy J. Roderick 2858 29 7 1997 U.S.A. Wyoming Carbon [location and coordinates withheld] Dry creek bed. 6980 ft. Flowering and Fruiting N N 135 RM 3529 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-353 Amy J. Roderick 2899 29 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Second Sand Creek, ca 7 air mi NE of Elk Mountain townsite; ca 11 air mi SW of Medicine Bow townsite. Dry creek bottom. 7000 ft. 41.7766° N, 106.3527° W T21N R80W S24 41.7766 -106.3527 Flowering N N 136 RM 3554 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-354 Amy J. Roderick 2920 31 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Shirley Basin Reservoir N of Wyo Hwy 77, ca 25 air mi NW of Medicine Bow townsite. Saline lake shores bordered by rabbitbrush and greasewood. 6980 ft. 42.2385° N, 106.3645° W T26N R80W S12 NW1/4 42.2385 -106.3645 Flowering and Fruiting N N 137 RM 362225 RMHERB1 RM 751348 RM0304561 Asteraceae Iva axillaris Pursh RM-37192 Bonnie Heidel 2507 5 9 2003 U.S.A. Wyoming Goshen Southeastern Plains: Goshen Hole: Fort Laramie National Historic Site: west boundary along Wyo Hwy 160 ca 2.2 air mi WSW of Fort Laramie (town). Valley flats beside highway r-o-w on gravelly sand loam, southeast slope 2%; Elymus smithii herbaceous vegetation; associated with Sporobolus cryptandrus, Opuntia polyacantha, Bromus tectorum, Kochia scoparia. 4250 ft. 42.2048° N, 104.5631° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO! T26N R64W S29 NW1/4 NE1/4 42.2048 -104.5631 NAD 83 700 ft. N N Nat. Geog. TOPO! BEN Common. Vegetative N RM0304561 N 138 RM 371580 Evert 1984 RM 609482 RM0046941 Asteraceae Iva axillaris Pursh RM-41639 Erwin F. Evert 6941 9 7 1984 U.S.A. Wyoming Park North Fork Shoshone River Drainage: Absaroka Mountains: ca 2 mi S of Wapiti, just S of Stonebridge Reservoir. Seepage area just above reservoir. 6300 6400 ft. 44.4356° N, 109.406° W T52N R104W S31 NW1/4 44.4356 -109.406 Flowering and Fruiting N RM0046941 N 139 RM 3737 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-363 Amy J. Roderick 3085 2 8 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: sand dunes W of County Road 351, ca 4.4 air mi SW of Seminoe Dam; ca 23.5 air mi NE of Sinclair. Sand dunes; open areas and knolls of Artemisia cana, Psoralidium lanceolatum, and Chrysothamnus sp. 6000 6580 ft. 42.1085° N, 106.9486° W T25N R85W S25; also S36 42.1085 -106.9486 Flowering and Fruiting N N 140 RM 375902 WYNDD RM 682092 RM0304512 Asteraceae Iva axillaris Pursh RM-18652 George P. Jones 210 21 6 1991 21 Jun1991 U.S.A. Wyoming Natrona North Platte River Valley: South Fork Casper Creek. Herbaceous floodplain community of Elymus smithii and Iva axillaris with patchy shrub cover adjacent to stream on mixed alluvial soil. 5340 ft. 42.8878° N, 106.4089° W; uncertainty 0.25 mi. T34N R80W S26 NW1/4 NW1/4 42.8878 -106.4089 0 mi. Flowering and Fruiting N RM0304512 N 141 RM 37887 Arizona/New Mexico RM 93102 RM0217192 Asteraceae Iva axillaris Pursh RM-11625 Willard N. Clute s.n. 15 7 1920 15-31 Jul 1920 U.S.A. Arizona Coconino Painted Desert near Tuba. Cultivated ground; common. 4800 ft. T32N R11E S28 36.1193 -111.22889 NAD 83 3 mi. Y Y Nat. Geog. TOPO! RCP Collected 15-31 Jul 1920. Flowering and Fruiting N RM0217192 N 142 RM 3801 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-366 Amy J. Roderick 3141 2 8 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Seminoe Reservoir E of County Road 351 on BLM Road 3118, ca 18 air mi NE of Sinclair. Moist sandy road bed dominated by Grindelia squarrosa. 6600 ft. 42.0094° N, 106.8959° W T24N R84W S32 42.0094 -106.8959 Flowering and Fruiting N N 143 RM 3845 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-367 Amy J. Roderick 3181 4 8 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Haines Reservoir and ditch on County Road 640, ca 5.5 air mi SW of Saratoga; ca 14 air mi NW of Encampment. Banks of ditch bordered by willow. 7020 ft. 41.4034° N, 106.889° W T17N R84W S31 E1/2 41.4034 -106.889 Flowering N N 144 RM 384625 WYNDD RM 681779 RM0304506 Asteraceae Iva axillaris Pursh RM-18793 Michele Barlow 193 12 7 1991 U.S.A. Wyoming Natrona Bates Hole: Bolton Creek, ca 3.5 air mi W of Wyo Hwy 487; ca 1.5 air mi NW of Haystack Buttes; ca 18 air mi S of Casper. Populus angustifolia stand along narrow creek channel on mixed alluvium with understory of Elymus trachycaulus, Agrostis stolonifera, and Melilotus officinalis. 5660 ft. 42.5693° N, 106.5095° W; uncertainty 0.25 mi. T30N R81W S14 NW1/4 NE1/4 SE1/4 42.5693 -106.5095 0 mi. Flowering and Fruiting N RM0304506 N 145 RM 384651 WYNDD RM 682111 RM0304511 Asteraceae Iva axillaris Pursh RM-18794 Michele Barlow 240 6 8 1991 U.S.A. Wyoming Natrona North Platte River Valley: east bank of North Platte River, ca 0.1 mi N of confluence of Bates Creek. Shepherdia argentea shrub community parallel to main channel at edge of floodplain and on first terrace with understory of Poa pratensis, Agrostis stolonifera, and Cirsium arvense on cobbles and alluvium. 5240 ft. 42.7004° N, 106.6078° W; uncertainty 0.25 mi. T32N R82W S36 NE1/4 SW1/4 SW1/4 42.7004 -106.6078 0 mi. Fruiting N RM0304511 N 146 RM 384775 WYNDD RM 703745 RM0304510 Asteraceae Iva axillaris Pursh RM-18822 Michele Barlow 79 7 6 1991 U.S.A. Wyoming Platte Southeastern Plains: north bank of the North Platte River (Wyoming Game and Fish Department Rawhide Unit). Populus deltoides community on north side of river with shrubby understory. 4130 ft. 42.1832° N, 104.3136° W; uncertainty 1 mi. T26N R62W S33; also S34 42.1832 -104.3136 1 mi. Flowering and Fruiting N RM0304510 N 147 RM 385851 RMHERB1 RM 726905 RM0304732 Asteraceae Iva axillaris Pursh RM-49382 Patricia P. Douglas 519 B. E. Nelson, C. A. Popolizio, R. M. Smith 22 8 1995 U.S.A. Wyoming Platte Camp Guernsey: mouth of Sawmill Canyon along North Platte River 3.7 km S of Baldy Mountain, ca 2 km NW of Impact Area. Sagebrush grassland sandy slope with Artemisia, Bromus, Heterotheca, and Plantago spp. 1359 m. 507400E, 4692500N Flowering N RM0304732 N 148 RM 3883 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-368 Amy J. Roderick 3215 4 8 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Saratoga Lake E of Wyo Hwy 130, ca 1.2 air mi ENE of Saratoga; ca 18 air mi N of Encampment. Wetlands and disturbed gravelly area surrounding lake. 6775 ft. 41.4758° N, 106.7934° W; uncertainty 1 mi. T17N R84W S1 S1/2 41.4758 -106.7934 1 mi. Fruiting N N 149 RM 389080 RMHERB1 RM 734042 RM0304563 Asteraceae Iva axillaris Pursh RM-51502 Richard W. Scott 9264 16 6 1995 U.S.A. Wyoming Fremont W of Roger's Mtn. Open ridgetops. 5800 ft. T33N R94W S7 Flowering N RM0304563 N 150 RM 389081 RMHERB1 RM 734043 RM0304562 Asteraceae Iva axillaris Pursh RM-51502 Richard W. Scott 9264 16 6 1995 U.S.A. Wyoming Fremont W of Roger's Mtn. Open ridgetops. 5800 ft. T33N R94W S7 Flowering and Fruiting N RM0304562 N 151 RM 391148 RMHERB1 RM Asteraceae Iva axillaris Pursh RM-53198 Robert D. Dorn 5967 8 6 1995 U.S.A. Wyoming Big Horn 1 mi N of Lucerne. Roadside with Polygonum and Kochia. 4300 ft. 43.749° N, 108.1654° W T44N R94W S29 W1/2 W1/2 W1/2 43.749 -108.1654 N N 152 RM 391677 RMHERB1 RM Asteraceae Iva axillaris Pursh RM-53539 Robert D. Dorn 6591 1 9 1995 U.S.A. Wyoming Sublette 10 mi S of Boulder. Roadside with Agropyron and Grindelia. 7200 ft. 42.5999° N, 109.705° W; uncertainty 1 mi. T30N R108W S3 N1/2 of N1/2 42.5999 -109.705 1 mi. N N 153 RM 39475 Baca 2001 RM 712187 RM0070950 Asteraceae Iva axillaris Pursh RM-12048 Ronald L. Hartman 72470 21 7 2001 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: Redondo Creek, 2.2-1.1 air mi SE of west entrance. Meadow, ponderosa pine savanna, stream bank. 8100 ft. 35° 51' 22.6" N, 106° 35' 51.3" W; uncertainty 1 mi. 35.856278 -106.597583 1 mi. Flowering and Fruiting N RM0070950 N 154 RM 3961 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-370 Amy J. Roderick 3286 6 8 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Fort Steele State Recreation Area, ca 6.6 air mi NW of Walcott Junction; ca 8.4 air mi E of Sinclair. Gravelly area among fort ruins; disturbed. 6500 ft. 41.7766° N, 106.9541° W T21N R85W S23 E1/2 41.7766 -106.9541 Flowering and Fruiting N N 155 RM 397384 WYNDD RM 580275 RM0304757 Asteraceae Iva axillaris Pursh RM-57570 Walter Fertig 10560 Jane Struttmann 1 8 1991 U.S.A. Wyoming Carbon North Platte River Drainage: banks of North Platte River, ca 4 air mi NW of Saratoga. Gravelly-sandy riverbank adjacent to mixed willow/cottonwood grove. 6700 ft. T18N R84W S21 Flowering and Fruiting N RM0304757 N 156 RM 399385 WYNDD RM 603106 RM0304758 Asteraceae Iva axillaris Pursh RM-57580 Walter Fertig 16115 26 7 1995 U.S.A. Wyoming Sweetwater Great Divide Basin: Jack Morrow Hills; dry lake along County Road 15, ca 1.3 mi N of Greasewood Wash. Dry alkaline lake bottom dominated by Polygonum aviculare, Iva, and Rorippa. 6680 ft. T23N R100W S21 E1/4 of SE1/4; also W1/4 of SW1/4 S22 Flowering N RM0304758 N 157 RM 401520 WYNDD RM 682438 RM0304507 Asteraceae Iva axillaris Pursh RM-19299 Walter Fertig 18976 28 8 1999 U.S.A. Wyoming Carbon Great Divide Basin: unnamed drainage on west side of U.S. Hwy 287, ca 2.25 air mi SSE of Lamont; ca 4.5 mi N of Bull Spring Lake. Banks of seasonally wet wash on alkali-affected gray to tan clay soils; meadow along wash dominated by Juncus balticus, Distichlis spicata, and Puccinellia nuttalliana; low clay mounds on bank with Sarcobatus, Atriplex gardneri, and Sporobolus airoides. 6570 ft. 42.1812° N, 107.4543° W; uncertainty 0.5 mi. T26N R89W S34 N1/4 of NW1/4; also S1/4 of SW1/4 S27 42.1812 -107.4543 1 mi. Fruiting N RM0304507 N 158 RM 401530 WYNDD RM 682439 RM0304505 Asteraceae Iva axillaris Pursh RM-19301 Walter Fertig 18991 28 8 1999 U.S.A. Wyoming Natrona Sweetwater River Plateau: Jackson Lake, ca 1-1.5 mi S of the Sweetwater River, ca 2 mi N of Wyo Hwy 220, ca 6 mi W of Devils Gate. Scirpus nevadensis-Distichlis spicata community on moist but not flooded alkali-clay soils near banks of lake (on upslope side of denser Scirpus pungens communities). 6040 ft. 42.4382° N, 107.3351° W; uncertainty 0.5 mi. T29N R88W S35 SW1/4 42.4382 -107.3351 1 mi. Fruiting N RM0304505 N 159 RM 401857 WYNDD RM 703182 RM0304509 Asteraceae Iva axillaris Pursh RM-59990 Walter Fertig 19732 18 7 2001 U.S.A. Wyoming Albany Laramie Basin: south side of Spring Creek on south side of Laramie, ca 0.5 mi N of I-80 at Thrid Street exit. Low swale on moist clay-rich soil in dense stand of Elymus smithii/Juncus balticus within matrix of Sarcobatus vermiculatus vegetation. 7200 ft. 41.2967° N, 105.5842° W; uncertainty 0.25 mi. T15N R73W S4 SE1/4 of NW1/4 41.2967 -105.5842 0 mi. Fruiting N RM0304509 N 160 RM 401902 WYNDD RM 782105 RM0304731 Asteraceae Iva axillaris Pursh RM-60013 Walter Fertig 21203 20 7 2004 U.S.A. Wyoming Lincoln Overthrust Belt: Twin Creek drainage on north side of railroad 0.2 mi N of U.S. Hwy 30, ca 1.5 air mi SW of Fossil Butte. Artemisia tridentata var. tridentata/Chrysothamnus nauseosus/Sarcobatus vermiculatus/Distichlis stricta/Elymus cinereus community bordering stream on clay banks. 6750 ft. 518830E, 4629644N T21N R118W S11 NE1/4 Flowering and Fruiting N RM0304731 N 161 RM 4158 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-379 Amy J. Roderick 3463 10 8 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Dugway Recreation site along North Platte River, ca 6 air mi NE of Sinclair; ca 9.4 air mi NE of Rawlins. Willow thickets, shallow ponds, and gravelly patches in wet, disturbed area. 6400 ft. 41.8639° N, 107.0511° W T22N R86W S24 SW1/4 41.8639 -107.0511 Flowering and Fruiting N N 162 RM 4185 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-380 Amy J. Roderick 3488 12 8 1997 U.S.A. Wyoming Carbon [location and coordinates withheld] Grassy meadow near brook. 7190 ft. Flowering and Fruiting N N 163 RM 4301 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-382 Amy J. Roderick 3591 12 8 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Alpha Ditch along County Road 101, ca 3.5 air mi S of Elk Mountain townsite; ca 10.7 air mi WNW of Arlington. Semi-moist ditch associated with Phleum pratense and sparse stands of cottonwood, willow, and birch. 7590 ft. 41.6351° N, 106.411° W T19N R80W S8 41.6351 -106.411 Flowering and Fruiting N N 164 RM 4348 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-384 Amy J. Roderick 3633 14 8 1997 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: Pathfinder Reservoir: National Wildlife Refuge N of County Road 410, ca 22 air mi NE of Three Forks Junction. Sandy grassland at rivers edge. 5857 ft. 42.5112° N, 107.0619° W T29N R85W S6 SE1/4 42.5112 -107.0619 Flowering and Fruiting N N 165 RM 436903 South Dakota RM 106684 RM0304665 Asteraceae Iva axillaris Pursh RM-66641 Arthur C. McIntosh 703 7 7 1925 U.S.A. South Dakota Meade Bear Butte Lake. On mud flats of lake. 3160 3180 ft. 44.4598° N, 103.4377° W; uncertainty 0.5 mi. T6N R6E S30 44.4598 -103.4377 1 mi. Frequent. Flowering and Fruiting N RM0304665 N 166 RM 4372 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-385 Amy J. Roderick 3655 14 8 1997 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: Pathfinder Reservoir: National Wildlife Refuge N of County Road 410, ca 24 air mi NE of Three Forks Junction. Sagebrush grassland on sandy shelf above reservoir. 5860 ft. 42.5112° N, 107.0423° W T29N R85W S5 42.5112 -107.0423 Flowering and Fruiting N N 167 RM 444243 South Dakota RM 122780 Asteraceae Iva axillaris Pursh Iva axillaris Pursh
Annotated by C. L. Porter in 1963. RM-69598 W. H. Over 18765 10 7 1930 U.S.A. South Dakota Harding Little Missouri River. Could not be mapped. Flowering and Fruiting N N 168 RM 4500 Taylor, Amy 1997 RM Asteraceae Iva axillaris Pursh RM-392 Amy J. Roderick 3770 17 8 1997 U.S.A. Wyoming Carbon [location and coordinates withheld] Big sagebrush draw in surrounding sagebrush grasslands; dry sandy soil. 6850 ft. Flowering N N 169 RM 478103 So Rocky Mts RM 399629 Asteraceae Iva axillaris Pursh RM-88072 Betsy E. Neely 4265B S. Galatowitsch 11 6 1987 U.S.A. Colorado Moffat Dinosaur National Monument: Gates of Lodore Campground: ca 1/4 mi SE of Lodore Ranger station. Sandy soils of flat terrace deposits in bottomland with Chrysothamnus, Agropyron repens and Elymus cinerus. 5400 ft. T9N R102W S20 NW1/4 of SE1/4 Flowering N N 170 RM 478340 So Rocky Mts RM 398574 Asteraceae Iva axillaris Pursh RM-77403 Bruce A. Stein 1903 15 8 1984 U.S.A. Colorado Moffat Yampa River between Craig and Maybell; north side of Duffy Mountain near Sand Spring Gulch. Sagebrush scrub along and above river; sandy soil. 6100 ft. 40° 25' N, 107° 50' W 40.416667 -107.833333 Flowering and Fruiting N N 171 RM 478692 So Rocky Mts RM 207538 Asteraceae Iva axillaris Pursh RM-77738 C. L. Porter 4129 4 5 1947 U.S.A. Colorado Kiowa At reservoirs between Lamar and Eads. Clayey slopes. 4000 ft. Flowering N N 172 RM 479362 So Rocky Mts RM 33203 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Edward L. Greene. RM-78030 Carl F. Baker 110 11 6 1901 U.S.A. Colorado Mesa Region of the Gunnison Watershed: Grand Junction. 4590 ft. Flowering and Fruiting N N 173 RM 481584 So Rocky Mts RM 133328 Asteraceae Iva axillaris Pursh RM-78813 Earl F. Castetter 1379 30 5 1932 U.S.A. New Mexico Sandoval Cochiti. Low ground along river. 6000 ft. 35.61719 -106.3315 NAD 83 5 mi. N N Nat. Geog. TOPO! Flowering and Fruiting N N 174 RM 482120 So Rocky Mts USFS 480173 Asteraceae Iva axillaris Pursh RM-79074 E. R. Ware 214 10 9 1932 U.S.A. Colorado Garfield White River National Forest. Level clay, open areas; with Chenopodium, leontodon, Medicago sativa; waste ground. 5800 ft. T6S R89W S9 Flowering N N 175 RM 483458 So Rocky Mts RM 81886 Asteraceae Iva axillaris Pursh RM-90356 Edwin B. Payson 939 8 9 1915 U.S.A. Colorado Montrose Montrose. Alkaline flats. 5800 ft. Flowering and Fruiting N N 176 RM 484879 So Rocky Mts RM 132886 Asteraceae Iva axillaris Pursh RM-91115 Francis Ramaley 12204 20 7 1929 U.S.A. Colorado Alamosa N end of San Luis Valley. Fallow field. Flowering N N 177 RM 485022 So Rocky Mts RM 140115 Asteraceae Iva axillaris Pursh RM-91131 Francis Ramaley 14150 10 7 1934 U.S.A. Colorado Conejos Espinosa. Flowering and Fruiting N N 178 RM 485703 So Rocky Mts RM 81628 Asteraceae Iva axillaris Pursh RM-71918 Francis Ramaley 9896 17 6 1914 U.S.A. Colorado Jefferson Church's Lake. Flowering N N 179 RM 487153 So Rocky Mts RM 155432 Asteraceae Iva axillaris Pursh RM-81401 George E. Osterhout 244 7 7 1894 07 Jul 1894 U.S.A. Colorado Weld Windsor Flowering N N 180 RM 488253 So Rocky Mts RM 155430 Asteraceae Iva axillaris Pursh RM-72555 George E. Osterhout 4158 8 7 1909 U.S.A. Colorado Weld Windsor. Flowering and Fruiting N N 181 RM 490418 So Rocky Mts RM 312255 Asteraceae Iva axillaris Pursh RM-91742 George E. Osterhout s.n. 20 7 1915 U.S.A. Colorado Montrose Montrose. Flowering N N 182 RM 494208 So Rocky Mts USFS 480176 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by S. F. Blake. RM-73689 Leon C. Snyder S-95 11 6 1938 U.S.A. Colorado Weld Clay soil. 5400 ft. 40.8503° N, 104.7434° W; uncertainty 1 mi. T10N R66W S11 40.8503 -104.7434 1 mi. Flowering N N 183 RM 495754 So Rocky Mts RM 47338 Asteraceae Iva axillaris Pursh RM-94559 no collector 3271 5 6 1892 U.S.A. Colorado Prowers Lamar. Flowering and Fruiting N N 184 RM 49629 Packer 1997 677907 RM0304693 Asteraceae Iva axillaris Pursh RM-12379 B. E. Nelson 43076 19 8 1997 U.S.A. Wyoming Natrona [location and coordinates withheld] Roadside and adjacent bladed areas. 6160 6320 ft. Flowering and Fruiting N RM0304693 N 185 RM 496777 So Rocky Mts USFS 480188 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by S. F. Blake. RM-95041 Paul L. Ginter 670 2 9 1942 U.S.A. Colorado Alamosa 3 mi S of Alamosa. Level, adobe gravel, along ditches with Lactuca, Salsola and Stianion. 7500 ft. Flowering and Fruiting N N 186 RM 499168 So Rocky Mts RM 172036 Asteraceae Iva axillaris Pursh RM-96422 Robert M. Muir 51 2 7 1937 U.S.A. Colorado Weld Sandy loam, abandoned field. 40.8648° N, 104.7053° W; uncertainty 1 mi. T10N R65W S6 40.8648 -104.7053 1 mi. Flowering N N 187 RM 499432 Philmont 1968 RM 299490 Asteraceae Iva axillaris Pursh RM-85574 Ronald L. Hartman 1984 17 6 1968 U.S.A. New Mexico Colfax Philmont Scout Ranch: near Cimarron, 1 me E of Webster Reservoir. Along road and on plains. 7000 ft. 36.49249 -104.99809 NAD 83 0 mi. N N Nat. Geog. TOPO! Flowering N N 188 RM 504443 So Salt River Range Asteraceae Iva axillaris Pursh RM-98873 B. E. Nelson 26352 Russ Nelson 25 6 1993 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Tunp Range: Gooseberry Spring and vicinity between Boulder and Rock Creek ridges, ca 25 air mi WNW of Kemmerer; ca 6 air mi NE of Sage Junction. Steep slopes and bottom of gully. 6620 6800 ft. 41° 51' 51" N, 110° 54' 14" W T22N R119W S26 41.864167 -110.903889 Flowering and Fruiting N N 189 RM 504912 So Salt River Range Asteraceae Iva axillaris Pursh RM-98891 Ronald L. Hartman 33479 27 6 1992 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Commissary Ridge: ca 0.5 air mi SE of Kemmerer Reservoir along powerlines E of paved road; ca 12 air mi NW of Kemmerer. Rolling sagebrush-grasslands, southwest exposure with some aspen on northeast side of gravelly ridge, also along roadside. 7150 7400 ft. 41° 55' 55" N, 110° 38' 11" W T23N R117W S36 41.931944 -110.636389 Flowering N N 190 RM 50552 Packer 1997 677906 RM0304694 Asteraceae Iva axillaris Pursh RM-12397 Ronald L. Hartman 58226 25 6 1997 U.S.A. Wyoming Albany Laramie Range: ridge E of south end of Wheatland Reservoir No. 2, ca 7.5 air mi NW of Morton Pass. Badlands on east side, sagebrush-grassland above. 7000 7400 ft. 41.7766° N, 105.6155° W T21N R73W S20 W1/2 41.7766 -105.6155 Vegetative N RM0304694 N 191 RM 505575 So Salt River Range Asteraceae Iva axillaris Pursh RM-98903 Ronald L. Hartman 41486 22 7 1993 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: ca 6 air mi N of Kemmerer. Sagebrush slopes with serviceberry and coralberry and grassy flats. 7200 7300 ft. 41° 53' 53" N, 110° 33' 13" W T22N R116W S14 South 1/4; and also S23 and W1/2 S24 41.898056 -110.553611 Flowering and Fruiting N N 192 RM 505622 So Salt River Range Asteraceae Iva axillaris Pursh RM-98904 Ronald L. Hartman 41533 22 7 1993 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Commissary Ridge, ca 14 air mi N of Kemmerer. Flats along stream, old homestead in aspen grove, and slope with sandstone outcrops. 7400 7900 ft. 41° 59' 59" N, 110° 33' 43" W T23N R116W S10 E1/2; and also W1/2 S11 41.999722 -110.561944 Flowering N N 193 RM 505633 So Salt River Range Asteraceae Iva axillaris Pursh RM-98904 Ronald L. Hartman 41544 22 7 1993 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Commissary Ridge, ca 14 air mi N of Kemmerer. Flats along stream, old homestead in aspen grove, and slope with sandstone outcrops. 7400 7900 ft. 41° 59' 59" N, 110° 33' 43" W T23N R116W S10 E1/2; and also W1/2 S11 41.999722 -110.561944 Flowering and Fruiting N N 194 RM 505809 So Salt River Range Asteraceae Iva axillaris Pursh RM-98906 Ronald L. Hartman 41722 23 7 1993 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Oyster Ridge, ca 9 air mi N of Kemmerer. Streamside and sandy slopes below, sandstone outcrops and sandy ridge above. 7250 7400 ft. 42° 6' 6" N, 110° 33' 2" W T25N R115W S31 SW1/4; and also T23N R116W S1/4 S36, T22N R115W NW1/4 S6; also T22N R116W N1/2 S1 42.101667 -110.550556 Flowering N N 195 RM 506478 Cramer 1994 RM 632409 RM0304513 Asteraceae Iva axillaris Pursh RM-98922 Thomas Cramer 2791 4 8 1994 U.S.A. Wyoming Lincoln Green River Basin: south side of Fontenelle Gap, ca 15 air mi W of Fontenelle Reservoir. Hillside sagebrush and Douglas fir stands. 7000 7880 ft. 42° 5' 5" N, 110° 23' 49" W T24N R115W S1 SW1/4; also S2 42.084722 -110.396944 Flowering N RM0304513 N 196 RM 506544 So Salt River Range Asteraceae Iva axillaris Pursh RM-98924 Thomas Cramer 3806 14 8 1994 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Lake Viva Naughton, ca 13 air mi NNW of Kemmerer. Reservoir edge, meadows, and sagebrush. 7250 ft. 41° 57' 57" N, 110° 39' 24" W T23N R117W S23 NE1/4; also SE1/4 S14 41.965833 -110.656667 Flowering N N 197 RM 533270 Ward 1996 670612 RM0304744 Asteraceae Iva axillaris Pursh RM-102675 B. E. Nelson 38355 10 7 1996 U.S.A. Wyoming Carbon [location and coordinates withheld] Bottom of a dry wash. 6650 6700 ft. Flowering N RM0304744 N 198 RM 533974 Ward 1996 670613 RM0304743 Asteraceae Iva axillaris Pursh RM-59 B. E. Nelson 39054 18 7 1996 U.S.A. Wyoming Sweetwater [location and coordinates withheld] Roadside. 7000 7020 ft. Flowering N RM0304743 N 199 RM 534256 Ward 1996 670614 RM0304742 Asteraceae Iva axillaris Pursh RM-102720 B. E. Nelson 39514 7 8 1996 U.S.A. Wyoming Sweetwater [location and coordinates withheld] Meadow in the creek bottom with areas of salt deposits. 6700 6720 ft. Flowering and Fruiting N RM0304742 N 200 RM 534295 Ward 1996 670615 RM0304741 Asteraceae Iva axillaris Pursh RM-102726 B. E. Nelson 39553 8 8 1996 U.S.A. Wyoming Sweetwater South-central Wyoming: along Vermillion Creek above Hiawatha or County Road 25 and ca 2/3 mi N of Colorado, ca 48 air mi SE of Rock Springs. Disturbed sagebrush-greasewood flats along the creek. 6600 6750 ft. 41.0115° N, 108.6483° W T12N R100W S15 SE1/4 41.0115 -108.6483 Flowering N RM0304741 N 201 RM 534310 Ward 1996 670616 RM0304740 Asteraceae Iva axillaris Pursh RM-102730 B. E. Nelson 39568 8 8 1996 U.S.A. Wyoming Sweetwater South-central Wyoming: along Bitter Creek S or County Road 19S at the west base of Kinney Rim, ca 41.5 air mi SE of Rock Springs; ca 35 air mi S of Point of Rocks. Drained stock pond on red clays. 7130 7200 ft. 41.1709° N, 108.5913° W T14N R99W S19 NW1/4 41.1709 -108.5913 Flowering and Fruiting N RM0304740 N 202 RM 534351 Ward 1996 670617 RM0304739 Asteraceae Iva axillaris Pursh RM-102734 B. E. Nelson 39609 8 8 1996 U.S.A. Wyoming Sweetwater South-central Wyoming: Rock Springs Uplift: along Alkali Wash below Patrick Draw or County Road 24, ca 3.5 air mi WNW of Pine Butte, ca 29 air mi SE of Rock Springs; ca 24 air mi S of Point of Rocks. Sand bars and sandy banks along the channel. 7050 ft. 41.3237° N, 108.7478° W T16N R101W S35 SE1/4 41.3237 -108.7478 Flowering and Fruiting N RM0304739 N 203 RM 534385 Ward 1996 670618 RM0304738 Asteraceae Iva axillaris Pursh RM-102738 B. E. Nelson 39643 11 8 1996 U.S.A. Wyoming Sweetwater South-central Wyoming: Washakie Basin: along Bitter Creek between Black Buttes and Bitter Creek UPRR sidings, ca 30.5 air mi ESE of Rock Springs; ca 34 air mi WSW of Wamsutter. Sand bars and low areas along the stream channel. 6650 6680 ft. 41.509° N, 108.6102° W T18N R99W S30 41.509 -108.6102 Flowering N RM0304738 N 204 RM 534682 Ward 1996 RM 670619 RM0304737 Asteraceae Iva axillaris Pursh RM-72 B. E. Nelson 39939 15 8 1996 U.S.A. Wyoming Carbon South-central Wyoming: along Muddy Creek on the north end of Peach Orchard Flat, ca 14.5 air mi N of Baggs; ca 41 air mi SW of Rawlins. Banks and low benches along the stream channel. 6420 6440 ft. 41.2434° N, 107.6787° W T15N R91W S30 SE1/4 41.2434 -107.6787 Flowering N RM0304737 N 205 RM 534730 Ward 1996 670620 RM0304736 Asteraceae Iva axillaris Pursh RM-102767 B. E. Nelson 39987 Beth Ward 18 8 1996 U.S.A. Wyoming Carbon [location and coordinates withheld] Bottom of old stock pond. 7500 ft. Vegetative N RM0304736 N 206 RM 534785 Ward 1996 670621 RM0304735 Asteraceae Iva axillaris Pursh RM-102770 B. E. Nelson 40042 19 8 1996 U.S.A. Wyoming Carbon South-central Wyoming: along Muddy Creek and the Overland Trail, ca 6 air mi SW of Bridger Pass, ca 25 air mi SW of Rawlins; ca 31.5 air mi NNE of Baggs. Greasewood-sagebrush flat. 7070 7160 ft. 41.4761° N, 107.5014° W T17N R90W S2 South1/4 41.4761 -107.5014 Fruiting N RM0304735 N 207 RM 534847 Ward 1996 670622 RM0304734 Asteraceae Iva axillaris Pursh RM-102777 B. E. Nelson 40104 20 8 1996 U.S.A. Wyoming Carbon South-central Wyoming: along Cottonwood Creek and McCarty Canyon or County Road 503, ca 5 air mi NNE of Dixon; ca 50.5 air mi SSW of Rawlins. Roadside. 6720 6760 ft. 41.0984° N, 107.5076° W T13N R90W S15 SE1/4 41.0984 -107.5076 Flowering N RM0304734 N 208 RM 536124 Ward 1996 670607 RM0304778 Asteraceae Iva axillaris Pursh RM-102846 Beth Ward 2115 5 7 1996 U.S.A. Wyoming Sweetwater South-central Wyoming: Rock Springs Uplift: lower slope of Laney Rim adjacent to Gap Creek, ca 0.5 mi N of Titsworth Gap, the confluence of Gap and Beans Spring creeks; ca 26 air mi SSE of Rock Springs. Rim draw. 7080 7400 ft. 41.2082° N, 109.0537° W T14N R103W S7 NE1/4 41.2082 -109.0537 Flowering N RM0304778 N 209 RM 537223 Ward 1996 670608 RM0304769 Asteraceae Iva axillaris Pursh RM-102900 Beth Ward 3082 21 7 1996 U.S.A. Wyoming Carbon [location and coordinates withheld] Moist draw. 7150 8120 ft. Flowering N RM0304769 N 210 RM 537246 Ward 1996 670609 RM0304768 Asteraceae Iva axillaris Pursh RM-102905 Beth Ward 3102 21 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: on east side of Atlantic Rim, ca 2 air mi SW of Bridger Pass; ca 20.5 air mi SSW of Rawlins. Near water pool. 7490 7660 ft. 41.534° N, 107.4632° W T18N R89W S18 SW1/4; also NW1/4 S19 41.534 -107.4632 Flowering N RM0304768 N 211 RM 537747 Ward 1996 RM 670610 RM0304767 Asteraceae Iva axillaris Pursh RM-102928 Beth Ward 3542 2 8 1996 U.S.A. Wyoming Carbon [location and coordinates withheld] Riverside. 6080 6085 ft. Flowering N RM0304767 N 212 RM 537805 Ward 1996 799423 RM0088850 Asteraceae Iva axillaris Pursh RM-102932 Beth Ward 3593 2 8 1996 U.S.A. Wyoming Carbon South-central Wyoming: Washakie Basin: along Red Creek just above the confluence of Red and Sand creeks, ca 1 air mi N of the confluence of Sand Creek and Little Snake River; ca 10.5 air mi W of Baggs. Adjacent to creek. 6110 6130 ft. T12N R93W S4 NE1/4 N N 213 RM 537969 Ward 1996 670611 RM0304745 Asteraceae Iva axillaris Pursh RM-102945 Beth Ward 3738 3 8 1996 U.S.A. Wyoming Carbon South-central Wyoming: Little Snake River floodplain on the south side of the river, ca 1 air mi W of the confluence of the Little Snake River and Sand Creek; ca 12 air mi WSW of Baggs. Moist terrace above river. 6080 6090 ft. 41.026° N, 107.8878° W T12N R93W S8 South1/2; also N1/2 S17 41.026 -107.8878 Flowering and Fruiting N RM0304745 N 214 RM 541728 Ward 1997 RM 672257 RM0304723 Asteraceae Iva axillaris Pursh RM-103086 Beth Ward 6634 16 7 1997 U.S.A. Wyoming Sweetwater [location and coordinates withheld] Steep, rocky slope immediately adjacent to river. 6120 6130 ft. Flowering and Fruiting N RM0304723 N 215 RM 542045 Ward 1997 RM 672256 RM0304722 Asteraceae Iva axillaris Pursh RM-103100 Beth Ward 6948 23 7 1997 U.S.A. Wyoming Sweetwater [location and coordinates withheld] Clay draw, mid-level. 6660 7505 ft. Flowering and Fruiting N RM0304722 N 216 RM 556774 Wyo/Salt River 1992 RM 657930 RM0304709 Asteraceae Iva axillaris Pursh RM-103869 Ronald L. Hartman 33215 Bruce Embury 23 6 1992 U.S.A. Wyoming Sublette Wyoming/Salt River Ranges: Wyoming Range: west and southwest side of Dead Indian Dome; ca 12.5 air mi NW of Big Piney. Sagebrush top, badlands on slopes (severe drought conditions). 7400 7650 ft. 42.6725° N, 110.2681° W T31N R113W S14 42.6725 -110.2681 Flowering N RM0304709 N 217 RM 556858 Wyo/Salt River 1992 RM 657929 RM0304708 Asteraceae Iva axillaris Pursh RM-103871 Ronald L. Hartman 33298 Bruce Embury 25 6 1992 U.S.A. Wyoming Sublette Green River Basin: Onion Creek, ca 9 air mi SW of Daniel Junction. Sagebrush-grassland and alkaline stream. 7300 7340 ft. 42.8292° N, 110.2047° W T33N R112W S15 42.8292 -110.2047 Flowering N RM0304708 N 218 RM 557041 Wyo/Salt River 1992 RM 657928 RM0304707 Asteraceae Iva axillaris Pursh RM-103875 Ronald L. Hartman 33479 27 6 1992 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Commissary Ridge: 0.5 air mi SE of Kemmerer Reservoir along powerlines E of paved road; ca 12 air mi NW of Kemmerer. Rolling sagebrush-grasslands, southwest exposure with some aspen on northeast side of gravelly ridge, also along roadside. 7150 7400 ft. 41.9294° N, 110.6364° W T23N R117W S36 41.9294 -110.6364 Flowering N RM0304707 N 219 RM 560972 Wyo/Salt River 1993 RM 657107 RM0304716 Asteraceae Iva axillaris Pursh RM-103992 B. E. Nelson 26352 Russ Nelson 25 6 1993 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Tunp Range: Gooseberry Spring and vicinity between Boulder and Rock Creek ridges, ca 25 air mi WNW of Kemmerer; ca 6 air mi NE of Sage Junction. Steep slopes and bottom of gully. 6620 6800 ft. 41.8572° N, 110.9039° W T22N R119W S26 41.8572 -110.9039 Flowering and Fruiting N RM0304716 N 220 RM 562683 Wyo/Salt River 1993 RM 657108 RM0304717 Asteraceae Iva axillaris Pursh RM-104054 Ronald L. Hartman 41486 22 7 1993 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Salt River Range: ca 6 air mi N of Kemmerer. Sagebrush slopes with serviceberry and coralberry and grassy flats. 7200 7300 ft. 41.8864° N, 110.5536° W T22N R116W S14 South 1/4; and also S23 and W1/2 S24 41.8864 -110.5536 Flowering and Fruiting N RM0304717 N 221 RM 562730 Wyo/Salt River 1993 RM 657109 RM0304718 Asteraceae Iva axillaris Pursh RM-104055 Ronald L. Hartman 41533 22 7 1993 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Salt River Range: Commissary Ridge, ca 14 air mi N of Kemmerer. Flats along stream, old homestead in aspen grove, and slope with sandstone outcrops. 7400 7900 ft. 41.9875° N, 110.5919° W T23N R116W S10 E1/2; and also W1/2 S11 41.9875 -110.5919 Flowering N RM0304718 N 222 RM 562741 Wyo/Salt River 1993 RM 657110 RM0304719 Asteraceae Iva axillaris Pursh RM-104055 Ronald L. Hartman 41544 22 7 1993 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Salt River Range: Commissary Ridge, ca 14 air mi N of Kemmerer. Flats along stream, old homestead in aspen grove, and slope with sandstone outcrops. 7400 7900 ft. 41.9875° N, 110.5919° W T23N R116W S10 E1/2; and also W1/2 S11 41.9875 -110.5919 Flowering and Fruiting N RM0304719 N 223 RM 562919 Wyo/Salt River 1993 RM 657111 RM0304720 Asteraceae Iva axillaris Pursh RM-104057 Ronald L. Hartman 41722 23 7 1993 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Salt River Range: Oyster Ridge, ca 9 air mi N of Kemmerer. Streamside and sandy slopes below, sandstone outcrops and sandy ridge above. 7250 7400 ft. 42.1081° N, 110.5506° W T25N R115W S31 SW1/4; and also T23N R116W South 1/4 S36, T22N R115W NW1/4 S6; also T22N R116W N1/2 S1 42.1081 -110.5506 Flowering N RM0304720 N 224 RM 563157 Cretaceous/Hogsback RM 613756 RM0304686 Asteraceae Iva axillaris Pursh RM-104061 Ronald L. Hartman 41959 24 7 1993 U.S.A. Wyoming Sublette Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge area: Pine Grove Creek near northwest end of Cretaceous Mountain; ca 15.5 air mi SW of Big Piney. Meadow along stream with patches of shrubs. 7900 ft. 42.4269° N, 110.3672° W T28N R114W S10 NE1/4 of SE1/4 42.4269 -110.3672 Flowering N RM0304686 N 225 RM 563561 Cretaceous/Hogsback RM 613755 RM0304685 Asteraceae Iva axillaris Pursh RM-104068 Ronald L. Hartman 42363 27 7 1993 U.S.A. Wyoming Sublette Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: ca 15 air mi SW of Big Piney. Shady slopes with sagebrush. 7400 ft. 42.3833° N, 110.3342° W T28N R114W S25 NE1/4 42.3833 -110.3342 Buds N RM0304685 N 226 RM 563987 Wyo/Salt River 1993 RM 657112 RM0304721 Asteraceae Iva axillaris Pursh RM-104074 Ronald L. Hartman 42789 30 7 1993 U.S.A. Wyoming Sublette Wyoming/Salt River Ranges: Salt River Range: South end of Deadline Ridge, ca 3 air mi NW of Viola. Rocky slopes and ridges. 7280 8965 ft. 42.3136° N, 110.3978° W T27N R114W S20; also T27N R114W S29, N1/2 S32; also 27N R115W S36 NE1/4 42.3136 -110.3978 Flowering and Fruiting N RM0304721 N 227 RM 564844 Cretaceous/Hogsback RM 613754 RM0304684 Asteraceae Iva axillaris Pursh RM-104087 Ronald L. Hartman 43644 4 8 1993 U.S.A. Wyoming Sublette Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: Northwest corner of Cretaceous Mountain, ca 15 air mi SW of Big Piney. Limestone outcrops and sandy slopes adjacent to gas well. 8200 ft. 42.4267° N, 110.3506° W; uncertainty 1 mi. T28N R114W S11 42.4267 -110.3506 1 mi. Flowering N RM0304684 N 228 RM 564981 Cretaceous/Hogsback RM 613753 RM0304683 Asteraceae Iva axillaris Pursh RM-104093 Ronald L. Hartman 43781 13 8 1993 U.S.A. Wyoming Lincoln Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: southeastern corner of Hogsback Ridge, ca 22 air mi SW of Big Piney. Limey, gravelly slopes and calcareous outcrops. 7200 7600 ft. 42.2528° N, 110.2903° W T26N R113W S8 NW1/4 42.2528 -110.2903 1 mi. Fruiting N RM0304683 N 229 RM 565032 Cretaceous/Hogsback RM 613750 RM0304682 Asteraceae Iva axillaris Pursh RM-104094 Ronald L. Hartman 43832 13 8 1993 U.S.A. Wyoming Lincoln Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: 1 air mi E of Hogsback Ridge, ca 22 air mi SW of Big Piney. Marshy area and edge of stock pond. 7000 ft. 42.2528° N, 110.2903° W; uncertainty 1 mi. T26N R113W S8 SE1/4; also SW1/4 S9 42.2528 -110.2903 1 mi. Buds N RM0304682 N 230 RM 566956 Bighorn Basin RM 661742 RM0304691 Asteraceae Iva axillaris Pursh RM-104191 B. E. Nelson 10661 2 8 1983 U.S.A. Wyoming Park Bighorn Basin: at the base of Pappapau Butte along the Grey Bull River, ca 10.3 air mi SW of Meeteetse. Roadside. 6300 ft. 44.10056° N, 109.06611° W; uncertainty 1 mi. T48N R102W S26 44.10056 -109.06611 1 mi. N RM0304691 N 231 RM 569477 Bighorn Basin RM 661741 RM0304692 Asteraceae Iva axillaris Pursh RM-104442 B. E. Nelson 13731 21 6 1987 21 June 1987 U.S.A. Wyoming Park Bighorn Basin: Polecat Bench along Cottonwood Creek, ca 6 air mi W of Frannie; ca 14 air mi N of Powell. Stony road banks. 4700 ft. 44.9513° N, 108.7502° W T57N R99W S1 44.9513 -108.7502 N RM0304692 N 232 RM 569504 Bighorn Basin RM 661740 RM0304727 Asteraceae Iva axillaris Pursh RM-104447 B. E. Nelson 13756 21 6 1987 21 June 1987 U.S.A. Wyoming Park Bighorn Basin: ca 2.3 air mi W of Fannie on the road from Elk Basin Oil Field to Fannie; ca 16 air mi NNE of Powell. Stock pond dam. 4400 ft. 44.9796° N, 108.6686° W T58N R98W S27 44.9796 -108.6686 N RM0304727 N 233 RM 569588 Bighorn Basin RM 661739 RM0304770 Asteraceae Iva axillaris Pursh RM-104454 B. E. Nelson 13831 23 6 1987 23 June 1987 U.S.A. Wyoming Big Horn Bighorn Basin: along Crystal Creek Road above Crystal Creek, ca 17 air mi SE of Lovell. Edge of saline marsh. 4200 ft. 44.6888° N, 108.119° W T54N R94W S1 44.6888 -108.119 N RM0304770 N 234 RM 569687 Bighorn Basin RM 661738 RM0304771 Asteraceae Iva axillaris Pursh RM-104462 B. E. Nelson 13921 25 6 1987 U.S.A. Wyoming Big Horn Bighorn Basin: along Little Dry Creek Road, ca 14 air mi NW of Greybull, ca 10.5 air mi NE of Emblem. Dry reservoir. 4300 ft. 44.6283° N, 108.2775° W T54N R95W S27 44.6283 -108.2775 N RM0304771 N 235 RM 569694 Bighorn Basin RM 662737 RM0304764 Asteraceae Iva axillaris Pursh RM-104464 B. E. Nelson 13928 25 6 1987 U.S.A. Wyoming Big Horn Bighorn Basin: Sore Finger Reservoir and vicinity, ca 15 air mi S of Lovell, ca 7.5 air mi N of Emblem. Reservoir margins. 4500 ft. 44.6136° N, 108.41944° W T54N R96W S33 44.6136 -108.41944 N RM0304764 N 236 RM 569859 Bighorn Basin RM 661737 RM0304772 Asteraceae Iva axillaris Pursh RM-104475 B. E. Nelson 14077 30 6 1987 U.S.A. Wyoming Park Bighorn Basin: Shearing Pens Reservoir above West Branch Whistle Creek, ca 12 air mi SE of Powell. Along shores of reservoir. 4400 ft. 44.60056° N, 108.66306° W T53N R98W S4 44.60056 -108.66306 N RM0304772 N 237 RM 569928 Bighorn Basin RM 661736 RM0304773 Asteraceae Iva axillaris Pursh RM-104480 B. E. Nelson 14139 30 6 1987 U.S.A. Wyoming Big Horn Bighorn Basin: along Coon Creek SW of Wyo Hwy 32, ca 9 air mi NW of Emblem, ca 17.5 air mi SW of Lovell. Clay flats and slopes. 4300 ft. 44.5994° N, 108.52111° W T53N R97W S3 44.5994 -108.52111 N RM0304773 N 238 RM 571194 Bighorn Basin RM 661735 RM0304759 Asteraceae Iva axillaris Pursh RM-104560 B. E. Nelson 15306 Erik Nelson 5 6 1988 U.S.A. Wyoming Big Horn Bighorn Basin: on Fenton Pass Road, ca 6 air mi N of Tatman Mountain, ca 8 air mi SW of Burlington, ca 26 air mi W of Basin. Reservoir dam and banks. 4850 ft. 44.3786° N, 108.56278° W T51N R97W S19 44.3786 -108.56278 N RM0304759 N 239 RM 573871 Bighorn Basin RM Asteraceae Iva axillaris Pursh RM-104778 B. E. Nelson 21045 Robin Jones 11 6 1991 U.S.A. Wyoming Hot Springs Bighorn Basin: Gumbo Hills, ca 3 air mi E of Hamilton Dome, ca 17-18 air mi WNW of Thermopolis. Gumbo clay slopes. 5400 5656 ft. 43.7664° N, 108.5216° W; uncertainty 2 mi. T44N R97W S20; also S21 43.7664 -108.5216 2 mi. N N 240 RM 574231 R Jones 1991 RM Asteraceae Iva axillaris Pursh RM-104808 B. E. Nelson 21830 26 7 1991 U.S.A. Wyoming Fremont Owl Creek/Bridger Mountains: Bridger Mountains: along East Fork Dry Creek at the abondoned Berger Ranch, ca 12 air mi NW of Lysite, ca 37 air mi NE of Riverton. Abandoned hay field. 5950 ft. 43.3936° N, 107.8633° W; uncertainty 1 mi. T40N R92W S34 43.3936 -107.8633 1 mi. N N 241 RM 574794 SE WY 1978 RM 318089 RM0304594 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh. RM-104860 B. E. Nelson 2430 27 9 1978 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 7 air mi NE of Lingle, ca 11 air mi NNW of Torrington, ca 2 mi E of U.S. Hwy 85 on Kettle Rock Road along Rawhide Creek. In upland grassland with Artemisia frigida. 4400 ft. 42.218° N, 104.2597° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO! T26N R62W S24 NW1/4 42.218 -104.2597 NAD 83 700 ft. N N Nat. Geog. TOPO! BEN Abundant. Buds N RM0304594 N 242 RM 579843 Bighorn Basin RM 661750 RM0304726 Asteraceae Iva axillaris Pursh RM-105298 B. E. Nelson 7571 5 6 1981 U.S.A. Wyoming Washakie Bighorn Basin: Six Mile Reservoir and vicinity, ca 12 air mi NNW of Worland; ca 9 air mi SW of Manderson. Around the reservoir. 4400 ft. 44.1603° N, 108.0714° W; uncertainty 1 mi. T48N R93W S6 44.1603 -108.0714 1 mi. N RM0304726 N 243 RM 579850 Bighorn Basin RM 661749 RM0304725 Asteraceae Iva axillaris Pursh RM-105300 B. E. Nelson 7577 5 6 1981 U.S.A. Wyoming Big Horn Bighorn Basin: Six Mile Reservoir and vicinity, ca 9 air mi SW of Manderson; ca 15 air mi S of Basin. On the dam and in the outer areas of reservoir. 4400 ft. 44.1712° N, 108.0671° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T49N R93W S32 44.1712 -108.0671 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN N RM0304725 N 244 RM 580297 Bighorn Basin RM 661748 RM0304724 Asteraceae Iva axillaris Pursh RM-105332 B. E. Nelson 7977 11 6 1981 U.S.A. Wyoming Washakie Bighorn Basin: Green Bug Reservoir, ca 7.5 air mi SW of Ten Sleep on Blue Bank Road. Disturbed areas. 4900 ft. 43.9477° N, 107.5569° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO! T46N R89W S17 43.9477 -107.5569 NAD 83 700 ft. N N Nat. Geog. TOPO! BEN N RM0304724 N 245 RM 580865 Bighorn Basin RM 661746 RM0304765 Asteraceae Iva axillaris Pursh RM-105371 B. E. Nelson 8492 21 7 1981 U.S.A. Wyoming Big Horn Bighorn Basin: Neves Reservoir: at the foot of Tatman Mountain on the south side, ca 23 air mi WSW of Basin; ca 11.5 air mi S of Burlington. Disturbed areas. 5300 ft. 44.29139° N, 108.4828° W; uncertainty 1 mi. T50N R97W S23 44.29139 -108.4828 1 mi. N RM0304765 N 246 RM 580920 Bighorn Basin RM 661745 RM0304766 Asteraceae Iva axillaris Pursh RM-105377 B. E. Nelson 8542 22 7 1981 U.S.A. Wyoming Park Bighorn Basin: along the Greybull River between YU Bench and Sheets Flat, ca 23.5 air mi NE of Meeteetse. Roadside and disturbed areas at foot of the bluff. 5000 ft. 44.3353° N, 108.68306° W; uncertainty 1 mi. T50N R98W S6 44.3353 -108.68306 1 mi. N N N RM0304766 N 247 RM 580995 Bighorn Basin RM 661744 RM0304689 Asteraceae Iva axillaris Pursh RM-105382 B. E. Nelson 8610 23 7 1981 U.S.A. Wyoming Hot Springs Bighorn Basin: along the Big Horn River, ca 7 air mi NNE of Thermopolis; ca 1 air mi ENE of Lucerne. Sandy soil in disturbed sites. 4300 ft. 43.7468° N, 108.1565° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO! T44N R94W S28 43.7468 -108.1565 NAD 83 700 ft. N N Nat. Geog. TOPO! BEN N RM0304689 N 248 RM 581783 Bighorn Basin RM 661743 RM0304690 Asteraceae Iva axillaris Pursh RM-105470 B. E. Nelson 9913 26 6 1983 U.S.A. Wyoming Park Bighorn Basin: near the head of Spring Creek, ca 6 air mi S of Cody. In a drying stock pond. 5500 ft. 44.43694° N, 109.04806° W; uncertainty 1 mi. T52N R101W S31 44.43694 -109.04806 1 mi. N RM0304690 N 249 RM 585005 Wind River Basin RM 387486 RM0304590 Asteraceae Iva axillaris Pursh RM-105785 June Haines 4006 Georgia Haines 27 5 1984 U.S.A. Wyoming Fremont Wind River Basin: east side of Ocean Lake, just N of Ocean Drain. Sagebrush slope E of lake edge. 5234 5240 ft. 43.2075° N, 108.5672° W; uncertainty 2 mi. T3N R3E S30; also S31 43.2075 -108.5672 2 mi. Flowering and Fruiting N RM0304590 N 250 RM 585834 Haines 1985 RM 387487 RM0304583 Asteraceae Iva axillaris Pursh RM-24301 June Haines 4805 Georgia Haines 13 7 1985 U.S.A. Wyoming Natrona Pathfinder Reservoir, ca 23 3/4 air mi ENE of Muddy Gap Junction (Three Forks). Sandy beach. 5850 5950 ft. 42.5112° N, 107.0226° W; uncertainty 2 mi. T29N R85W S4; also S5 42.5112 -107.0226 2 mi. Flowering N RM0304583 N 251 RM 585905 Haines 1985 RM 387488 RM0304584 Asteraceae Iva axillaris Pursh RM-105826 June Haines 4873 18 7 1985 U.S.A. Wyoming Fremont Wind River Basin: Lake Cameahwait, ca 20 air mi ENE of Riverton, south side of appraoch of Cottonwood Drain to Lake Cameahwait. Creek bank. 4830 4870 ft. 43.2943° N, 108.2713° W T4N R5E S27 43.2943 -108.2713 Flowering N RM0304584 N 252 RM 585971 Haines 1985 RM 387489 RM0304585 Asteraceae Iva axillaris Pursh RM-105831 June Haines 4936 18 7 1985 U.S.A. Wyoming Fremont Wind River Basin: Lake Cameahwait, ca 21 air mi ENE of Riverton, N of Cottonwood Drain and northwest corner of Lake Cameawait. Moist alkali soil near creek. 4820 4860 ft. 43.2943° N, 108.2713° W; uncertainty 1 mi. T4N R5E S27 43.2943 -108.2713 1 mi. Flowering and Fruiting N RM0304585 N 253 RM 586022 Haines 1985 RM 387490 RM0304586 Asteraceae Iva axillaris Pursh RM-105841 June Haines 4987 22 7 1985 U.S.A. Wyoming Fremont Wind River Basin: Boysen Reservoir, ca 23.5 air mi NE of Riverton, west end of Cottonwood Bay. Alkali beach. 4720 4760 ft. 43.3523° N, 108.2515° W T4N R5E S2; also S11 43.3523 -108.2515 Flowering N RM0304586 N 254 RM 586440 Haines 1985 RM 387491 RM0304587 Asteraceae Iva axillaris Pursh RM-105855 June Haines 5387 7 8 1985 U.S.A. Wyoming Fremont Granite Mountain Uplift: Sweetwater River, ca 3 air mi NE of Jeffrey City. Greasewood area adjacent to meadow north of river. 6230 6340 ft. T30N R92W S36 42.52635 -107.78908 NAD 83 1 mi. N N Nat. Geog. TOPO! GJB Flowering N RM0304587 N 255 RM 586780 Haines 1985 RM 387492 RM0304588 Asteraceae Iva axillaris Pursh RM-60858 June Haines 5713 Georgia Haines 22 8 1985 U.S.A. Wyoming Fremont Sage Hen Creek, ca 9.5 air mi NE of Jeffrey City. Flood plain of creek. 6200 ft. 42.5258° N, 107.6517° W; uncertainty 1 mi. T30N R90W S31 42.5258 -107.6517 1 mi. Flowering N RM0304588 N 256 RM 588210 Haines 1986 RM 387493 RM0304589 Asteraceae Iva axillaris Pursh RM-24356 June Haines 7096 Georgia Haines 30 8 1986 U.S.A. Wyoming Fremont Sweetwater River, south of bridge across river on Agate Flats Road, ca 9.5 air mi ENE of Jeffrey City. Moist meadow beside river and moist river bank. 6180 6200 ft. 42.5112° N, 107.6321° W; uncertainty 2 mi. T29N R90W S5; also S6 42.5112 -107.6321 2 mi. N N Flowering N RM0304589 N 257 RM 600829 Bighorn Basin RM 661732 RM0304762 Asteraceae Iva axillaris Pursh RM-106743 Keith H. Dueholm 9374 Ronald L. Hartman 23 5 1980 U.S.A. Wyoming Washakie Bighorn Basin: North Butte, ca 10 air mi SW of Ten Sleep. Large shale butte, loose slopes, sagebrush on lower slopes; slopes. 5400 ft. 43.9267° N, 107.5689° W; uncertainty 1 mi. T46N R89W S30 43.9267 -107.5689 1 mi. N RM0304762 N 258 RM 601102 Bighorn Basin RM 661728 RM0304763 Asteraceae Iva axillaris Pursh RM-106757 Keith H. Dueholm 9647 Ronald L. Hartman 28 5 1980 U.S.A. Wyoming Big Horn Bighorn Basin: Ribbon Canyon, at northwest end of Sheep Mountain. Saltbush flats, shale and sandstone ridges, with barren flats; flats. 4400 ft. 44.6428° N, 108.19639° W; uncertainty 1 mi. T54N R94W S20 44.6428 -108.19639 1 mi. N RM0304763 N 259 RM 608593 Bighorn Basin RM 661734 RM0304760 Asteraceae Iva axillaris Pursh RM-106968 Ronald L. Hartman 10993 Keith H. Dueholm 23 5 1980 U.S.A. Wyoming Washakie Bighorn Basin: ca 1.5 air mi W of Ten Sleep. Shaley ridge and eroded slopes with sparsely scattered Juniperus scopulorum. 4500 ft. 44.0232° N, 107.4748° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO! T47N R89W S24; also S25 44.0232 -107.4748 NAD 83 1 mi. Y N Nat. Geog. TOPO! BEN N RM0304760 N 260 RM 608696 Bighorn Basin RM 661733 RM0304761 Asteraceae Iva axillaris Pursh RM-106972 Ronald L. Hartman 11095 Keith H. Dueholm 24 5 1980 U.S.A. Wyoming Big Horn Bighorn Basin: U.S. Hwy 16-20, 5.7 mi S of Basin. Eroded shaley slopes with scattered cottonwoods and irrigation ditch. 3900 ft. 44.3203° N, 108.0406° W; uncertainty 1 mi. T50N R93W S9 44.3203 -108.0406 1 mi. No elevation listed in field notebook. N RM0304761 N 261 RM 620873 R Jones 1991 RM Asteraceae Iva axillaris Pursh RM-107420 Ronald L. Hartman 29613 30 6 1991 U.S.A. Wyoming Fremont Owl Creek/Bridger Mountains: Bridger Mountains: Birdseye Road, ca 11 air mi N of Shoshoni. Bench and adjacent slopes with sagebrush. 5100 5200 ft. 43.3792° N, 108.0833° W T39N R94W S2 43.3792 -108.0833 N N 262 RM 637913 SE WY 1993 RM 598563 RM0304560 Asteraceae Iva axillaris Pursh RM-108292 B. E. Nelson 25468 27 5 1993 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Goshen Hole: Little Red Bill Hill and vicinity, ca 5.5 air mi W of Yoder; ca 15.5 air mi SW of Torrington. Roadside and barrow pits. 4310 4394 ft. 41.9122° N, 104.4062° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T22N R63W S3 41.9122 -104.4062 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering N RM0304560 N 263 RM 638273 SE WY 1993 RM 598562 RM0304558 Asteraceae Iva axillaris Pursh RM-108299 B. E. Nelson 25828 15 6 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ridge W of Hemingway Draw along Thirtythree Mile or County Road 110, ca 24.5 mi NW of Casper. Rolling plains with a mosaic of grassland, sagebrush-grassland, and semi-barren clay knolls, ridges, and slopes. 5560 5600 ft. 43.1496° N, 106.5742° W; uncertainty 1 mi. T37N R81W S28 43.1496 -106.5742 1 mi. Flowering N RM0304558 N 264 RM 638748 SE WY 1993 RM 598555 RM0304541 Asteraceae Iva axillaris Pursh RM-108317 B. E. Nelson 27333 23 7 1993 U.S.A. Wyoming Converse [location and coordinates withheld] Cottonwood woodland with Elaeagnus and Shepherdia. 4980 ft. Fruiting N RM0304541 N 265 RM 638840 SE WY 1993 RM 598554 RM0304530 Asteraceae Iva axillaris Pursh RM-108321 B. E. Nelson 27423 26 7 1993 U.S.A. Wyoming Platte Southern Powder River Basin/Southeastern Plains: Hartville Uplift: just N of Glendo Dam on Glendo Park Road, ca 4.2 air mi ESE of Glendo; ca 18.3 air mi NW of Guernsey. Disturbed areas in sandy grassland. 4800 4900 ft. 42.4847° N, 104.9575° W T29N R67W S18 W1/2 42.4847 -104.9575 Fruiting N RM0304530 N 266 RM 639074 SE WY 1993 RM 598561 RM0304559 Asteraceae Iva axillaris Pursh RM-108328 B. E. Nelson 27654 28 7 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Beck, North Natrona, or County Road 126, ca 2.7-3.3 air mi N of Natrona; ca 29 air mi NW of Casper. Roadside and cuts near drainage channel. 5640 5670 ft. 43.0739° N, 106.8011° W; uncertainty 1 mi. T36N R83W S21 E1/2 43.0739 -106.8011 1 mi. Flowering N RM0304559 N 267 RM 639117 SE WY 1993 RM 598560 RM0304552 Asteraceae Iva axillaris Pursh RM-108329 B. E. Nelson 27697 28 7 1993 U.S.A. Wyoming Natrona [location and coordinates withheld] Bluffs and slopes of gullies. 5650 5680 ft. Fruiting N RM0304552 N 268 RM 639279 SE WY 1993 RM 598553 RM0304540 Asteraceae Iva axillaris Pursh RM-108335 B. E. Nelson 27858 30 7 1993 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Walker Creek just N of Manning or County Road 53, ca 20 air mi NE of Douglas. Sand bars and dry stream channel. 4690 4740 ft. 43.0525° N, 105.0825° W T36N R69W S36 W1/2 43.0525 -105.0825 1 mi. N N Fruiting N RM0304540 N 269 RM 639533 SE WY 1993 RM 598552 RM0304531 Asteraceae Iva axillaris Pursh RM-108345 B. E. Nelson 28108 2 8 1993 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Hartville Uplift: Haystack Range: Hell Gap and vicinity on Whalen Canyon or County Road 202, ca 10 air mi NE of Guernsey; ca 14.5 air mi NW of Fort Laramie. Sandy meadow in ponderosa pine forest. 5060 5240 ft. 42.3982° N, 104.6416° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T28N R65W S15 S1/2 42.3982 -104.6416 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Fruiting N RM0304531 N 270 RM 640484 SE WY 1993 RM 598551 RM0304533 Asteraceae Iva axillaris Pursh RM-108383 B. E. Nelson 29047 24 8 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Goldeneye Wildlife and Recreation Area: Burlington Lake, ca 1 air mi NE of U.S. Hwy 20 & 26, ca 6 air mi E of Natrona; ca 23 air mi NW of Casper. Flats near the lake. 5500 ft. 43.0161° N, 106.7022° W; uncertainty 1 mi. T35N R82W S8 N1/2 43.0161 -106.7022 1 mi. Fruiting N RM0304533 N 271 RM 640501 SE WY 1993 RM 598550 RM0304532 Asteraceae Iva axillaris Pursh RM-108384 B. E. Nelson 29063 24 8 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Middle Fork Casper Creek on Oil Camp or County Road 210, ca 2 mi W of the north end of Pine Mountain, ca 3 air mi SSE of Powder River; ca 34.5 air mi WNW of Casper. In drying stream channel, low areas, and adjacent banks. 5760 ft. 42.9927° N, 106.9578° W; uncertainty 1 mi. T35N R84W S19 42.9927 -106.9578 1 mi. Fruiting N RM0304532 N 272 RM 640547 SE WY 1993 RM 598549 RM0304535 Asteraceae Iva axillaris Pursh RM-108385 B. E. Nelson 29109 24 8 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Poison Spider Creek on Poison Spider or County Road 201 between Emigrant Gap Ridge and Oil Mountain, ca 18.5 air mi W of Casper. Sand bars, stream bank, and low moist benches. 5500 5560 ft. 42.8286° N, 106.6839° W; uncertainty 0.5 mi. T33N R82W S16 SE1/4 42.8286 -106.6839 1 mi. Fruiting N RM0304535 N 273 RM 640591 SE WY 1993 RM 598548 RM0304537 Asteraceae Iva axillaris Pursh RM-108386 B. E. Nelson 29153 25 8 1993 U.S.A. Wyoming Natrona [location and coordinates withheld] Marshy area in the river bottom. 5120 ft. Fruiting N RM0304537 N 274 RM 640631 SE WY 1993 RM 598547 RM0304547 Asteraceae Iva axillaris Pursh RM-108389 B. E. Nelson 29193 26 8 1993 U.S.A. Wyoming Converse [location and coordinates withheld] Parking lot. 4760 ft. Fruiting N RM0304547 N 275 RM 6434 Taylor, Amy 1998 RM 666779 RM0304637 Asteraceae Iva axillaris Pursh RM-471 Amy J. Roderick 5497 24 6 1998 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: Stone Cabin Creek crossing Poison Spider or County Road 201, ca 38 air mi NW of Alcova townsite. Gravelly roadside; disturbed. 6340 6400 ft. 42.8584° N, 107.3358° W T33N R88W S1 42.8584 -107.3358 Flowering and Fruiting N RM0304637 N 276 RM 644652 SE WY 1994 RM 704723 RM0304529 Asteraceae Iva axillaris Pursh RM-108555 B. E. Nelson 33696 Tim Chumley and Robbin Romberg 9 8 1994 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Rasmus Lee Lake ca 3 air mi W of Bessemer Mountain, ca 17 air mi WSW of Casper. Flats near the lake with alkali areas. 5390 5440 ft. 42.7397° N, 106.6092° W T32N R82W S13 SW1/4 42.7397 -106.6092 Flowering and Fruiting N RM0304529 N 277 RM 645893 RMHERB1 RM Asteraceae Iva axillaris Pursh RM-108664 Robert D. Dorn 5967 8 6 1995 U.S.A. Wyoming Big Horn 1 mi N of Lucerne. Roadside with Polygonum and Kochia. 4300 ft. 43.749° N, 108.1654° W T44N R94W S29 W1/2 of W1/2 of W1/2 43.749 -108.1654 N N 278 RM 646332 RMHERB1 RM Asteraceae Iva axillaris Pursh RM-108910 Robert D. Dorn 6591 1 9 1995 U.S.A. Wyoming Sublette 10 mi S of Boulder. Roadside with Agropyron and Grindelia. 7200 ft. 42.5999° N, 109.705° W; uncertainty 1 mi. T30N R108W S3 N1/2 of N1/2 42.5999 -109.705 1 mi. N N 279 RM 646818 SE WY 1993 RM 598546 RM0304536 Asteraceae Iva axillaris Pursh RM-145 Ronald L. Hartman 38110 23 6 1993 23 Jun 93 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Emigrant Gap Ridge, ca 12 air mi W of Casper. Sandy and shaly areas with ponderosa pine on ridges. 5548 5580 ft. 42.8533° N, 106.5578° W; uncertainty 1 mi. T33N R81W S4 E1/4 42.8533 -106.5578 1 mi. N N Flowering and Fruiting N RM0304536 N 280 RM 646842 SE WY 1993 RM 598545 RM0304534 Asteraceae Iva axillaris Pursh RM-146 Ronald L. Hartman 38141 23 6 1993 23 Jun 93 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Poison Spider Oil Field, ca 24 air mi W of Casper. Sandy slopes and flats with sandstone outcrops in uplands with ponderosa pine. 5700 5900 ft. 42.8615° N, 106.7752° W; uncertainty 0.5 mi. T33N R83W S3 NE1/4 42.8615 -106.7752 1 mi. N N Flowering and Fruiting N RM0304534 N 281 RM 646982 SE WY 1993 RM 598559 RM0304555 Asteraceae Iva axillaris Pursh RM-149 Ronald L. Hartman 38433 24 6 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: north end of Pine Mountain. Ponderosa pine rimmed mesa. 6200 6600 ft. 42.9779° N, 106.88° W; uncertainty 2 mi. T35N R84W S26 N1/2; also NE1/4 S27, SE1/4 S23 42.9779 -106.88 2 mi. N N Flowering and Fruiting N RM0304555 N 282 RM 646997 SE WY 1993 RM 598544 RM0304539 Asteraceae Iva axillaris Pursh RM-150 Ronald L. Hartman 38457 26 6 1993 26 Jun 93 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyo Hwy 253, ca 9 air mi SE of Casper. Wide right-of-way with road cut and relatively undistrubed grasslands along fence and drainage with cottonwood and willow. 5420 ft. 42.7612° N, 106.143° W; uncertainty 0.5 mi. T32N R78W S12 NW1/4 42.7612 -106.143 1 mi. N N Flowering and Fruiting N RM0304539 N 283 RM 647037 SE WY 1993 RM 598543 RM0304538 Asteraceae Iva axillaris Pursh RM-151 Ronald L. Hartman 38528 26 6 1993 26 Jun 93 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, 87, ca 8 air mi E of Casper. Sandstone outcrops, sandy slopes and grassland. 5200 5250 ft. 42.8501° N, 106.1701° W; uncertainty 1 mi. T33N R78W S2 SE1/4; also N1/2 S11 42.8501 -106.1701 1 mi. N N Flowering and Fruiting N RM0304538 N 284 RM 647146 SE WY 1993 RM 598542 RM0304542 Asteraceae Iva axillaris Pursh RM-155 Ronald L. Hartman 38745 27 6 1993 27 Jun 93 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyoming Game and Fish Access on North Platte River, ca 6.5 air mi E of Glenrock. Riverside and sandy parking lot and flats slightly uphill. 4920 ft. 42.8404° N, 105.7459° W; uncertainty 0.5 mi. T33N R74W S9 South1/2 42.8404 -105.7459 1 mi. Y Y Nat. Geog. TOPO! NSM Fruiting N RM0304542 N 285 RM 647181 SE WY 1993 RM 598541 RM0304543 Asteraceae Iva axillaris Pursh RM-156 Ronald L. Hartman 38808 27 6 1993 27 Jun 93 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyoming Game and Fish Access area along the North Platte River in vicinity of Carey, ca 10 air mi E of Glenrock. River margin and sandy flats and slopes. 4927 ft. 42.8568° N, 105.6681° W; uncertainty 0.5 mi. T33N R73W S6 W1/2 42.8568 -105.6681 1 mi. Y Y Nat. Geog. TOPO! NSM Flowering and Fruiting N RM0304543 N 286 RM 647414 SE WY 1993 RM 598536 RM0304546 Asteraceae Iva axillaris Pursh RM-109322 Ronald L. Hartman 39089 29 6 1993 U.S.A. Wyoming Converse [location and coordinates withheld] Sandy plains and road cut. 4800 4900 ft. Flowering N RM0304546 N 287 RM 647671 SE WY 1993 RM 598535 RM0304545 Asteraceae Iva axillaris Pursh RM-109328 Ronald L. Hartman 39332 1 7 1993 U.S.A. Wyoming Converse [location and coordinates withheld] River margin and banks. 4800 4900 ft. Fruiting N RM0304545 N 288 RM 647705 SE WY 1993 RM 598558 RM0304553 Asteraceae Iva axillaris Pursh RM-109328 Ronald L. Hartman 39366 1 7 1993 U.S.A. Wyoming Converse [location and coordinates withheld] River margin and banks. 4800 4900 ft. Flowering N RM0304553 N 289 RM 647743 SE WY 1993 RM 598534 RM0304544 Asteraceae Iva axillaris Pursh RM-109329 Ronald L. Hartman 39404 1 7 1993 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 4 air mi SSE of Douglas. Sandstone outcrop and sandy slope. 4800 4900 ft. 42.7003° N, 105.3539° W T32N R71W S34 SW1/4 42.7003 -105.3539 N N Fruiting N RM0304544 N 290 RM 648463 SE WY 1993 RM 598181 RM0304548 Asteraceae Iva axillaris Pursh RM-109344 Ronald L. Hartman 40119 4 7 1993 U.S.A. Wyoming Converse [location and coordinates withheld] Sandy soil along river and railroad. 4700 ft. Flowering and Fruiting N RM0304548 N 291 RM 648515 SE WY 1993 RM 598180 RM0304550 Asteraceae Iva axillaris Pursh RM-109346 Ronald L. Hartman 40169 T. W. Nelson 6 7 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, less than 1 air mi E of Fremont County. Alkaline draw with sandy slopes. 5580 ft. 43.1483° N, 107.5067° W T37N R89W S27 S 1/2 43.1483 -107.5067 Fruiting N RM0304550 N 292 RM 648801 SE WY 1993 RM 598557 RM0304554 Asteraceae Iva axillaris Pursh RM-109353 Ronald L. Hartman 40452 T. W. Nelson 6 7 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 6 air mi NW of Arminto. Sandy-rocky slope and eroded drainage areas. 6230 ft. 43.2492° N, 107.3267° W; uncertainty 1 mi. T38N R87W S19 SE1/4; and also NE1/4 S30 43.2492 -107.3267 1 mi. Fruiting N RM0304554 N 293 RM 648820 SE WY 1993 RM 298179 Asteraceae Iva axillaris Pursh RM-109354 Ronald L. Hartman 40471 Thomas W. Nelson 6 7 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 10 air mi SW of Waltman along Powder River. Sandy slopes and sandstone outcrop with juniper. 6400 ft. 42.9483° N, 107.3494° W; uncertainty 1 mi. T34N R88W S2 SW1/4; also NW1/4 S11 42.9483 -107.3494 1 mi. N N Fruiting N N 294 RM 650577 Cramer 1994 RM 632410 RM0304522 Asteraceae Iva axillaris Pursh RM-109435 Ronald L. Hartman 48656 29 7 1994 U.S.A. Wyoming Sweetwater Green River Basin: Eden Reservoir, south side, ca 8.5 air mi NE of Farson. Reservoir margin and edge of canal. 6700 ft. 42.215° N, 109.3761° W; uncertainty 2 mi. T26N R105W S19; also S20 42.215 -109.3761 2 mi. Flowering N RM0304522 N 295 RM 653425 Cramer 1994 RM 642783 RM0304519 Asteraceae Iva axillaris Pursh RM-109530 Thomas Cramer 2667 31 7 1994 U.S.A. Wyoming Sublette Green River Basin: McNinch Reservoirs 1 and 2, ca 8.5 air mi NW of Big Piney. Reservoir edge, meadows, and sagebrush with outflow stream meadowed edges. 7150 ft. 42.6008° N, 110.2689° W T30N R113W S11 E1/4; also W1/2 S12 42.6008 -110.2689 1 mi. Flowering N RM0304519 N 296 RM 653567 Cramer 1994 RM Asteraceae Iva axillaris Pursh RM-109534 Thomas Cramer 2791 4 8 1994 U.S.A. Wyoming Lincoln Green River Basin: south side of Fontenelle Gap, ca 15 air mi W of Fontenelle Reservoir. Hillside sagebrush and Douglas fir stands. 7000 7880 ft. 42.0931° N, 110.3969° W; uncertainty 2 mi. T24N R115W S1 SW1/4; also S2 42.0931 -110.3969 2 mi. Flowering N N 297 RM 653590 Cramer 1994 RM 642782 RM0304518 Asteraceae Iva axillaris Pursh RM-109535 Thomas Cramer 2811 4 8 1994 U.S.A. Wyoming Lincoln Green River Basin: Fontenelle Reservoir at Fontenelle Creek entrance, ca 6.5 air mi NW of Fontenelle Dam. Reservoir edge, flats, sagebrush and rabbitbrush, and willow lined dry irrigation ditch. 6500 ft. 42.0906° N, 110.145° W; uncertainty 1 mi. T24N R112W S5; also SE1/4 S6 42.0906 -110.145 1 mi. Flowering N RM0304518 N 298 RM 653683 Cramer 1994 RM 632408 RM0304514 Asteraceae Iva axillaris Pursh RM-109536 Thomas Cramer 2894 4 8 1994 U.S.A. Wyoming Sublette Green River Basin: edge of Green River, ca 1 air mi N of La Barge. Riverside mudflats, meadows, and willows. 6580 ft. 42.274° N, 110.1913° W; uncertainty 0.5 mi. T27N R112W S31 SE1/4; also SW1/4 S32 42.274 -110.1913 1 mi. Flowering N RM0304514 N 299 RM 654030 Cramer 1994 RM 632407 RM0304515 Asteraceae Iva axillaris Pursh RM-109542 Thomas Cramer 3192 8 8 1994 U.S.A. Wyoming Lincoln Green River Basin: County Road 315, ca 1 air mi SE of Viola. Roadside meadows and willow lined ditches between irrigated fields. 7075 ft. 42.2542° N, 110.345° W T26N R114W S11 NW1/4 42.2542 -110.345 Flowering N RM0304515 N 300 RM 654720 So Salt River Range RM Asteraceae Iva axillaris Pursh RM-109553 Thomas Cramer 3806 14 8 1994 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Lake Viva Naughton, ca 13 air mi NNW of Kemmerer. Reservoir edge, meadows, and sagebrush. 7250 ft. 41.9583° N, 110.6567° W; uncertainty 1 mi. T23N R117W S23 NE1/4; also SE1/4 S14 41.9583 -110.6567 1 mi. Flowering N N 301 RM 654819 Cramer 1994 RM Asteraceae Iva axillaris Pursh RM-109556 Thomas Cramer 4044 15 8 1994 U.S.A. Wyoming Lincoln Green River Basin: Slate Creek, ca 7 air mi W of Fontenelle. Alkali creek flats, meadows with assorted Chenopodiaceae, and adjacent semi-barren bluff. 6550 6750 ft. 41.9742° N, 110.1969° W T23N R113W S14 41.9742 -110.1969 Flowering N N 302 RM 655056 Cramer 1994 RM 632406 RM0304516 Asteraceae Iva axillaris Pursh RM-109563 Thomas Cramer 4251 Ben and Becky Cramer 21 8 1994 U.S.A. Wyoming Sublette Green River Basin: Chimney Butte Reservoir, ca 13 air mi N of La Barge. Drying reservoir and surrounding sagebrush flats. 6950 ft. 42.4411° N, 110.1983° W; uncertainty 1 mi. T28N R112W S6 NE1/4; also T29N R112W SE1/4 S33 42.4411 -110.1983 1 mi. Flowering N RM0304516 N 303 RM 655080 Cramer 1994 RM 632405 RM0304517 Asteraceae Iva axillaris Pursh RM-109564 Thomas Cramer 4272 Ben and Becky Cramer 21 8 1994 U.S.A. Wyoming Sublette Green River Basin: Green River, ca 9 air mi S of Big Piney. Riverside meadows, sagebrush, and sagebrush bluff. 6650 ft. 42.4086° N, 110.1003° W; uncertainty 0.5 mi. T28N R112W S13 SW1/4 42.4086 -110.1003 1 mi. Flowering N RM0304517 N 304 RM 655217 Cramer 1994 RM 632404 RM0304523 Asteraceae Iva axillaris Pursh RM-109566 Thomas Cramer 4391 Ben and Becky Cramer 21 8 1994 U.S.A. Wyoming Sweetwater Green River Basin: Big Sandy River at Gasson Bridge, ca 20 air mi E of Fontenelle Dam. Riverside meadows, sagebrush, and open hillsides. 6350 ft. 41.9422° N, 109.6764° W; uncertainty 0.5 mi. T23N R108W S29 NW1/4 41.9422 -109.6764 1 mi. Flowering N RM0304523 N 305 RM 655250 Cramer 1994 RM 632403 RM0304524 Asteraceae Iva axillaris Pursh RM-109567 Thomas Cramer 4420 Ben and Becky Cramer 21 8 1994 U.S.A. Wyoming Sweetwater Green River Basin: Big Sandy River, ca 1 air mi SW of Farson. Riverside meadows, sagebrush, and open hillsides. 6570 ft. 42.0981° N, 109.46° W T25N R106W S33 South1/2 42.0981 -109.46 Flowering N RM0304524 N 306 RM 655367 Cramer 1994 RM 632402 RM0304521 Asteraceae Iva axillaris Pursh RM-109569 Thomas Cramer 4525 Ronald L. Hartman 23 8 1994 U.S.A. Wyoming Lincoln Green River Basin: Green River, ca 6 air mi S of La Barge. Riverside meadows and willows. 6510 ft. 42.1747° N, 110.1829° W; uncertainty 0.5 mi. T25N R112W S5 SW1/4 42.1747 -110.1829 1 mi. Flowering N RM0304521 N 307 RM 655563 Cramer 1994 RM 632401 RM0304520 Asteraceae Iva axillaris Pursh RM-109574 Thomas Cramer 4864 25 8 1994 U.S.A. Wyoming Sublette Green River Basin: Muddy Creek, ca 8 air mi NNE of Big Piney. Winding creek through Sarcobatus saltflats. 6850 ft. 42.6089° N, 110.0553° W T30N R111W S3 NW1/4; also NE1/4 S4 42.6089 -110.0553 Flowering N RM0304520 N 308 RM 6556 Taylor, Amy 1998 RM 666777 RM0304715 Asteraceae Iva axillaris Pursh RM-474 Amy J. Roderick 5617 27 6 1998 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: Platte River Parkway, ca 0.3 air mi N of Wyo Hwy 220; ca 1 air mi S of Mills. Thickets along river and adjacent gravelly areas; canary grass common. 5100 ft. 42.8292° N, 106.3719° W T33N R79W S18 42.8292 -106.3719 Flowering N RM0304715 N 309 RM 657864 Cramer 1995 RM 638198 RM0304673 Asteraceae Iva axillaris Pursh RM-109740 Thomas Cramer 7010 Ronald L. Hartman 25 6 1995 U.S.A. Wyoming Sublette Green River Basin: North Alkali Draw, ca 15 air mi E of Big Piney. Sandy draw off of butte with scattered sagebrush. 7150 ft. 42.5266° N, 109.8419° W T30N R109W S33 S1/2 42.5266 -109.8419 Flowering N RM0304673 N 310 RM 658077 Cramer 1995 RM 638197 RM0304672 Asteraceae Iva axillaris Pursh RM-109749 Thomas Cramer 7197 5 7 1995 U.S.A. Wyoming Lincoln Green River Basin: south end of Slate Creek Ridge, ca 11.5 air mi NNE of Kemmerer. Wet meadow draw with sagebrush sides and shrub islands. 7100 7500 ft. 41.9413° N, 110.4544° W T23N R115W S27 South1/2 41.9413 -110.4544 N N Flowering N RM0304672 N 311 RM 658255 Cramer 1995 RM 638196 RM0304671 Asteraceae Iva axillaris Pursh RM-109759 Thomas Cramer 7356 5 7 1995 U.S.A. Wyoming Lincoln Green River Basin: south end of Fontenelle Reservoir, ca 2 air mi NW of Fontenelle Dam. Reservoir edge sand bars and weedy meadows. 6500 ft. 42.0455° N, 110.0873° W T24N R112W S23 SW1/4 42.0455 -110.0873 Flowering N RM0304671 N 312 RM 658355 Cramer 1995 RM 638195 RM0304670 Asteraceae Iva axillaris Pursh RM-109764 Thomas Cramer 7441 7 7 1995 U.S.A. Wyoming Sublette Green River Basin: ca 11.5 air mi SW of Boulder. Sagebrush draw off of mesa top. 7200 7300 ft. 42.6439° N, 109.881° W; uncertainty 0.5 mi. T31N R109W S19 SW1/4 42.6439 -109.881 1 mi. Flowering N RM0304670 N 313 RM 658588 Cramer 1995 RM 638194 RM0304669 Asteraceae Iva axillaris Pursh RM-109774 Thomas Cramer 7786 Jane T. Kellett 11 7 1995 U.S.A. Wyoming Lincoln Green River Basin: ca 13 air mi N of Opal. Roadside amid sagebrush flats. 6760 ft. 41.9562° N, 110.2612° W; uncertainty 0.5 mi. T23N R113W S20 SE1/4 41.9562 -110.2612 1 mi. Flowering N RM0304669 N 314 RM 659549 Cramer 1995 RM 638193 RM0304668 Asteraceae Iva axillaris Pursh RM-109813 Thomas Cramer 8630 20 7 1995 U.S.A. Wyoming Sublette Green River Basin: ca 10 air mi SW of Daniel. Creekside meadows with willows. 7280 ft. 42.7598° N, 110.192° W T32N R112W S16 NW1/4 42.7598 -110.192 Flowering N RM0304668 N 315 RM 659988 Cramer 1995 RM 638192 RM0304667 Asteraceae Iva axillaris Pursh RM-109831 Thomas Cramer 9016 Jane T. Kellett 22 7 1995 U.S.A. Wyoming Sublette Green River Basin: Red Canyon, ca 18.5 air mi WNW of Big Piney. Steep gravel canyonside with sparse sagebrush. 8150 8200 ft. 42.6728° N, 110.404° W; uncertainty 1 mi. T31N R114W S15 W1/4 42.6728 -110.404 1 mi. Flowering N RM0304667 N 316 RM 660152 Cramer 1995 RM 638191 RM0304666 Asteraceae Iva axillaris Pursh RM-109836 Thomas Cramer 9157 Jane T. Kellett 23 7 1995 U.S.A. Wyoming Sublette Green River Basin: Water Hole Draw at Big Sandy River, ca 23.5 air mi N of Farson. Clay alkaline sides of draw bottom. 6900 ft. 42.4532° N, 109.4509° W T29N R106W S26 SE1/4 42.4532 -109.4509 Flowering N RM0304666 N 317 RM 661614 SE WY 1993 RM 598556 RM0304551 Asteraceae Iva axillaris Pursh RM-110020 B. E. Nelson 25177 24 5 1993 U.S.A. Wyoming Weston Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Lone Tree Creek off the Morrissey Road just W of U.S. Hwy 85, ca 23 air mi S of Newcastle. Sagebrush-grassland with sparsely vegetated knolls. 3810 3840 ft. 43.5175° N, 104.2106° W; uncertainty 1 mi. T41N R61W S20 43.5175 -104.2106 1 mi. Flowering and Fruiting N RM0304551 N 318 RM 66254 Elliott, Brian 1998 RM 831409 Asteraceae Iva axillaris Pursh RM-12918 Brian Elliott 157 25 5 1998 U.S.A. Colorado Huerfano Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: junction of County Road 610 and I-25 at Exit 59 on Interstate right of way. Prairie-grassland. 6150 ft. 37.7113° N, 104.82° W T27S R66W S7 SE1/4 37.7113 -104.82 Flowering N N 319 RM 671337 Dueholm 1978 RM 325653 RM0304611 Asteraceae Iva axillaris Pursh RM-106533 Keith H. Dueholm 4699 24 7 1978 U.S.A. Wyoming Crook [location and coordinates withheld] Sagebrush plains, shallow drainageways, gravel roadside and wet ditch; wet ditch. 4300 ft. Flowering and Fruiting N RM0304611 N 320 RM 671607 Dueholm 1978 RM 325663 RM0304610 Asteraceae Iva axillaris Pursh RM-110969 Keith H. Dueholm 5009 26 7 1978 U.S.A. Wyoming Crook Powder River Basin: near Little Missouri River, ca 8 air mi NNE of New Haven. Plains, flats near river, muddy margins of large holding pond; plains, cut near river. 3700 ft. 44.8567° N, 104.80194° W; uncertainty 1 mi. T56N R66W S8 44.8567 -104.80194 1 mi. Fruiting N RM0304610 N 321 RM 671696 Dueholm 1979 RM 333516 RM0304616 Asteraceae Iva axillaris Pursh RM-110974 Keith H. Dueholm 7069 19 6 1979 U.S.A. Wyoming Weston [location and coordinates withheld] Sagebrush plain, clay slopes, draws; plains. 4000 ft. Buds N RM0304616 N 322 RM 671740 Dueholm 1979 RM 333545 RM0304617 Asteraceae Iva axillaris Pursh RM-106648 Keith H. Dueholm 7289 23 6 1979 U.S.A. Wyoming Weston Powder River Basin: above Oil Creek, ca 6 air mi SSW of Newcastle. Rolling plain, greasewood flats above creek; flats. 3900 ft. 43.7491° N, 104.2494° W; uncertainty 1 mi. T44N R62W S36 43.7491 -104.2494 1 mi. Buds N RM0304617 N 323 RM 672626 Marriott 1983 RM 372835 RM0304608 Asteraceae Iva axillaris Pursh RM-107144 Ronald L. Hartman 15848 11 7 1983 U.S.A. Wyoming Crook Black Hills: Belle Fourche River: ca 16 air mi NE of Alva. Shale bluffs, river bottoms, and sagebrush plains above; shale slopes. 3250 ft. 44.8725° N, 104.2244° W; uncertainty 1 mi. T56N R61W S6 44.8725 -104.2244 1 mi. Flowering and Fruiting N RM0304608 N 324 RM 674161 Powder River Basin RM 372834 RM0304609 Asteraceae Iva axillaris Pursh RM-107180 Ronald L. Hartman 18235 15 7 1984 U.S.A. Wyoming Crook Powder River Basin: just E of U.S. Hwy 14 on Old Sundance Road, 4 air mi NE of Moorcroft. Rolling sagebrush hills and moist drainages; roadside. 4200 ft. 44.3156° N, 104.91111° W; uncertainty 1 mi. T50N R67W S16 44.3156 -104.91111 1 mi. N N Flowering N RM0304609 N 325 RM 675195 WY Black Hills RM 192863 RM0304791 Asteraceae Iva axillaris Pursh RM-111833 J.M. Bates s.n. 17 6 1896 U.S.A. Wyoming Crook Newcastle. Flowering and Fruiting N RM0304791 N 326 RM 676257 RMHERB1 RM 337375 RM0304577 Asteraceae Iva axillaris Pursh RM-112506 Andrew Warren 118 1 7 1981 U.S.A. Wyoming Sweetwater Monument Lake; 11 to 12 air mi N of Wamsutter. Growing in clay loam of Playa with Atriplex suckleyi. 6675 ft. T22N R93W S31 Flowering and Fruiting N RM0304577 N 327 RM 676314 RMHERB1 RM 335147 RM0304578 Asteraceae Iva axillaris Pursh RM-112542 Ann Aldrich 488 19 7 1979 U.S.A. Wyoming Sweetwater NE of Cedar Mountain; ca 34.5 air mi SW of Green River and 10.5 air mi N of McKinnon. Shallow loamy soil in a pond edge in a meadow with Polygonum aviculare, Rumex and Hordeum jubatum. 7740 ft. T14N R11W S20; E1/2 S 20 Flowering and Fruiting N RM0304578 N 328 RM 676560 RMHERB1 RM 10630 RM0304789 Asteraceae Iva axillaris Pursh RM-34793 Aven Nelson 3525 2 6 1897 U.S.A. Wyoming Sweetwater Bitter Creek. 6700 ft. 41.5535° N, 108.5526° W; uncertainty 2 mi. T18N R99W S10 41.5535 -108.5526 2 mi. Y Y Flowering and Fruiting N RM0304789 N 329 RM 676619 RMHERB1 RM 3076 RM0304783 Asteraceae Iva axillaris Pursh RM-112697 Aven Nelson 476 14 7 1894 U.S.A. Wyoming Park Platte River. Flowering N RM0304783 N 330 RM 676765 RMHERB1 RM 29359 RM0304782 Asteraceae Iva axillaris Pursh RM-35733 Aven Nelson 7595 16 7 1900 U.S.A. Wyoming Albany Dunn's Ranch. On loose banks. Flowering N RM0304782 N 331 RM 677170 RMHERB1 RM 302289 RM0304576 Asteraceae Iva axillaris Pursh RM-112924 Barry Hammel 661 Ronald L. Hartman 4 9 1977 U.S.A. Wyoming Carbon 0.8 mi from Elk Mountain/I-80 turnoff along Rattlesnake Road. Common in disturbed ground along road with Cleome serrulata. 7300 ft. T19N R81W S2 Flowering and Fruiting N RM0304576 N 332 RM 677414 RMHERB1 RM 69735 RM0304785 Asteraceae Iva axillaris Pursh RM-113088 Elam Bartholomew 4623 24 8 1911 U.S.A. Wyoming Albany Rock River. Flowering and Fruiting N RM0304785 N 333 RM 677566 RMHERB1 RM 32486 RM0304557 Asteraceae Iva axillaris Pursh RM-40351 Elmer D. Merrill 711 E. N. Wilcox 1 7 1901 U.S.A. Wyoming Sweetwater Near North Pilot Butte. Dry soi. 7500 7900 ft. 41.6461 -109.3492 NAD 83 1 mi. Y N Nat. Geog. TOPO! LSB Flowering N RM0304557 N 334 RM 677700 RMHERB1 RM 268628 RM0304580 Asteraceae Iva axillaris Pursh RM-113219 Francis X. Jozwik 348 24 8 1962 U.S.A. Wyoming Natrona Casper Mountain Area: roadside of Gothmore Loop. 6300 ft. Flowering and Fruiting N RM0304580 N 335 RM 678656 RMHERB1 RM 566245 RM0304567 Asteraceae Iva axillaris Pursh RM-48740 Neil Snow 5741 28 8 1989 U.S.A. Wyoming Albany County Road 37, ca 1.5 mi S of Wyo Hwy 230. Roadside with Helenium, Agropyron, Ambrosia and Alopecurus. 7200 ft. T14N R75W S12 N N Flowering and Fruiting N RM0304567 N 336 RM 678672 RMHERB1 RM 193976 RM0304786 Asteraceae Iva axillaris Pursh RM-113717 Otto Degener 16133 Leroy Peiler 13 7 1942 U.S.A. Wyoming Carbon Rawlins. Prairie. 6000 7000 ft. Flowering and Fruiting N RM0304786 N 337 RM 678688 RMHERB1 USFS 402313 USFS0071939 Asteraceae Iva axillaris Pursh RM-113731 Philip V. Woodhead 31 26 6 1926 U.S.A. Wyoming Carbon Routt National Forest: 15 mi N of Baggs. Level slope; sandy soil; sesert; sagebrush type. 6800 ft. T15N R92W Flowering and Fruiting N USFS0071939 N 338 RM 678790 RMHERB1 RM 391445 RM0304787 Asteraceae Iva axillaris Pursh RM-49946 Robert J. Hill 1339 23 8 1973 U.S.A. Wyoming Natrona Split Rock: near the Split Rock Ranch. Growing in dry soil on and around the rocks. 6500 ft. T29N R89W S16 Flowering and Fruiting N RM0304787 N 339 RM 678795 RMHERB1 RM 391446 RM0304574 Asteraceae Iva axillaris Pursh RM-49947 Robert J. Hill 1370 23 8 1973 U.S.A. Wyoming Natrona Devils Gate, Sweetwater River near the Sun Bell Ranch. Growing along the river. 6000 ft. T29N R87W S25 Flowering and Fruiting N RM0304574 N 340 RM 678865 RMHERB1 RM 330907 RM0304575 Asteraceae Iva axillaris Pursh RM-113832 R. N. Holmes 381 4 8 1980 U.S.A. Wyoming Carbon Red Desert: Mud Lake. Mud flats of lake. 6740 ft. T18N R94W S8 NE1/4 Flowering and Fruiting N RM0304575 N 341 RM 678933 RMHERB1 RM 530816 RM0304565 Asteraceae Iva axillaris Pursh RM-113876 Robert D. Dorn 4955 11 8 1988 U.S.A. Wyoming Laramie 3 mi SW of Cheyenne. Disturbed roadside with Sporobolus, Kochia. 6200 ft. 41.838° N, 104.8719° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T13N R67W S22 NE1/4 41.838 -104.8719 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering N RM0304565 N 342 RM 678997 RMHERB1 RM 299069 RM0304566 Asteraceae Iva axillaris Pursh RM-113920 Robert L. Tresler 399 6 1968 U.S.A. Wyoming Natrona 15 mi NW of Casper. Roadside. Flowering N RM0304566 N 343 RM 679027 RMHERB1 RM 153700 RM0304564 Asteraceae Iva axillaris Pursh RM-113940 Robert L. Lang s.n. 16 7 1936 U.S.A. Wyoming Sweetwater 6 mi S of Wamsutter. 6700 ft. Flowering N RM0304564 N 344 RM 679265 RMHERB1 RM 366189 RM0304579 Asteraceae Iva axillaris Pursh RM-56597 Steve Kilpatrick RH 233 J. L. Robinson 9 6 1982 U.S.A. Wyoming Goshen Wyoming Game and Fish Department's Rawhide unit along the North Platte River, ca 3.3 air mi SE of Lingle, ca 6.8 air mi WNW of Torrington. Gravelly soil in riparian habitat. 4100 ft. 42.1007° N, 104.306° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T25N R62W S33 NE1/4 NE1/4 42.1007 -104.306 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N RM0304579 N 345 RM 679285 RMHERB1 RM 68492 RM0304784 Asteraceae Iva axillaris Pursh RM-56750 T. A. Williams s.n. U.S.A. Wyoming Niobrara Cheyenne River. Flowering and Fruiting N RM0304784 N 346 RM 6806 Taylor, Amy 1998 RM 666778 RM0304638 Asteraceae Iva axillaris Pursh RM-481 Amy J. Roderick 5846 6 7 1998 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: East Allen Lake, ca 1 air mi W of County Road 1; ca 1.5 air mi S of Medicine Bow townsite. Greasewood-saltbush flats; disturbed. 6500 ft. 41.8785° N, 106.2169° W T22N R78W S18 SE1/4 41.8785 -106.2169 Flowering and Fruiting N RM0304638 N 347 RM 683835 Pryors 2008 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Ronald L. Hartman. RM-115474 B. E. Nelson 76375 15 8 2008 U.S.A. Montana Carbon Bighorn Basin: along a tributary of South Fork Bridger Creek just W of Pryor Mountain Road, ca 8 air mi SE of Bridger. Bottom of a dry wash. 4140 4340 ft. 45.207° N, 108.8155° W; uncertainty 0.5 mi., GPS reading T7S R24E S20 SW1/4 45.207 -108.8155 1 mi. GPS reading Flowering N 348 RM 698039 Kuhn 2007 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Ronald L. Hartman. RM-114493 Ronald L. Hartman 84948 Bernadette Kuhn, Laura E. Lukas 26 5 2007 U.S.A. Colorado Las Animas Comanche National Grassland: Plum Creek, 8.5 air mi W of Kim. Rolling grasslands with stockponds. 5740 ft. 37.2591° N, 103.5185° W; GPS Reading T32S R54W S18 W1/2 37.2591 -103.5185 NAD 83 GPS Reading Flowering N 349 RM 699751 Kuhn 2008 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Bernadette Kuhn. RM-114571 Bernadette Kuhn 5043 9 6 2008 U.S.A. Colorado Otero [location and coordinates withheld] Dry creek dominated by Tamarix and Iva axillaris. 4298 ft. Flowering and Fruiting N 350 RM 699982 Kuhn 2008 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Bernadette Kuhn. RM-114583 Bernadette Kuhn 5274 19 6 2008 U.S.A. Colorado Otero Comanche National Grassland: Timpas Creek, just N of U.S. Hwy 350 and Bloom, ca 13 air mi SW of Timpas. Scattered Populus and Juniperus monosperma; creek with Juncus sp. and Eleocharis sp. 4760 ft. 37.6942° N, 103.9573° W; NAD 83, , GPS Reading T27S R58W S13 SW1/4 37.6942 -103.9573 NAD 83 GPS Reading Flowering and Fruiting N 351 RM 700301 Kuhn 2008 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Bernadette Kuhn. RM-114601 Bernadette Kuhn 5593 Cali Hemenway 24 6 2008 U.S.A. Colorado Las Animas Comanche National Grassland: ca 1-1.5 air mi W of Kim on County Road 36. Elm grove along road with heavy cover of Convolvulus arvensis. 5811 ft. 37.2496° N, 103.3828° W; NAD 83, , GPS Reading T32S R53W S20 37.2496 -103.3828 NAD 83 GPS Reading Flowering and Fruiting N 352 RM 700320 Kuhn 2008 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Bernadette Kuhn. RM-114602 Bernadette Kuhn 5612 Cali Hemenway 24 6 2008 U.S.A. Colorado Las Animas [location and coordinates withheld] At grove of Eleagnus and Ulmus with overflowing well. 5471 ft. Flowering and Fruiting N 353 RM 700961 Kuhn 2008 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Bernadette Kuhn. RM-114639 Bernadette Kuhn 6253 8 7 2008 U.S.A. Colorado Otero Comanche National Grassland: ca 4 air mi NNW of Delhi; ca 34 air mi SW of La Junta. At contructed fishing ponds with low water and heavy cover of Tamarix. 5038 ft. 37.6974° N, 104.0485° W; NAD 83, , GPS Reading T27S R59W S18 N1/2; also S7 South1/2 37.6974 -104.0485 NAD 83 GPS Reading Vegetative N 354 RM 701008 Kuhn 2008 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Bernadette Kuhn. RM-114641 Bernadette Kuhn 6300 9 7 2008 U.S.A. Colorado Otero Comanche National Grassland: between North and South Fork Jack Canyon, ca 20 air mi SSW of La Junta. Grazed pasture dominated by Buchloë dactyloides. 4567 ft. 37.7048° N, 103.6459° W; NAD 83, , GPS Reading T27S R56W S11 SW1/4 37.7048 -103.6459 NAD 83 GPS Reading Vegetative N 355 RM 701049 Kuhn 2008 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Bernadette Kuhn. RM-114645 Bernadette Kuhn 6341 9 7 2008 U.S.A. Colorado Otero Comanche National Grassland: ca 3 air mi NW of Bloom; ca 31 air mi SW of La Junta. Base of shale hills, dominated by Juniperus monosperma and Stipa neomexicana. 4970 ft. 37.712° N, 103.9862° W; NAD 83, , GPS Reading T27S R59W S10 37.712 -103.9862 NAD 83 GPS Reading Flowering and Fruiting N 356 RM 701129 Kuhn 2008 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Bernadette Kuhn. RM-114650 Bernadette Kuhn 6421 11 7 2008 U.S.A. Colorado Las Animas Comanche National Grassland: near Poitrey Creek, ca 4.5 air mi SW of Villegreen; ca 11.5 air mi W of Kim. At stockpond in pasture dominated by Buchloë dactyloides and Opuntia spp. 6031 ft. 37.2488° N, 103.564° W; NAD 83, , GPS Reading T32S R55W S15 SE1/4 37.2488 -103.564 NAD 83 GPS Reading Fruiting N 357 RM 703192 Legler 2007 RM 900403 RM0030709 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Ben Legler on 2/5/2008. RM-119716 Ben Legler 3984 Neil Snow 7 6 2007 U.S.A. New Mexico Colfax Vermejo Park Ranch: along banks of Vermejo River immediately downstream from (SE of) I-25. Sandy river bottom dominated by recently killed Salix (Tamarix control), with Glycyrrhiza lepidota, Helianthus annuus, Juncus balticus. 5858 ft. 36° 29' 43.5" N, 104° 34' 13.3" W; WGS 84, uncertainty 8 m., GPS reading 36.49541667 -104.5703611 WGS 84 8 m. GPS reading Scattered along river. Photographed. Flowering N VPR03198,VPR03200,RM0030709 N 358 RM 703212 Legler 2007 RM 900402 RM0030708 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Ben Legler on 2/5/2008. RM-119717 Ben Legler 4004 Neil Snow 7 6 2007 U.S.A. New Mexico Colfax Vermejo Park Ranch: southwest shore of No. 2 Lake, 7.5 air mi E of Cimarron. Man-made lake with marshy shore dominated by grasses, gently grading into dry flats of Opuntia cylindrica, O. phaeacantha and short-grass prairie. 6238 ft. 36° 30' 4" N, 104° 46' 50" W; WGS 84, Digital map 36.50111111 -104.7805556 WGS 84 Digital map Common around base of dead tree in moist soil at west end of dam. Photographed. Flowering and Fruiting N VPR03247,RM0030708 N 359 RM 7048 Taylor, Amy 1998 RM 666776 RM0304714 Asteraceae Iva axillaris Pursh RM-486 Amy J. Roderick 6062 7 7 1998 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: Bates Creek Reservoir, ca 3 air mi E of County Road 402; ca 13.3 air mi N of Shirley Basin townsite. Wet meadows and edges of reservoir dominated by graminoids; Potentilla anserina common; disturbed. 7300 ft. 42.482° N, 106.2166° W T29N R78W S17 NW1/4; also S8 42.482 -106.2166 Buds N RM0304714 N 360 RM 706969 Legler 2007 RM 900401 RM0030707 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Ben Legler on 2/26/2008. RM-119942 Ben Legler 7751 16 8 2007 U.S.A. New Mexico Colfax Vermejo Park Ranch: southeast shore of French Lake; 1.4 air mi E of Cimarron. Shallow man-made lake with exposed muddy shoreline sparsely vegetated with with Chenopodium glaucum and Grindelia squarrosa; lake shallows with patches of Alisma gramineum, Ranunculus aquatilis. 6379 ft. 36° 30' 27" N, 104° 53' 26" W; WGS 84, Digital map 36.5075 -104.8905556 WGS 84 Digital map Frequent in dry mud. Fruiting N RM0030707 N 361 RM 707149 Legler 2008 RM 900400 RM0030706 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Ben Legler on 2/12/2009. RM-119955 Ben Legler 7947 15 5 2008 U.S.A. New Mexico Colfax Vermejo Park Ranch: fields on south side of Ponil Creek 0.35 air mi SE of where U.S. Hwy 64 crosses creek and 1.3 air mi NE of Cimarron. Old hay fields; silty soil; with Cardaria chalapensis, Chenopodium spp., grasses. 6366 ft. 36.517063° N, 104.892792° W; WGS 84, GPS reading 36.517063 -104.892792 WGS 84 GPS reading Common on road shoulder; flowers cream-colored. Specimen GPS: 36.511353, -104.891014. Flowering N RM0030706 N 362 RM 707364 Legler 2008 RM 900399 RM0027923 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Ben Legler on 2/12/2009. RM-119996 Ben Legler 8164 27 5 2008 U.S.A. New Mexico Colfax Vermejo Park Ranch: on north side of Dry Arroyo 2.1 air mi NW of French Corners and 0.8 air mi W of I-25. Dry watering pond with dry muddy bottom, ringed by Helianthus annuus, Glycyrrhiza lepidota, Astragalus bisulcatus. 5871 ft. 36.479382° N, 104.601738° W; WGS 84, GPS reading 36.479382 -104.601738 WGS 84 GPS reading Flowers pale yellow; common on dam along edge of pond. Specimen GPS: 36.479298, -104.601105. Flowering N RM0027923 N 363 RM 712316 Elliott, Emily 2007 USFS 861176 USFS0043497 Asteraceae Iva axillaris Pursh RM-115632 Brian Elliott 13639 24 5 2007 U.S.A. Wyoming Park Beartooth Mountains: ca 1/4-3/4 air mi N of Clarks Fork Yellowstone River, ca 26.5 air mi NNW of Cody. On multicolored clay soil (gray, red, black). 4520 5200 ft. 44.8693° N, 109.2976° W; NAD 83, , GPS Reading T56N R103W S5 W1/2 44.8693 -109.2976 NAD 83 GPS Reading Flowering N USFS0043497 364 RM 719601 Lukas BLM RM 916814 RM0076402 Asteraceae Iva axillaris Pursh RM-114781 Laura E. Lukas 363 12 6 2007 U.S.A. Wyoming Albany Laramie Plains: Twin Buttes Lake and Lake Hattie Canal, ca 14 mi W of Laramie; ca 15 mi E of Centennial. In and around canal. 7114 ft. 41.2482° N, 105.8525° W; WGS 84, , GPS reading T15N R75W S30 41.2482 -105.8525 WGS 84 GPS reading Buds RM0076402 365 RM 7246 Taylor, Amy: Misc RM Asteraceae Iva axillaris Pursh RM-492 Amy J. Roderick 624 13 6 1977 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Rim Lake or BLM Road 3420, ca 7.5 air mi SW of Rawlins. Sandy area surrounding lake. 7200 ft. 41.693° N, 107.2905° W T20N R88W S22 SE1/4 41.693 -107.2905 Flowering N N 366 RM 728500 Lukas BLM RM 916816 RM0076404 Asteraceae Iva axillaris Pursh RM-116328 Laura E. Lukas 8014 13 8 2008 U.S.A. Wyoming Albany Laramie Plains: right-of-way along County Road 424 (Hanson Lane), just W of intersection with County Road 422 (Pahlow Lane) and County Road 44 (Harmony Lane), ca 16 air mi WSW of Laramie; ca 3 air mi N of Harmony. On plains, along road. 7075 ft. 41.2189° N, 105.8747° W; WGS 84, , GPS reading T15N R76W S36 41.2189 -105.8747 WGS 84 GPS reading Flowering and Fruiting N RM0076404 367 RM 731270 So Rocky Mts RM 733606 Asteraceae Iva axillaris Pursh RM-121479 C. S. Crandall 455 6 1892 U.S.A. Colorado Larimer Ft. Collins. Halstead's American Weeds #140 Flowering N N 368 RM 731825 Lukas BLM RM 929332 RM0089944 Asteraceae Iva axillaris Pursh RM-119338 Laura E. Lukas 9032 17 6 2009 U.S.A. Wyoming Carbon Saratoga Valley: North Platte River E of Savage Meadows, ca 5 air mi SW of I-80 exit 235 (Walcott Junction) and ca 16 air mi NNW of Saratoga. Sandy parking area next to river, meadows and sagebrush hills nearby. 6594 ft. 41.6786° N, 106.8955° W; NAD 83, , GPS reading T20N R84W S30 41.6786 -106.8955 NAD 83 GPS reading Buds N RM0089944 369 RM 732300 Lukas BLM RM 929331 RM0089945 Asteraceae Iva axillaris Pursh RM-119366 Laura E. Lukas 9507 29 6 2009 U.S.A. Wyoming Carbon Hanna Basin: just S of I-80 and along the northeast end of Halleck Ridge, ca 12 air mi WNW of exit 255 (Elk Mountain/Hanna) and ca 1.5 air mi SW of Quealy Gap. Around salt flats in sagebrush. 7235 ft. 41.743° N, 106.5594° W; NAD 83, , GPS reading T21N R81W S32; also S33 41.743 -106.5594 NAD 83 GPS reading Flowering N RM0089945 370 RM 732349 Lukas BLM RM 929330 RM0089946 Asteraceae Iva axillaris Pursh RM-119372 Laura E. Lukas 9556 1 7 2009 U.S.A. Wyoming Carbon Saratoga Valley: Sand Basin, ca 2 air mi W of Wyo Hwy 130 and ca 6 air mi NNW of Saratoga. Weedy disturbed area where sagebrush has been removed, among sagebrush flats. 6896 ft. 41.5882° N, 106.8443° W; NAD 83, , GPS reading T19N R84W S28 41.5882 -106.8443 NAD 83 GPS reading Flowering N RM0089946 371 RM 734375 Schiebout RM 824215 RM0126220 Asteraceae Iva axillaris Pursh RM-448862 Michael Schiebout 7042 1 7 2005 U.S.A. New Mexico San Miguel Las Vegas Wildlife Refuge: 4.5 air mi SW of Las Vegas. around lake and in ditches. 2002 m. 35° 33' 28" N, 105° 9' 32" W; unknown, , Specimen Label 35.557778 -105.158889 unknown Specimen Label Flowering and Fruiting N RM0126220 N 372 RM 734858 Schiebout RM 823760 RM0126291 Asteraceae Iva axillaris Pursh RM-122084 Michael Schiebout 3318 12 5 2005 U.S.A. New Mexico Harding Kiowa National Grassland: Forest Road K90, 5.5 air mi WSW of Mills. Canyon top, rocky ground and around smaller pond. 1757 m. 36° 4' 14" N, 104° 20' 54" W; GPS reading 36.070556 -104.348333 GPS reading Fruiting N RM0126291 N 373 RM 7519 Taylor, Amy 1998 RM 666775 RM0304713 Asteraceae Iva axillaris Pursh RM-32 Amy J. Roderick 6485 14 7 1998 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: Goldeneye Wildlife and Recreation Area: Burlington Lake, N of U.S. Hwy 20-26, ca 22 road mi to Casper. Greasewood-sagebrush flats; alkaline lake shores. 5500 ft. 43.0189° N, 106.7063° W T35N R82W S8; also S7 43.0189 -106.7063 Flowering N RM0304713 N 374 RM 7682 Taylor, Amy 1998 RM 666774 RM0304712 Asteraceae Iva axillaris Pursh RM-505 Amy J. Roderick 6629 18 7 1998 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: Blue Gulch N of Wyo Hwy 220, ca 3.2 air mi NW of Alcova townsite. Draw with sagebrush, rabbitbrush, and wild licorice. 5600 5660 ft. 42.584° N, 106.7474° W T30N R83W S11 42.584 -106.7474 Flowering and Fruiting N RM0304712 N 375 RM 772968 RMHERB1 RM 268434 RM0304569 Asteraceae Iva axillaris Pursh RM-131321 Herbert G. Fisser 229 12 7 1960 U.S.A. Wyoming Fremont 1 mi NE of Bonneville. In sparse cottonwood stand. 4900 ft. Flowering N RM0304569 N 376 RM 773872 RMHERB1 RM 410955 RM0042587 Asteraceae Iva axillaris Pursh RM-131322 T. A. Bell s.n. 15 6 1959 U.S.A. Wyoming Fremont Southeast corner of Game and Fish Department Unit, near Ocean Lake. Dry roadside. Flowering N RM0042587 N 377 RM 773873 RMHERB1 RM 304713 RM0304572 Asteraceae Iva axillaris Pursh RM-131323 Ronald G. Schreibeis 1061 Valerie Schreibeis 23 8 1977 U.S.A. Wyoming Big Horn 8-9 mi W of basin along the Greybull River. Common in riparian zone near reservoir. T51N R95W S24 Flowering N RM0304572 N 378 RM 773874 RMHERB1 RM 348429 RM0304571 Asteraceae Iva axillaris Pursh RM-131324 Keith H. Dueholm 9677 Ronald L. Hartman 28 5 1980 U.S.A. Wyoming Big Horn Big Horn Mountains: John Blue Canyon, ca 4.5 mi NNE of U.S. 14A. Slopes of canyon and roadside. Riparian (along small creek). 4600 4800 ft. T57N R94W S23 & S24 Flowering N RM0304571 N 379 RM 773875 RMHERB1 RM 318942 RM0304573 Asteraceae Iva axillaris Pursh RM-131325 David L. Martin 1216 2 8 1978 U.S.A. Wyoming Big Horn S of Greybull River, S of Otto. Bank of small irrigation ditch. 4120 ft. T50N R95W NW1/4 S26 Abundant. Flowering N RM0304573 N 380 RM 773876 RMHERB1 RM 274171 RM0304570 Asteraceae Iva axillaris Pursh RM-131326 James T. Nichols 451 15 6 1962 U.S.A. Wyoming Washakie W of Worland, on the lower part of the 15 mi drainage area. Drainage in Nuttall Saltbrush type vegetation. 4100 4300 ft. 5-9 in precipitation zone. Flowering N RM0304570 N 381 RM 773877 RMHERB1 RM 355244 RM0304630 Asteraceae Iva axillaris Pursh RM-131327 Ellen Collins 860 16 7 1983 U.S.A. Wyoming Big Horn Crossing of U.S. Alt 14 and Big Horn River. Floodplain. 3660 ft. T56N R94W S4 N N Flowering N RM0304630 N 382 RM 773878 RMHERB1 RM 362342 RM0304631 Asteraceae Iva axillaris Pursh RM-131328 Betsy E. Neely 1340 A. Carpenter 4 7 1983 U.S.A. Wyoming Lincoln Wasatch Formation, E of Fossil Butte National Monument and 2 mi E of the North Fork of Twin Creek. Clay soil, dominated by Atriplex gardneri. 7200 ft. T22N R117W Flowering N RM0304631 N 383 RM 773879 RMHERB1 RM 325657 RM0304632 Asteraceae Iva axillaris Pursh RM-131329 Ronald L. Hartman 7372 Mary Alice Sanguinetti 26 6 1978 U.S.A. Wyoming Johnson Ca 0.5 mi N of I-90 at Powder River crossing. Bottom land along river and roadside. 4600 ft. T49N R77W S17 N N Flowering N RM0304632 N 384 RM 773880 RMHERB1 RM 325654 RM0304633 Asteraceae Iva axillaris Pursh RM-459327 Keith H. Dueholm 5218 29 7 1978 U.S.A. Eroded slopes, sandy roadcuts. Vegetative N RM0304633 N 385 RM 773881 RMHERB1 RM 334100 RM0304634 Asteraceae Iva axillaris Pursh RM-131331 Keith H. Dueholm 6535 5 6 1979 U.S.A. Wyoming Johnson South fork of Powder River, ca 6.5 air mi SE of Kaycee. Greasewood flats along river. 4700 ft. T42N R81W S9 & S10 Fruiting N RM0304634 N 386 RM 773882 RMHERB1 RM 344964 RM0304635 Asteraceae Iva axillaris Pursh RM-131332 Almut G. Jones 6363 13 8 1983 U.S.A. Wyoming Big Horn Near Lovell. Gravelly soil near salt marsh surrounding lake. Flowering N RM0304635 N 387 RM 773883 RMHERB1 RM 334621 RM0046937 Asteraceae Iva axillaris Pursh RM-131333 Erwin F. Evert 2278 31 7 1981 U.S.A. Wyoming Park Buffalo Bill State Park: Absaroka Mountains: north fork of Shoshone River drainage, Rattlesnake Creek along Hwy 14,16, and 20. 5400 ft. T52N R103W S5 SW1/4 Flowering N RM0046937 N 388 RM 773884 RMHERB1 RM 348431 RM0304636 Asteraceae Iva axillaris Pursh RM-131334 B. E. Nelson 3158 6 7 1979 U.S.A. Wyoming Big Horn Big Horn Mountains: ca 20.5 air mi ESE of Lovell on U.S. 14 alt, ca 22.5 air mi W of Burgess Junction. Disturbed areas. 6300 ft. T56N R92W S30 Flowering N RM0304636 N 389 RM 773885 RMHERB1 RM 348430 RM0304629 Asteraceae Iva axillaris Pursh RM-131335 B. E. Nelson 5479 12 6 1980 U.S.A. Wyoming Big Horn Big Horn Mountains: along U.S. alt 14, above Five Springs Creek, ca 20 air mi W of Lovell. Rocky juniper-sagebrush slopes. 5800 ft. T56N R93W S25 Fruiting N RM0304629 N 390 RM 773886 RMHERB1 RM 333542 RM0304615 Asteraceae Iva axillaris Pursh RM-131336 Keith H. Dueholm 7036 18 6 1979 U.S.A. Wyoming Niobrara Ca 1.5 air mi E of Redbird. Along roadside. 3900 ft. T38N R62W S26 Flowering N RM0304615 N 391 RM 773895 RMHERB1 RM 333541 Asteraceae Iva axillaris Pursh RM-131344 Keith H. Dueholm 8807 9 8 1979 U.S.A. Wyoming Converse North Platte River, ca 6.5 air mi E of Glenrock. River floodplain, willow thicket, small backwater, sandy terrace above river, sagebrush plains terrace. 4900 ft. T33N R74W S9 Flowering N N 392 RM 773896 RMHERB1 RM 333515 RM0304614 Asteraceae Iva axillaris Pursh RM-131345 Keith H. Dueholm 8742 8 8 1979 U.S.A. Wyoming Natrona Ca 5.5 air mi W of Midwest. Sagebrush plain, sandstone outcrops and ridge, sandy roadsides. 5000 ft. T40N R79W S19 Buds N RM0304614 N 393 RM 773898 RMHERB1 RM 341869 RM0046936 Asteraceae Iva axillaris Pursh RM-40814 Erwin F. Evert 3066 10 7 1981 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: Rattlesnake Creek Road, Forest Road 402, ca 6 mi N of U.S. Hwy 14, 16, & 20. Along the road. 6800 ft. T53N R104W S11 SW1/4 Flowering N RM0046936 N 394 RM 773899 RMHERB1 USFS 402314 USFS0054899 Asteraceae Iva axillaris Pursh RM-131346 E. A. V. Murphy s.n. 1939 U.S.A. Wyoming Fremont Washakie National Forest: Diversion Dam. Flowering N USFS0054899 N 395 RM 773900 RMHERB1 RM 293514 RM0304607 Asteraceae Iva axillaris Pursh RM-49798 R. E. Ries 204 D. W. Sabinske 21 6 1973 U.S.A. Wyoming Campbell Black Thunder Strip Mining Area: North Prong of Thunder and Little Thunder creeks. Dry lake bottom with western wheatgrass and foxtail barley; clayey overflow. 4650 ft. 43.6991° N, 105.2906° W; uncertainty 0.25 mi. T43N R70W S17 SE1/4 of SE1/4 43.6991 -105.2906 0 mi. Flowering N RM0304607 N 396 RM 773903 RMHERB1 RM 354496 RM0304591 Asteraceae Iva axillaris Pursh RM-131347 June Haines 2186 25 8 1983 U.S.A. Wyoming Fremont Gas Hills. Growing in the wall of a drainage ditch below plot. 6305 ft. T33N R90W S1 Plot 6. Buds N RM0304591 N 397 RM 773904 RMHERB1 RM 354495 RM0304592 Asteraceae Iva axillaris Pursh RM-131348 June Haines 2166 5 8 1983 U.S.A. Wyoming Fremont Gas Hills, section 3, plot (25, 83). In a drainage. 6240 ft. T33N R90W S3 N N West of plot 25, 83. Flowering and Fruiting N RM0304592 N 398 RM 773905 RMHERB1 RM 96214 RM0304790 Asteraceae Iva axillaris Pursh RM-131349 Mrs. Joseph Clemens s.n. 15 8 1911 U.S.A. Wyoming Uinta Flowering N RM0304790 N 399 RM 773906 RMHERB1 RM 391817 RM0304788 Asteraceae Iva axillaris Pursh RM-131350 Robert J. Hill 631 1 7 1973 U.S.A. Wyoming Natrona Devils Gate, along the Sweetwater River near the Sun Bell Ranch. Along roadside. T29N R87W S35 Common. Flowering N RM0304788 N 400 RM 773907 RMHERB1 RM 131433 RM0304781 Asteraceae Iva axillaris Pursh RM-131351 County Agent 11767 10 9 1931 U.S.A. Wyoming Park Ditch banks. Flowering N RM0304781 N 401 RM 773911 RMHERB1 RM 598181 Asteraceae Iva axillaris Pursh RM-131356 B. E. Nelson 29193 26 8 1993 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: along the North Platte River on Wyo Hwy 94, ca 0.8 mi S of Bed Tick Creek, ca 4.5 air mi S of Douglass. Parking lot. 4760 ft. T31N R71W S5 NE1/4 Flowering N N 402 RM 773912 RMHERB1 RM 608003 RM0304528 Asteraceae Iva axillaris Pursh RM-131357 Thomas Cramer 4692 Ronald L. Hartman 23 8 1994 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Hams Fork, ca 2.5 air mi S of Kemmerer. Riverside meadows, willows, and sagebrush. 6850 ft. T21N R116W S36 NW1/4 Fruiting N RM0304528 N 403 RM 773913 RMHERB1 RM 608004 RM0304527 Asteraceae Iva axillaris Pursh RM-131358 Thomas Cramer 4658 Ronald L. Hartman 23 8 1994 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: ca 2 air mi E of Leefe. Ditchsides and dry reservoir in surrounding sagebrush. 6280 ft. T21N R120W S1/2 S12 Flowering N RM0304527 N 404 RM 773914 RMHERB1 RM 608005 RM0304526 Asteraceae Iva axillaris Pursh RM-131359 Thomas Cramer 4576 Ronald L. Hartman 23 8 1994 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Twin Creek, ca 3.5 air mi W of Nugget. Creek edges in 10 ft deep creek cut through sagebrush surroundings. 6400 ft. T21N R119W S11 NE1/4 Fruiting N RM0304526 N 405 RM 773915 RMHERB1 RM 608006 RM0304525 Asteraceae Iva axillaris Pursh RM-131360 Thomas Cramer 3806 14 8 1994 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Lake Viva Naughton, ca 13 air mi NNW of Kemmerer. Reservoir edge, meadows, and sagebrush. 7250 ft. T23N R117W S23 NE1/4 Fruiting N RM0304525 N 406 RM 773916 RMHERB1 RM 600424 RM0304756 Asteraceae Iva axillaris Pursh RM-131361 Robert D. Dorn 6591 1 9 1995 U.S.A. Wyoming Sublette 10 mi S of Boulder. Roadside with Agropyron and Grindelia. 7200 ft. T30N R108W S3 N1/2 Flowering N RM0304756 N 407 RM 773917 RMHERB1 RM 601010 RM0304755 Asteraceae Iva axillaris Pursh RM-131362 Robert D. Dorn 5967 8 6 1995 U.S.A. Wyoming Hot Springs 1 mi N of Lucerne. Roadside with Polygonum and Kochia. 4300 ft. T44N R94W S29 W1/2 Buds N RM0304755 N 408 RM 773918 RMHERB1 RM 396747 RM0304754 Asteraceae Iva axillaris Pursh RM-131363 Robert D. Dorn 4620 9 6 1987 U.S.A. Wyoming Lincoln Ca 12 mi S of Kemmerer. Disturbed area with Lepidium and Malcolmia. 6700 ft. T19N R116W S18 SE1/4 Fruiting N RM0304754 N 409 RM 773919 RMHERB1 RM 544493 RM0304733 Asteraceae Iva axillaris Pursh RM-131364 Windsor Copley 229 21 8 1989 U.S.A. Wyoming Uinta Mountain View. Disturbed meadow with dry, loamy, slightly alkaline soil. 6800 ft. T14N R114W S23 Flowering N RM0304733 N 410 RM 773920 RMHERB1 RM 646165 RM0304730 Asteraceae Iva axillaris Pursh RM-131365 Thomas Cramer 4044 15 8 1994 U.S.A. Wyoming Lincoln Green River Basin: Slate Creek, ca 7 air mi W of Fontenelle. Alkali creek flats, meadows with assorted Chenopodiaceae, and adjacent semi-barren bluff. 6550 6750 ft. T23N R113W S14 Flowering and Fruiting N RM0304730 N 411 RM 773921 RMHERB1 RM 645546 RM0304729 Asteraceae Iva axillaris Pursh RM-131366 B. E. Nelson 36526 C. H. Refsdal 8 7 1995 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Snow Hollow, ca 1.5 air mi E of Idaho, ca 5.5 air mi SW of Cokeville, ca 29 air mi NW of Kemmerer. Heavily grazed meadow in the canyon bottom. 6800 6900 ft. T24N R120W S35 NW1/4 Flowering and Fruiting N RM0304729 N 412 RM 773922 RMHERB1 RM 645547 RM0304728 Asteraceae Iva axillaris Pursh RM-131367 Thomas Cramer 10018 Jane T. Kellett 30 7 1995 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Underwood Canyon, ca 8 air mi SE of Cokeville. Creekside willows and meadows with sagebrush edges. 7200 7400 ft. T23N R118W S6 NE1/4 Flowering N N 413 RM 78044 Elliott, Brian 1999 RM 831203 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh
Annotated by Ronald L. Hartman. RM-13227 Brian Elliott 10484 Elizabeth Mark 5 8 1999 U.S.A. Colorado Custer Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Reed Gulch, ca 9 air mi NW of Westcliffe, at the junction of Colo Hwy 69 and County Road 203. Roadside. 7620 ft. 38.2394° N, 105.5664° W T21S R73W S8 NW1/4 38.2394 -105.5664 Flowering N N 414 RM 787414 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-128517 B. E. Nelson 79515 Joseph L. M. Charboneau 8 6 2010 U.S.A. Montana Valley On Little Beaver Road just inside BLM boundary, ca 1 air mi NE of January Reservoir, ca 8.5 air mi SW of Glasgow. Rolling grassland-forbs on clay soil with gullies and drainages. 2300 2415 ft. 48.0947° N, 106.7456° W to 48.0936° N, 106.7503° W; NAD 83, GPS reading T27N R39E S18 SW1/4 48.0947 -106.7456 NAD 83 GPS reading Flowering N 415 RM 787673 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-128542 B. E. Nelson 79774 Joseph L. M. Charboneau 10 6 2010 U.S.A. Montana Valley Off of Theony Road at Lighthouse Hill BM and vicinity above Chambers and First coulees, ca 19 air mi W of Opheim. Clay slope with bentonite areas. 2600 2754 ft. 48.8816° N, 106.8171° W to 48.882° N, 106.8213° W; NAD 83, GPS reading T36N R37E S13 N1/2 48.8816 -106.8171 NAD 83 GPS reading Flowering N 416 RM 787978 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-128564 B. E. Nelson 80079 Joseph L. M. Charboneau 13 6 2010 U.S.A. Montana Valley On ridge between Lena Coulee and Cut Throat Coulee on the Timber Creek Trail, ca 41 air mi SW of Glasgow. Clay and bentonite badlands with ponderosa pine. 2430 2620 ft. 47.7659° N, 107.3114° W; NAD 83, GPS reading T23N R34E S12 SW1/4 47.7659 -107.3114 NAD 83 GPS reading Flowering N 417 RM 789280 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-129461 B. E. Nelson 81381 19 9 2010 U.S.A. Montana Valley At the head of South Fork Duck Creek below Glen Reservoir off The Pines Road, ca 15 air mi WSW of Fort Peck; ca 21 air mi S of Glasgow. In the reservoir and adjacent mud flats. 2430 2450 ft. 47.9149° N, 106.7283° W; NAD 83, GPS reading T25N R39E S18 SE1/4 47.9149 -106.7283 NAD 83 GPS reading Vegetative N 418 RM 789476 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127288 Joseph L. M. Charboneau 25 15 6 2010 U.S.A. Montana Valley On The Pines Road at intersection with Ridge Road, ca 2 air mi SE of Pines Reservoir, ca 15.5 air mi WSW of Fort Peck. Rolling grasslands on badlands clay soil with drainages with occasional junipers. 2390 2490 ft. 47.9262° N, 106.7274° W to 47.9251° N, 106.7322° W; NAD 83, GPS reading T25N R39E S18 E1/2 47.9262 -106.7274 NAD 83 GPS reading Flowering and Fruiting N 419 RM 789838 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127705 Joseph L. M. Charboneau 387 24 6 2010 U.S.A. Montana Valley On Triple Crossing Road, ca 1/4 air mi N of Whitetail Reservoir, ca 28 air mi SW of Glasgow. Grasslands with occasional sagebrush on clay soil. 2470 2490 ft. 47.9598° N, 107.1154° W; NAD 83, GPS reading T26N R36E S32 South1/2 47.9598 -107.1154 NAD 83 GPS reading Flowering and Fruiting N 420 RM 789901 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127708 Joseph L. M. Charboneau 419 24 6 2010 U.S.A. Montana Valley On Ridge Road, on ridge above Tony Coulee, ca 2.5 air mi SW of Finn Reservoir, ca 36 air mi SW of Glasgow. Sandy roadside. 2850 3130 ft. 47.91° N, 107.259° W; NAD 83, GPS reading T25N R35E S19 NE1/4 47.91 -107.259 NAD 83 GPS reading Flowering and Fruiting N 421 RM 790085 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127728 Joseph L. M. Charboneau 628 27 6 2010 U.S.A. Montana Phillips Matador Ranch: on Dry Fork Road, on top of Dry Fork Ridge, ca 2.5 air mi N of Wrangler Reservoir, ca 16.5 air mi ESE of Zortman. Badland clay. 2940 3040 ft. 47.8103° N, 108.2047° W; NAD 83, GPS reading T24N R27E S26 SW1/4 47.8103 -108.2047 NAD 83 GPS reading Flowering and Fruiting N 422 RM 790126 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127731 Joseph L. M. Charboneau 669 27 6 2010 U.S.A. Montana Phillips Off of Regina Road, on ridge overlooking Flat Creek and The Big Sag, ca 4 air mi SSW of Whitcomb Lake, ca 30 air mi S of Malta. Sagebrush-grasslands on stony clay soil with hills and swales. 2530 2610 ft. 47.9343° N, 107.8653° W; NAD 83, GPS reading T25N R30E S9 NE1/4 47.9343 -107.8653 NAD 83 GPS reading Flowering and Fruiting N 423 RM 790203 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127738 Joseph L. M. Charboneau 746 30 6 2010 U.S.A. Montana Phillips On North Frenchman Road, on ridge above Steelman Coulee, ca 8.5 air mi NE of Gray Reservoir, ca 37.5 air mi N of Saco; ca 51 air mi NNE of Malta. Clay soil. 2640 2840 ft. 48.9904° N, 107.3501° W; NAD 83, GPS reading T37N R33E S2 SW1/4 48.9904 -107.3501 NAD 83 GPS reading Flowering and Fruiting N 424 RM 790680 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127786 Joseph L. M. Charboneau 1223 8 7 2010 U.S.A. Montana Valley E of Rock Creek Trail in hills W of Deep Creek, ca 1 air mi SE of Antelope Pass, ca 26 air mi NNE of Hinsdale; ca 42 air mi NNW of Glasgow. Clay trailside. 2520 2570 ft. 48.7472° N, 106.9253° W; NAD 83, GPS reading T35N R37E S31 SE1/4 48.7472 -106.9253 NAD 83 GPS reading Flowering and Fruiting N 425 RM 790884 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127801 Joseph L. M. Charboneau 1427 10 7 2010 U.S.A. Montana Phillips W of U.S. Hwy 191 in Black Coulee, ca 1 air mi NE of West Alkali Reservoir, ca 14.5 air mi SW of Malta. Badlands clay. 2480 2530 ft. 48.2152° N, 108.0687° W; NAD 83, GPS reading T28N R28E S1 NW1/4; also S2 NE1/4 48.2152 -108.0687 NAD 83 GPS reading Fruiting N 426 RM 790929 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127803 Joseph L. M. Charboneau 1472 11 7 2010 U.S.A. Montana Phillips Upper Missouri River Breaks National Monument: on Antelope Ridge and in East Fork Hideaway Coulee, ca 4 air mi NNE of Grand Island, ca 17 air mi SW of Zortman; ca 61 air mi SW of Malta. Wooded steep hillsides on clay soil. 2800 3060 ft. 47.7589° N, 108.7869° W to 47.7553° N, 108.7875° W; NAD 83, GPS reading T23N R23E S17 NE1/4 47.7589 -108.7869 NAD 83 GPS reading Fruiting N 427 RM 791030 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127811 Joseph L. M. Charboneau 1573 13 7 2010 U.S.A. Montana Valley E of Ridge Road around Craig Reservoir, ca 2.5 air mi W of Clover Reservoir, ca 32 air mi WSW of Glasgow. Saline clay/reservoir edge. 2600 2650 ft. 48.0209° N, 107.2677° W; NAD 83, GPS reading T26N R35E S7 SW1/4 48.0209 -107.2677 NAD 83 GPS reading Flowering and Fruiting N 428 RM 791070 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127814 Joseph L. M. Charboneau 1608 13 7 2010 U.S.A. Montana Valley E of Skyview Ridge Road, ca 2.5 air mi E of Horace Reservoir, ca 21.5 air mi NNW of Glasgow. Hard badlands clay. 2430 2490 ft. 48.2198° N, 107.0885° W; NAD 83, GPS reading T29N R36E S31 SE1/4; also S32 SW1/4 48.2198 -107.0885 NAD 83 GPS reading Flowering and Fruiting N 429 RM 791271 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127828 Joseph L. M. Charboneau 1814 17 7 2010 U.S.A. Montana Phillips Charles M. Russell National Wildlife Refuge: E of CK Ridge Road just S of Refuge Road, ca 5.5 air mi S of Wrangler Reservoir, ca 23 air mi SE of Zortman; ca 49 air mi SSW of Malta. Sagebrush-grasslands on clay soil with occasional open ponderosa pine woodlands. 2680 2830 ft. 47.6967° N, 108.2019° W; NAD 83, GPS reading T22N R27E S1 SE1/4 47.6967 -108.2019 NAD 83 GPS reading Fruiting N 430 RM 791347 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127830 Joseph L. M. Charboneau 1890 18 7 2010 U.S.A. Montana Phillips Wapati Reservoir, S of BLM Road 1143, ca 3.5 air mi W of Indian Lake, ca 43 air mi S of Malta. Sagebrush-grasslands on stony clay soil. 2680 2720 ft. 47.7462° N, 107.9104° W; NAD 83, GPS reading T23N R29E S13 SE1/4; also S24 NE1/4 47.7462 -107.9104 NAD 83 GPS reading Fruiting N 431 RM 791391 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127834 Joseph L. M. Charboneau 1934 18 7 2010 U.S.A. Montana Phillips E of Regina Road adjacent to Nelson Reservoir, ca 2.5 air mi SSE of Button Butte, ca 22 air mi S of Malta. Sagebrush-grassland hills with clay soil. 2410 2440 ft. 48.0543° N, 107.8808° W; NAD 83, GPS reading T27N R30E S32 NE1/4 48.0543 -107.8808 NAD 83 GPS reading Fruiting N 432 RM 791690 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127889 Joseph L. M. Charboneau 2233 B. E. Nelson 25 7 2010 U.S.A. Montana Phillips Upper Missouri River Breaks National Monument: along Bull Creek and badlands to the W, ca 0.5 mi below the confluence with Winter Creek, ca 16 air mi SW of Hays; ca 62 air mi SW of Malta. Semi-barren clay slopes. 2520 2880 ft. 47.7953° N, 108.8796° W; NAD 83, GPS reading T23N R22E S3 N1/2 47.7953 -108.8796 NAD 83 GPS reading Fruiting N 433 RM 791766 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127902 Joseph L. M. Charboneau 2309 27 7 2010 U.S.A. Montana Valley Bull Pasture Coulee and above, E of Windy Ridge Road, ca 1.5 air mi NE of Erie Reservoir, ca 17 air mi N of Hinsdale; ca 36.5 air mi NNW of Glasgow. Clay to sandy semi-barren hillsides. 2520 2680 ft. 48.6347° N, 107.0555° W; NAD 83, GPS reading T33N R36E S7 E1/2 48.6347 -107.0555 NAD 83 GPS reading Fruiting N 434 RM 791867 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127912 Joseph L. M. Charboneau 2410 27 7 2010 U.S.A. Montana Valley Bitter Creek Wilderness Study Area: along Chisholm Creek, ca 8 air mi NNW of Newberry Flat Reservoir, ca 36 air mi NNE of Glasgow. Sagebrush-grasslands on clay flats with greasewood. 2540 2600 ft. 48.6941° N, 106.8149° W; NAD 83, GPS reading T34N R37E S24 NE1/4 48.6941 -106.8149 NAD 83 GPS reading Fruiting N 435 RM 791912 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127918 Joseph L. M. Charboneau 2455 29 7 2010 U.S.A. Montana Valley Mont Hwy 24 at bridge over Dry Fork Creek, ca 8.5 air mi SE of Forsman Reservoir, ca 23.5 air mi NNE of Glasgow. Semi-barren clay patches. 2730 2740 ft. 48.5247° N, 106.5622° W; NAD 83, GPS reading T32N R40E S17 SW1/4; also S18 SE1/4 48.5247 -106.5622 NAD 83 GPS reading Fruiting N 436 RM 792229 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-127962 Joseph L. M. Charboneau 2772 3 8 2010 U.S.A. Montana Valley Burnt Lodge Wilderness Study Area: Larb Hills (South): Plum Coulee on Plum Creek Trail, ca 3 air mi SSE of Castle Butte, ca 46 air mi SW of Glasgow. Dry clay above creek bottom. 2510 2880 ft. 47.7863° N, 107.3783° W to 47.7806° N, 107.3856° W; NAD 83, GPS reading T23N R34E S5 E1/2 47.7863 -107.3783 NAD 83 GPS reading Fruiting N 437 RM 792747 Charboneau 2010 RM Asteraceae Iva axillaris Pursh RM-128036 Joseph L. M. Charboneau 3290 12 8 2010 U.S.A. Montana Valley Charles M. Russell National Wildlife Refuge: Carpenter Coulee, S of Harper Ridge Road, ca 9 air mi SSW of Halfpint Reservoir, ca 41.5 air mi SW of Glasgow. Disturbed clay areas. 2580 2770 ft. 47.7474° N, 107.1677° W; NAD 83, GPS reading T23N R35E S24 NE1/4; also S13 SE1/4 47.7474 -107.1677 NAD 83 GPS reading Fruiting N 438 RM 794687 Missouri Plateau RM 355625 Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh var. robustior Hook.
Annotated by w fertig in 2001. RM-29148 Robert W. Lichvar 5992 10 6 1983 U.S.A. Montana Carbon North Fork of Trail Creek. Cottonwood bottom. 3950 ft. 45.1084° N, 108.2039° W; uncertainty 1 mi. T8S R29E S30 45.1084 -108.2039 1 mi. Vegetative N N 439 RM 794690 Missouri Plateau RM 252734 Asteraceae Iva axillaris Pursh RM-29416 W. E. Booth 56984 20 6 1956 U.S.A. Montana Deer Lodge Ca 10 mi NW of Anaconda. In dry bunchgrass, grassland. 46.2382° N, 112.8076° W; uncertainty 2 mi. 46.2382 -112.8076 2 mi. Vegetative N N 440 RM 794691 Missouri Plateau RM 121969 Asteraceae Iva axillaris Pursh RM-135391 J. W. Blankinship s.n. 25 8 1903 U.S.A. Montana Phillips Malta: Lake Bowdoin. Vegetative N N 441 RM 794692 Missouri Plateau RM 89476 Asteraceae Iva axillaris Pursh RM-135392 J. W. Blankinship s.n. 8 1906 U.S.A. Montana Cascade Great Falls. Vegetative N N 442 RM 794693 Missouri Plateau RM 117361 Asteraceae Iva axillaris Pursh RM-135344 Esther L. Larsen 51 21 6 1927 U.S.A. Montana Sheridan Westby. Vegetative N N 443 RM 794694 Missouri Plateau RM 300471 Asteraceae Iva axillaris Pursh RM-135393 Marvin L. Roberts 4526 15 5 1976 U.S.A. Montana Big Horn 10 mi NW of Hardin, 11 mi E of Yellowstone County line on I-90. On sagebrush covered hillside. Uncommon. Vegetative N N 444 RM 794698 Missouri Plateau USFS 480177 Asteraceae Iva axillaris Pursh RM-122019 E. J. Woolfolk W-63 7 7 1937 U.S.A. Montana Custer Northern Rocky Mountain Experimental Station: Fossil Spring Pasture J. On draws and pastures, in rocky soil. 2600 ft. T6N R43E S9 Few. Vegetative N N 445 RM 794700 Missouri Plateau USFS 480175 Asteraceae Iva axillaris Pursh RM-135394 Jack E. Schmautz JES-112 23 7 1953 U.S.A. Montana Madison Beaverhead National Forest. On roadside, in gravelly clay soil. 6300 ft. T10S R3W S9 NE1/4 Common. Vegetative N N 446 RM 794701 Missouri Plateau USFS 480174 Asteraceae Iva axillaris Pursh RM-135395 James C. Whitham 1723 G. Kirby Whitham 9 6 1934 U.S.A. Montana Gallatin Gallatin National Forest: Roadside 10, 4 mi W of Logan. On open roadside, in alkaline soil. 4600 ft. Common. Vegetative N N 447 RM 794702 Missouri Plateau RM 73231 Asteraceae Iva axillaris Pursh RM-135396 Wyatt W. Jones s.n. 25 7 1902 U.S.A. Montana Gallatin Bozeman. Vegetative N N 448 RM 794711 Missouri Plateau RM 532578 Asteraceae Iva axillaris Pursh RM-135403 Herb L. Karcher 582 5 6 1988 U.S.A. Nebraska Scotts Bluff Bridgeport, HW L79E, miniature cutoff, N of river channel bridge. Roadside, both sides of HW. Abundant within isolated population; flowers axillary, green-yellow, Rhixomatous root. Flowering N N 449 RM 794712 Missouri Plateau RM 604190 Asteraceae Iva axillaris Pursh RM-135404 Neil Hotchkiss s.n. 19 6 1942 U.S.A. North Dakota Ward Des Lacs National Wildlife Refuge: west side of Upper Des Lacs Lake, 6 mi N of Kenmare. On coal mine waste and by roadside. Flowering N N 450 RM 794714 Missouri Plateau RM 105574 Asteraceae Iva axillaris Pursh RM-135405 Lycurgus R. Moyer 751 22 8 1915 U.S.A. North Dakota Little Missouri Valley: Marmarth. Clay cliffs, bad lands. Flowering N N 451 RM 794716 Missouri Plateau RM 44712 Asteraceae Iva axillaris Pursh RM-135408 H. L. Bolley 370 9 8 1892 U.S.A. North Dakota Bottineau. Vegetative N N 452 RM 794718 Missouri Plateau RM 154009 Asteraceae Iva axillaris Pursh RM-123460 O. A. Stevens s.n. 30 6 1934 U.S.A. North Dakota Barnes Valley City. Bare hillside. Flowering N N 453 RM 794957 RMHERB1 RM 840807 RM0304568 Asteraceae Iva axillaris Pursh RM-135539 Bethany Lewis 517 28 7 2007 U.S.A. Wyoming Albany Laramie Plains: Mortenson Lake National Wildlife Refuge: ca 11 air miles SW of Laramie. Greasewood/grassland uplands. 7240 ft. 41° 12.811' N, 105° 47.575' W; WGS 84, , GPS reading T15N R75W S3 41.213517 -105.792917 WGS 84 GPS reading Buds N RM0304568 N 454 RM 8109 Taylor, Amy 1998 RM 666773 RM0304711 Asteraceae Iva axillaris Pursh RM-517 Amy J. Roderick 7011 20 7 1998 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Pathfinder Reservoir: North Platte River E of BLM Road 3108, ca 4.2 air mi N of Kortes Dam. Greasewood flats at rivers edge; disturbed. 5860 ft. 42.2385° N, 106.8902° W T26N R84W S9 SE1/4; also S16 42.2385 -106.8902 Flowering N RM0304711 N 455 RM 818484 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142489 B. E. Nelson 81644 17 6 2011 U.S.A. Montana Phillips Along Black Coulee Road near the head of Coburg Coulee, ca 20 air mi N of Dodson; ca 29 air mi NW of Malta. Clay flats with Atriplex. 2880 3040 ft. 48.6889° N, 108.2653° W; NAD 83, GPS reading T34N R26E S24 South1/2 48.6889 -108.2653 NAD 83 GPS reading Flowering and Fruiting N 456 RM 818510 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142490 B. E. Nelson 81670 18 6 2011 U.S.A. Montana Phillips Upper Missouri River Breaks National Monument: along Bull Creek Road just W of the boundary, ca 3.5 air mi WNW of DY Junction, ca 54 air mi SW of Malta. Sagebrush-grassland on dark clay soil. 3200 3240 ft. 47.8122° N, 108.7039° W; NAD 83, GPS reading T24N R24E S30 N1/4 47.8122 -108.7039 NAD 83 GPS reading Flowering N 457 RM 818553 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142726 B. E. Nelson 81713 20 6 2011 U.S.A. Montana Valley Along Roosevelt Trail ca 0.5 mi E of Porcupine Creek and Fort Peck Indian Reservation, ca 5 air mi N of Nashua. Rolling terrain below and slope of rim with meadows, bare areas, drainage channels, with clay soil, and cobblestone covered areas. 2170 2220 ft. 48.205° N, 106.3938° W; NAD 83, GPS reading T28N R41E S2 SW1/4 48.205 -106.3938 NAD 83 GPS reading Flowering N 458 RM 818785 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142741 B. E. Nelson 81945 22 6 2011 U.S.A. Montana Valley Along Willow Creek Road S of Archambeault Flats, ca 13 air mi W of Fort Peck; ca 15 air mi S of Glasgow. Grassy and weedy clay flats. 2180 2260 ft. 47.99° N, 106.7212° W; NAD 83, GPS reading T26N R39E S20 South1/2 47.99 -106.7212 NAD 83 GPS reading Flowering and Fruiting N 459 RM 818828 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-148237 B. E. Nelson 81988 22 6 2011 U.S.A. Montana Valley Along Willow Creek Road above and E of Barber Coulee, ca 36 air mi SW of Glasgow. Clay "bald". 2520 2720 ft. 47.8133° N, 107.116° W; NAD 83, GPS reading T24N R36E S29 SE1/4 47.8133 -107.116 NAD 83 GPS reading Flowering and Fruiting N 460 RM 818928 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142751 B. E. Nelson 82088 24 6 2011 U.S.A. Montana Phillips Along Stage Road (Mont Hwy 204) ca 1/2-3/4 mi N of Wild Horse Creek, ca 16 air mi S of Dodson; ca 23 air mi SW of Malta. Badlands with gravel to cobblestone size rocks, with drainage channels, bentonite boils, grassy patches, and grassland on the flats above. 2580 2640 ft. 48.1693° N, 108.2685° W; NAD 83, GPS reading T28N R27E S20 South1/2 48.1693 -108.2685 NAD 83 GPS reading Flowering and Fruiting N 461 RM 819063 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142755 B. E. Nelson 82223 24 6 2011 U.S.A. Montana Phillips Larb Hills (North): above and S of Old U.S. Hwy 2 and BNSF tracks, ca 5.5 air mi W of Saco; ca air mi ENE of Malta. Rough breaks with clay slopes, swales, and drainage channels. 2300 2540 ft. 48.457° N, 107.4693° W to 48.4504° N, 107.4641° W; NAD 83, GPS reading T31N R33E S8 SW1/4 48.457 -107.4693 NAD 83 GPS reading Flowering and Fruiting N 462 RM 819167 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142759 B. E. Nelson 82327 26 6 2011 U.S.A. Montana Valley Along Rock Creek Road at the south edge of Rock Creek Flats, ca 5 air mi S of Thoeny; ca 24 air mi W of Opheim. Open lower clay slopes and outwash areas. 2460 2520 ft. 48.8011° N, 106.9199° W; NAD 83, GPS reading T35N R37E S8 SW1/4 48.8011 -106.9199 NAD 83 GPS reading Flowering and Fruiting N 463 RM 819895 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-141896 Joseph L. M. Charboneau 4339 1 6 2011 U.S.A. Montana Valley E of Anderson Road, E of Timber Creek, ca 12 air mi WSW of Triple Crossing Reservoir, ca 44.5 air mi WSW of Fort Peck; ca 40 air mi WSW of Glasgow. Badlands clay. 2530 2540 ft. 47.914° N, 107.3641° W; NAD 83, GPS reading T25N R34E S20 NE1/4 47.914 -107.3641 NAD 83 GPS reading Flowering and Fruiting N 464 RM 819967 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-141906 Joseph L. M. Charboneau 4410 4 6 2011 U.S.A. Montana Phillips Assiniboine Creek and ridge to the NE, ca 2.5 air mi W of the Milk River, ca 8 air mi NNE of Malta. Badlands clay. 2330 2540 ft. 48.4619° N, 107.8488° W to 48.4547° N, 107.8551° W; NAD 83, GPS reading T31N R30E S8 E1/2 48.4619 -107.8488 NAD 83 GPS reading Flowering N 465 RM 820039 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-141918 Joseph L. M. Charboneau 4483 4 6 2011 U.S.A. Montana Phillips Spring Coulee, W of U.S. Hwy 191, ca 1.5 air mi W of the Milk River, ca 10.5 air mi NNE of Malta. Badlands clay. 2270 2500 ft. 48.496° N, 107.7649° W to 48.4936° N, 107.771° W; NAD 83, GPS reading T32N R30E S36 N1/2 48.496 -107.7649 NAD 83 GPS reading Flowering N 466 RM 820092 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-141923 Joseph L. M. Charboneau 4536 6 6 2011 U.S.A. Montana Phillips E of Content Road, E of Sun Prairie Flats, ca 5 air mi WSW of Buckley Lake, ca 42 air mi E of Zortman; ca 33 air mi SSE of Malta. Badlands clay. 2390 2520 ft. 47.9215° N, 107.6411° W; NAD 83, GPS reading T25N R32E S18 NE1/4 47.9215 -107.6411 NAD 83 GPS reading Flowering N 467 RM 820133 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-141926 Joseph L. M. Charboneau 4577 6 6 2011 U.S.A. Montana Phillips E of Content Road, ca 2 air mi SW of Tallow Creek, ca 44 air mi E of Zortman; ca 30 air mi SSE of Malta. Badlands clay. 2360 2450 ft. 47.9681° N, 107.6048° W; NAD 83, GPS reading T26N R32E S33 N1/2 47.9681 -107.6048 NAD 83 GPS reading Flowering N 468 RM 820284 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-141952 Joseph L. M. Charboneau 4728 8 6 2011 U.S.A. Montana Valley Charles M. Russell National Wildlife Refuge: Fifth Ridge and Sixth Coulee S of The Pines Road (Refuge Road 102) ca 2 air mi SSW of Berger Reservoir, ca 24 air mi SW of Fort Peck; ca 24.5 air mi SSW of Glasgow. Barren silty areas. 2400 2650 ft. 47.8589° N, 106.69° W to 47.8559° N, 106.6949° W; NAD 83, GPS reading T24N R39E S10 NE1/4 47.8589 -106.69 NAD 83 GPS reading Flowering N 469 RM 820401 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-141971 Joseph L. M. Charboneau 4845 12 6 2011 U.S.A. Montana Phillips N of Mont Hwy 208, hills between Lush Coulee and Martins Coulee, ca 3 air mi SW of Austin Lake, ca 6.5 air mi SSW of Whitewater; ca 24.5 air mi NNE of Malta. Grasslands with scattered silver sagebrush on clay soil. 2520 2640 ft. 48.6831° N, 107.706° W; NAD 83, GPS reading T34N R31E S29 NW1/4 48.6831 -107.706 NAD 83 GPS reading Flowering N 470 RM 820643 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142001 Joseph L. M. Charboneau 5085 14 6 2011 U.S.A. Montana Phillips Hills W of Camp Creek, N of Dry Fork Road, ca 2.5 air mi NNE of Big Sage Reservoir, ca 9 air mi SE of Zortman; ca 48 air mi SSW of Malta. Clay hardpan. 3080 3220 ft. 47.8077° N, 108.4389° W; NAD 83, GPS reading T24N R26E S29 SW1/4; also S30 SE1/4 47.8077 -108.4389 NAD 83 GPS reading Flowering N 471 RM 820951 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142035 Joseph L. M. Charboneau 5395 19 6 2011 U.S.A. Montana Phillips Ridge W of Frenchman Creek, N of Frenchman Road, ca 1/4 air mi SW of Frenchman Reservoir, ca 22.5 air mi NNW of Hinsdale; ca 45 air mi NW of Glasgow. Silty-sandy badlands hillslopes. 2400 2500 ft. 48.7035° N, 107.2079° W; NAD 83, GPS reading T43N R34E S13 SW1/4 48.7035 -107.2079 NAD 83 GPS reading Flowering N 472 RM 821061 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142044 Joseph L. M. Charboneau 5505 Alice Sawyer 21 6 2011 U.S.A. Montana Valley Charles M. Russell National Wildlife Refuge: Sixth Ridge, ca 9 air mi SSE of Pines Reservoir, ca 25 air mi SW of Fort Peck; ca 26.5 air mi S of Glasgow. On badlands clay. 2040 2400 ft. 47.8296° N, 106.6607° W to 47.8236° N, 106.6665° W; NAD 83, GPS reading T24N R39E S24 W1/2 47.8296 -106.6607 NAD 83 GPS reading Flowering N 473 RM 821085 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142045 Joseph L. M. Charboneau 5529 21 6 2011 U.S.A. Montana Valley NE of Lone Tree Creek and Triple Crossing Access Road, ca 6 air mi E of Skull Reservoir, ca 21 air mi WSW of Fort Peck; ca 22 air mi SW of Glasgow. Big-sagebrush steppe on thick clay. 2270 2360 ft. 47.9355° N, 106.8696° W; NAD 83, GPS reading T25N R38E S7 SE1/4 47.9355 -106.8696 NAD 83 GPS reading Flowering and Fruiting N 474 RM 821189 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142051 Joseph L. M. Charboneau 5633 23 6 2011 U.S.A. Montana Phillips American Prairie Reserve: Dry Fork Ridge, S of West Fork Dry Fork Creek, ca 3.5 air mi ENE Wrangler Reservoir, ca 29 air mi ESE of Zortman; ca 43 air mi SSW of Malta. Thick clay and silty hardpans. 2790 2900 ft. 47.7879° N, 108.1344° W; NAD 83, GPS reading T23N R28E S4 N1/2 47.7879 -108.1344 NAD 83 GPS reading Flowering N 475 RM 821246 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142054 Joseph L. M. Charboneau 5690 23 6 2011 U.S.A. Montana Phillips Charles M. Russell National Wildlife Refuge: hills N of outlet of Fourchette Creek into Fourchette Bay, E of Refuge Road 858, ca 3 air mi NNE of Fowler Reservoir, ca 39 air mi ESE of Zortman; ca 47 air mi SSE of Malta. Big-sagebrush steppe with greasewood on heavy clay. 2310 2430 ft. 47.7035° N, 107.766° W to 47.7056° N, 107.7736° W; NAD 83, GPS reading T22N R31E S5 NW1/4 47.7035 -107.766 NAD 83 GPS reading Flowering and Fruiting N 476 RM 821270 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142055 Joseph L. M. Charboneau 5714 Mark Majerus, Michael Dolan, Noorjahan Parwana, Katie Butts, and Mary Frieze 24 6 2011 U.S.A. Montana Phillips American Prairie Reserve: Box Elder Creek and hills above, ca 4 air mi E of Indian Lake, ca 38.5 air mi ESE of Zortman; ca 44 air mi SSE of Malta. Big-sagebrush steppe with greasewood on clay. 2310 2390 ft. 47.735° N, 107.7674° W to 47.7402° N, 107.7654° W; NAD 83, GPS reading T23N R31E S20 SW1/4 47.735 -107.7674 NAD 83 GPS reading Flowering and Fruiting N 477 RM 821462 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142072 Joseph L. M. Charboneau 5906 25 6 2011 U.S.A. Montana Phillips Charles M. Russell National Wildlife Refuge: Reynolds Hill, ca 2 air mi N of Fourchette Creek Recreation Area, ca 44 air mi ESE of Zortman; ca 38 air mi SSE of Malta. Sagebrush-greasewood steppe on silty clay. 2440 2760 ft. 47.69° N, 107.6536° W; NAD 83, GPS reading T22N R32E S6 South1/2; also S7 NE1/4 47.69 -107.6536 NAD 83 GPS reading Flowering and Fruiting N 478 RM 821679 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142093 Joseph L. M. Charboneau 6123 28 6 2011 U.S.A. Montana Phillips Charles M. Russell National Wildlife Refuge: CK Ridge, W of Refuge Road 206, ca 10 air mi ESE of Taint Reservoir, ca 24 air mi SE of Zortman; ca 52 air mi SSW of Malta. Sagebrush-grasslands on stony clay soil with disturbed areas. 2640 2900 ft. 47.6616° N, 108.1914° W to 47.6591° N, 108.1985° W; NAD 83, GPS reading T22N R27E S24 N1/2 47.6616 -108.1914 NAD 83 GPS reading Flowering and Fruiting N 479 RM 821714 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142118 Joseph L. M. Charboneau 6158 28 6 2011 U.S.A. Montana Phillips Ridge E of Spring Creek, W of CK Ridge Road, ca 2.5 air mi E of Blizzard Reservoir, ca 18 air mi SE of Zortman; ca 48 air mi SSW of Malta. Sagebrush-grasslands on rolling hills of clay to loamy soil with swales and areas of stony silty hardpans. 2840 2970 ft. 47.7335° N, 108.2761° W; NAD 83, GPS reading T23N R27E S29 N1/2 47.7335 -108.2761 NAD 83 GPS reading Flowering and Fruiting N 480 RM 821944 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142132 Joseph L. M. Charboneau 6404 30 6 2011 U.S.A. Montana Phillips Larb Hills (North): E of Lower Harb Road, ca 1.5 air mi E of Beaver Creek, ca 15 air mi SW of Saco; ca 15.5 air mi ESE of Malta. Badlands clay slopes. 2330 2500 ft. 48.3039° N, 107.5591° W; NAD 83, GPS reading T29N R32E S3 NW1/4 48.3039 -107.5591 NAD 83 GPS reading Flowering and Fruiting N 481 RM 822014 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142125 Joseph L. M. Charboneau 6278 30 6 2011 U.S.A. Montana Valley Larb Hills (North): S of Beaver Creek, ca 4.5 air mi NNW of Ashford Spring, ca 6.5 air mi WNW of Hinsdale; ca 31.5 air mi NW of Glasgow. Big sagebrush steppe with greasewood on silty clay. 2210 2370 ft. 48.4098° N, 107.2226° W; NAD 83, GPS reading T31N R35E S30 SE1/4 48.4098 -107.2226 NAD 83 GPS reading Flowering and Fruiting N 482 RM 822183 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142144 Joseph L. M. Charboneau 6634 3 7 2011 U.S.A. Montana Valley Uhlan Coulee, ca 2.5 air mi W of Porcupine Creek, ca 23 air mi N of Fort Peck; ca 12 air mi NE of Glasgow. Badlands clay slopes. 2550 2700 ft. 48.3321° N, 106.4504° W to 48.3246° N, 106.4493° W; NAD 83, GPS reading T30N R41E S30 NW1/4 48.3321 -106.4504 NAD 83 GPS reading Flowering and Fruiting N 483 RM 822437 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142158 Joseph L. M. Charboneau 6889 5 7 2011 U.S.A. Montana Phillips Cottonwood Creek at confluence with Black Coulee, ca 9.5 air mi SW of Horseshoe Lake, ca 15 air mi WSW of Loring; ca 30.5 air mi NNW of Malta. Saltbush and greasewood on silty flats with alkaline seeps and badlands clay slopes. 2630 2700 ft. 48.7393° N, 108.1903° W to 48.7437° N, 108.1693° W; NAD 83, GPS reading T34N R27E S3 N1/2; also S4 NE1/4 and T35N R27E S35 SW1/4 48.7393 -108.1903 NAD 83 GPS reading Flowering and Fruiting N 484 RM 822464 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142159 Joseph L. M. Charboneau 6916 7 7 2011 U.S.A. Montana Valley Little Beaver Creek, S of Grub Detention Reservoir, ca 7.5 air mi W of Last Reservoir, ca 23 air mi WNW of Fort Peck; ca 17.5 air mi SW of Glasgow. Big sagebrush steppe with greasewood and saltbush on silty and clay flats. 2240 2250 ft. 48.0378° N, 106.9156° W; NAD 83, GPS reading T26N R37E S2 NW1/4 48.0378 -106.9156 NAD 83 GPS reading Flowering N 485 RM 822495 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142161 Joseph L. M. Charboneau 6947 7 7 2011 U.S.A. Montana Valley Sage Hen Creek and ridge to the S, along Beaver Branch Road (Little Beaver Road), ca 3 air mi W of January Reservoir, ca 19 air mi WNW of Fort Peck; ca 13 air mi SW of Glasgow. Loose shale hillsides with creeping juniper. 2260 2360 ft. 48.0782° N, 106.8271° W; NAD 83, GPS reading T27N R38E S21 SW1/4 48.0782 -106.8271 NAD 83 GPS reading Flowering and Fruiting N 486 RM 822577 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142166 Joseph L. M. Charboneau 7029 7 7 2011 U.S.A. Montana Valley Charles M. Russell National Wildlife Refuge: N of Refuge Road 108, ca 6.5 air mi ENE of Willow Flat Reservoir, ca 6 air mi WSW of Fort Peck; ca 15 air mi SSE of Glasgow. Big sagebrush steppe on badlands clay hills with large patches of yellow sweetclover. 2260 2370 ft. 47.9998° N, 106.5597° W; NAD 83, GPS reading T26N R40E S21 NE1/4 47.9998 -106.5597 NAD 83 GPS reading Flowering and Fruiting N 487 RM 822802 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142178 Joseph L. M. Charboneau 7254 9 7 2011 U.S.A. Montana Valley Bitter Creek Wilderness Study Area: ridge S of Cow Coulee, ca 7.5 air mi SSW of Last Chance Reservoir, ca 21 air mi WSW of Opheim; ca 41 air mi NNW of Glasgow. Shalely and clayey slopes with creeping juniper. 2600 2640 ft. 48.7652° N, 106.8305° W; NAD 83, GPS reading T35N R37E S25 NW1/4 48.7652 -106.8305 NAD 83 GPS reading Flowering and Fruiting N 488 RM 822887 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142182 Joseph L. M. Charboneau 7339 11 7 2011 U.S.A. Montana Phillips Korsbeck Waterfowl Production Area: W of Stage Road, ca 8 air mi N of Ester Lake, ca 24 air mi NNE of Zortman; ca 21.5 air mi SW of Malta. Grasslands on loamy soil with occasional silver sagebrush, alkaline areas, and large patches of crested wheatgrass, yellow sweetclover, and alfalfa. 2590 2600 ft. 48.2154° N, 108.2706° W; NAD 83, GPS reading T28N R27E S5 N1/2 48.2154 -108.2706 NAD 83 GPS reading Flowering and Fruiting N 489 RM 822917 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142185 Joseph L. M. Charboneau 7369 11 7 2011 U.S.A. Montana Phillips American Prairie Reserve: North Fork White Rock Coulee, ca 4.5 air mi ESE of Little Warm Reservoir, ca 24.5 air mi ENE of Zortman; ca 24 air mi SSW of Malta. Grassland hills with big sagebrush on clay to loamy soil. 2600 2640 ft. 48.0479° N, 108.0498° W; NAD 83, GPS reading T27N R28E S36 SE1/4 48.0479 -108.0498 NAD 83 GPS reading Flowering and Fruiting N 490 RM 823136 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142276 Joseph L. M. Charboneau 7588 14 7 2011 U.S.A. Montana Valley Seventh Ridge, ca 4.5 air mi NE of Graveyard Hill, ca 22 air mi SW of Fort Peck; ca 27 air mi SSW of Glasgow. Areas reseeded with crested wheatgrass and yellow sweetclover. 2440 2720 ft. 47.8326° N, 106.8203° W; NAD 83, GPS reading T24N R38E S22 NE1/4 47.8326 -106.8203 NAD 83 GPS reading Flowering and Fruiting N 491 RM 823185 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142280 Joseph L. M. Charboneau 7638 14 7 2011 U.S.A. Montana Valley Charles M. Russell National Wildlife Refuge: Middle Eighth Ridge, ca 2.5 air mi ENE of Graveyard Hill, ca 24 air mi SW of Fort Peck; ca 30 air mi SSW of Glasgow. Ponderosa pine woodland with juniper understory. 2400 2640 ft. 47.7911° N, 106.8199° W to 47.7954° N, 106.8331° W; NAD 83, GPS reading T24N R38E S34 South1/2 47.7911 -106.8199 NAD 83 GPS reading Flowering and Fruiting N 492 RM 823419 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142293 Joseph L. M. Charboneau 7847 Damien Austin 19 7 2011 U.S.A. Montana Phillips American Prairie Reserve: Parrot Coulee at confluence with Beaver Creek, ca 1.5 air mi SW of Veseth Reservoir, ca 16 air mi E of Zortman; ca 36 air mi SSW of Malta. Riparian area around creek bottom surrounded by hay field. 2720 2740 ft. 47.8969° N, 108.2004° W; NAD 83, GPS reading T25N R27E S25 NW1/4 47.8969 -108.2004 NAD 83 GPS reading Flowering and Fruiting N 493 RM 823531 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142301 Joseph L. M. Charboneau 7983 19 7 2011 U.S.A. Montana Phillips Sand Hills: ca 3.5 air mi SSE of Silver Peak, ca 5.5 air mi SSW of Zortman; ca 49 air mi SW of Malta. Sandstone ridge with occasional ponderosa pine, juniper, and big sagebrush. 3320 3440 ft. 47.8436° N, 108.5657° W; NAD 83, GPS reading T24N R25E S7 SE1/4; also S8 SW1/4 47.8436 -108.5657 NAD 83 GPS reading Flowering and Fruiting N 494 RM 823592 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142302 Joseph L. M. Charboneau 8070 21 7 2011 U.S.A. Montana Phillips Charles M. Russell National Wildlife Refuge: Mickey Butte, ca 4 air mi ENE of Dry Lake, ca 43 air mi ESE of Zortman; ca 54.5 air mi S of Malta. Big sagebrush-grasslands on clay hills. 2650 2900 ft. 47.5891° N, 107.7862° W to 47.5913° N, 107.7735° W; NAD 83, GPS reading T21N R31E S18 NE1/4; also S8 SW1/4 47.5891 -107.7862 NAD 83 GPS reading Flowering and Fruiting N 495 RM 823651 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142309 Joseph L. M. Charboneau 8103 21 7 2011 U.S.A. Montana Phillips UL Bend National Wildlife Refuge: Dry Lake along Refuge Road 897, ca 6 air mi SSE of Fish Fossil Reservoir, ca 40 air mi SE of Zortman; ca 56 air mi S of Malta. Dry, silty lake bed. 2360 2400 ft. 47.5697° N, 107.8657° W; NAD 83, GPS reading T21N R30E S21 NE1/4 47.5697 -107.8657 NAD 83 GPS reading Flowering N 496 RM 823897 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142326 Joseph L. M. Charboneau 8348 30 7 2011 U.S.A. Montana Blaine Black Coulee National Wildlife Refuge: Black Coulee, ca 10.5 air mi S of Turner, ca 21 air mi NE of Harlem; ca 34.5 air mi NW of Malta. Grassland hills with scattered silver sagebrush on stony loamy soil. 2910 2970 ft. 48.6947° N, 108.4089° W; NAD 83, GPS reading T34N R25E S24 NW1/4 48.6947 -108.4089 NAD 83 GPS reading Flowering and Fruiting N 497 RM 824005 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142333 Joseph L. M. Charboneau 8476 31 7 2011 U.S.A. Montana Phillips Bowdoin National Wildlife Refuge: along Refuge Tour Road, near Black Coulee Pond, ca 6 air mi NW of Le Noir Reservoir, ca 3.5 air mi E of the Milk River, ca 7 air mi ENE of Malta. Alkaline flats. 2240 2260 ft. 48.3844° N, 107.7352° W to 48.3805° N, 107.7352° W; NAD 83, GPS reading T30N R31E S5 SW1/4 48.3844 -107.7352 NAD 83 GPS reading Flowering and Fruiting N 498 RM 824033 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142336 Joseph L. M. Charboneau 8484 31 7 2011 U.S.A. Montana Phillips Hewitt Lake National Wildlife Refuge: W of Hewitt Lake, ca 4 air mi S of the Milk River, ca 8 air mi ESE of Fanny Hill, ca 17 air mi NE of Malta. Reservoir edge. 2210 2290 ft. 48.5365° N, 107.6116° W; NAD 83, GPS reading T32N R32E S7 SE1/4; also S18 NE1/4 48.5365 -107.6116 NAD 83 GPS reading Flowering N 499 RM 824087 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142343 Joseph L. M. Charboneau 8538 2 8 2011 U.S.A. Montana Valley North Fork Sutherland Creek, along Murray Road, ca 2.5 air mi SSW of Murray Hill, ca 34 air mi WSW of Fort Peck; ca 36 air mi SW of Glasgow. Big sagebrush steppe with greasewood on clay hills. 2340 2380 ft. 47.7787° N, 107.0664° W to 47.7695° N, 107.0638° W; NAD 83, GPS reading T23N R36E S2 SW1/4; also S2 NW1/4 47.7787 -107.0664 NAD 83 GPS reading Flowering and Fruiting N 500 RM 824530 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142356 Joseph L. M. Charboneau 8681 2 8 2011 U.S.A. Montana Valley Corral Reservoir and Timber Creek, S of Triple Crossing Access Road, ca 9.5 air mi WNW of Halfpint Reservoir, ca 41 air mi W of Fort Peck; ca 36 air mi WSW of Glasgow. Grasslands with greasewood and big sagebrush on clay to stony loamy soil. 2640 2650 ft. 47.9436° N, 107.3099° W; NAD 83, GPS reading T25N R34E S2 SW1/4 47.9436 -107.3099 NAD 83 GPS reading Flowering and Fruiting N 501 RM 824562 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142390 Joseph L. M. Charboneau 8713 2 8 2011 U.S.A. Montana Valley Blanche Coulee near its confluence with Larb Creek, ca 4 air mi WNW of Trailerhouse Reservoir, ca 19 air mi SW of Hinsdale; ca 30.5 air mi W of Glasgow. Grasslands with big sagebrush and greasewood. 2340 2350 ft. 48.1584° N, 107.2874° W; NAD 83, GPS reading T28N R34E S25 NW1/4 48.1584 -107.2874 NAD 83 GPS reading Flowering and Fruiting N 502 RM 824681 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142400 Joseph L. M. Charboneau 8832 4 8 2011 U.S.A. Montana Valley Upper reaches of Chisholm Creek, ca 4.5 air mi SSW of Pikes Peak, ca 13.5 air mi SW of Opheim; ca 38 air mi N of Glasgow. Grasslands with scattered silver sagebrush on clay soil. 2830 2880 ft. 48.7287° N, 106.6437° W to 48.7334° N, 106.6433° W; NAD 83, GPS reading T34N R39E S5 NE1/4 48.7287 -106.6437 NAD 83 GPS reading Flowering and Fruiting N 503 RM 824763 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142406 Joseph L. M. Charboneau 8914 4 8 2011 U.S.A. Montana Valley Willow Creek near its confluence with Eagles Nest Coulee and ridge to the W, ca 7.5 air mi WNW of Newberry Flat Reservoir, ca 15 air mi NNE of Hinsdale; ca 32 air mi NW of Glasgow. Steep sandy slope. 2240 2300 ft. 48.5868° N, 106.9702° W to 48.585° N, 106.937° W; NAD 83, GPS reading T33N R36E S25 SW1/4; also S26 SE1/4 48.5868 -106.9702 NAD 83 GPS reading Flowering N 504 RM 825227 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142443 Joseph L. M. Charboneau 9378 11 8 2011 U.S.A. Montana Phillips Bowdoin National Wildlife Refuge: along Refuge Tour Road, near Teal Pond Complex, ca 5 air mi W of Beaver Creek, ca 15 air mi WSW of Saco; ca 11 air mi ENE of Malta. Drying alkaline areas at edge of lake. 2220 2230 ft. 48.406° N, 107.6509° W; NAD 83, GPS reading T31N R31E S35 NE1/4 48.406 -107.6509 NAD 83 GPS reading Flowering N 505 RM 825826 Charboneau 2011 RM Asteraceae Iva axillaris Pursh RM-142456 Joseph L. M. Charboneau 9477 13 8 2011 U.S.A. Montana Phillips Charles M. Russell National Wildlife Refuge: Manning Bottoms along Rock Creek, ca 10 air mi E of Fred Robinson Bridge, ca 21.5 air mi S of Zortman; ca 60 air mi SW of Malta. Floodplain with some groves of willows and cottonwoods on silty soil. 2280 2300 ft. 47.6128° N, 108.4732° W; NAD 83, GPS reading T21N R25E S2 N1/2 47.6128 -108.4732 NAD 83 GPS reading Flowering and Fruiting N 506 RM 844683 Brummer 2012 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh. RM-150886 Lori E. Brummer 8282 2 6 2012 U.S.A. Colorado Montrose Uncompahgre Plateau: Dry Creek SE of Transfer Road, ca 10.5 air mi ENE of Montrose. Salt desert shrub community. 5660 ft. 38.53396° N, 108.06496° W; NAD 83, , GPS reading T49N R11W S2 SE1/4 38.53396 -108.06496 NAD 83 GPS reading Flowering and Fruiting N 507 RM 849915 Brummer 2012 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh. RM-151912 Lori E. Brummer 11520 29 8 2012 U.S.A. Colorado Ouray San Juan Mountains: Uncompahgre National Forest: Uncompahgre Gorge; along U.S. Hwy 550 just NE of Climax Creek, ca 2.5 air mi SE of Ouray. Along cliff base, steep montane canyon. 8860 ft. 37.9889° N, 107.6493° W to 37.9895° N, 107.6505° W; NAD 83, , GPS reading T43N R7W S17 NW1/4; also NE1/4 S16 37.9889 -107.6493 NAD 83 GPS reading Flowering and Fruiting N 508 RM 855397 Irwin 2010 RM Asteraceae Iva axillaris Pursh RM-128964 Joshua J. Irwin 2438 Craig Scott 19 7 2010 U.S.A. Idaho Custer East Fork Salmon Mountains: Spar Canyon at the confluence with the East Fork Salmon River, 6.5 air mi ESE of Clayton. Sandy or gravelly soil in xeric dry wash vegetation; 4° slope, SSW aspect; alluvial geology. 5589 ft. 44.222° N, -114.27923° W; NAD83, uncertainty 10 m., Field Notes T10N R18E S1 44.222 -114.27923 NAD83 10 m. N N Field Notes 26-75 individuals apparent. Flowering N N 509 RM 860786 Irwin 2011 RM Asteraceae Iva axillaris Pursh RM-153929 Joshua J. Irwin 6627 22 7 2011 U.S.A Idaho Butte Little Lost River Valley: irrigation ditch at the base of the East Canyon alluvial fan, 22.1 air mi NE of Arco. Dominant population in mesic soil within herbaceous riparian vegetation, no slope, alluvial geology. 4882 ft. T6N R29E S14 43.84546 -112.96643 NAD 83 30 m. Flowering N N 510 RM 860900 Irwin 2011 RM Asteraceae Iva axillaris Pursh RM-153952 Joshua J. Irwin 6746 23 7 2011 U.S.A Idaho Custer Salmon River: mouth of first unnamed gulch S of Malm Gulch along Ida Hwy 75, 11.0 air mi N of Challis. >150 plants estimated in xeric soil within roadside vegetation, no slope, alluvial geology. 5258 ft. T12N R19E S19 44.34839 -114.26459 NAD 83 30 m. Flowering N N 511 RM 862286 Irwin 2011 RM Asteraceae Iva axillaris Pursh RM-154101 Joshua J. Irwin 8188 20 8 2011 U.S.A Idaho Custer Targhee National Forest: Lemhi Range: North Fork Eightmile Canyon, 32.0 air mi ENE of Mackay. 25-75 plants estimated in xeric soil within roadside vegetation, 6 degree slope, ENE aspect, limestone geology. 7622 ft. T9N R29E S33 44.06323 -113.0043 NAD 83 30 m. 25-75 plants estimated. Flowering and Fruiting N N 512 RM 86851 Refsdal 1994 RM 664131 RM0304700 Asteraceae Iva axillaris Pursh RM-13560 C. H. Refsdal 2057 25 7 1994 U.S.A. Wyoming Sweetwater [location and coordinates withheld] Roadside, flats, and farmlands; gravelly clay soils. 7420 ft. Flowering and Fruiting N RM0304700 N 513 RM 868529 Stewart 2013 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh. RM-153552 Emma E. Freeland 6789 15 7 2013 U.S.A. Montana Beaverhead Blacktail Valley: along Blacktail Road, ca 11 air mi SSE of Dillon, ca 3 air mi N of Ashbough Peak. Roadside. 5590 ft. 45.0668° N, 112.5838° W; NAD 83, , GPS reading T9S R8W S9 SE1/4 45.0668 -112.5838 NAD 83 GPS reading Flowering N 514 RM 869311 Stewart 2013 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh. RM-154273 Emma E. Freeland 7471 27 7 2013 U.S.A. Montana Beaverhead Beaverhead River, ca 1 air mi W of Dillon at Cornell Park. Disturbed ground in a city park along a river. 5110 ft. 45.2151° N, 112.659° W to 45.2178° N, 112.6592° W; NAD 83, , GPS reading T7S R9W S24 45.2151 -112.659 NAD 83 GPS reading Flowering N 515 RM 86969 Refsdal 1994 RM 664159 RM0304774 Asteraceae Iva axillaris Pursh RM-13564 C. H. Refsdal 2163 27 7 1994 U.S.A. Wyoming Sweetwater [location and coordinates withheld] Shoreline and uplands of river; alternating sand and clay sediments. 6145 ft. Flowering and Fruiting N RM0304774 N 516 RM 86988 Refsdal 1994 RM 664228 RM0304706 Asteraceae Iva axillaris Pursh RM-13567 C. H. Refsdal 2180 27 7 1994 U.S.A. Wyoming Sweetwater Basins and Mountains of Southwest Wyoming: Linwood Canyon, ca 3 air mi NE of Manila, UT; junction of Henrys Fork and Wyo Hwy 530. Creek drainage in arid desert. 6300 ft. 41.0023° N, 109.6661° W; uncertainty 1 mi., Digital Map T12N R109W S23; also S26 41.0023 -109.6661 1 mi. GeoLocate AP Flowering and Fruiting N RM0304706 N 517 RM 8707 Taylor, Amy 1998 RM 666772 RM0304710 Asteraceae Iva axillaris Pursh RM-544 Amy J. Roderick 7549 1 8 1998 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Freezeout Mountains: Petes Gap, ca 6 air mi W of Wyo Hwy 487; ca 10.8 air mi NW of Medicine Bow. Creek banks and adjacent flatland of birdfoot sage and shadscale. 6750 ft. 42.024° N, 106.2945° W T24N R79W S28 42.024 -106.2945 Fruiting N RM0304710 N 518 RM 87223 Refsdal 1994 Asteraceae Iva axillaris Pursh RM-13582 C. H. Refsdal 2385 Duane Atwood and Lucy Jordan 2 8 1994 U.S.A. Utah Daggett Southwestern Wyoming and Adjacent Utah: Grasshopper Island in the Green River, ca 11 air mi E of Dutch John. Shoreline. 5460 ft. T2N R23E S14 N1/2 40.9088 -109.2902 1 mi. Calc. from TRS Flowering N N 519 RM 87335 Refsdal 1994 Asteraceae Iva axillaris Pursh RM-13593 C. H. Refsdal 2486 Duane Atwood and Lucy Jordan 3 8 1994 U.S.A. Utah Uintah Southwestern Wyoming and Adjacent Utah: Browns Park: ca 1.2 air mi W of Swinging Bridge, north side of the Green River. Riparian shoreline. 5400 ft. T1N R25E S11 NE1/4 40.8363 -109.0608 1 mi. Calc. from TRS Flowering and Fruiting N N 520 RM 874688 Brummer 2010 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh. RM-129960 Lori E. Brummer 1573 4 8 2010 U.S.A. Colorado Montrose Uncompahgre Plateau: mesa area W of Linscott Canyon, ca 10 air mi SW of Montrose. Pinyon/juniper on sandstone mesa. 7380 7400 ft. 38.391° N, 108.0175° W; GPS reading T48N R9W S30 W1/2 38.391 -108.0175 NAD 83 GPS reading Flowering and Fruiting N 521 RM 875091 Brummer 2010 RM Asteraceae Iva axillaris Pursh 1. Iva axillaris Pursh. RM-129993 Lori E. Brummer 1976 13 8 2010 U.S.A. Colorado Montrose Uncompaghre Plateau: 25 Mesa: Monitor Creek, ca 20.5 air mi SW of Delta. Meadow area in pinyon/juniper. 7000 7400 ft. 38.5305° N, 108.3175° W; GPS reading T50N R2E S3 South1/2 38.5305 -108.3175 NAD 83 GPS reading Flowering N 522 RM 87544 Refsdal 1994 RM 664164 RM0304746 Asteraceae Iva axillaris Pursh RM-13605 C. H. Refsdal 2673 9 8 1994 U.S.A. Wyoming Sweetwater Basins and Mountains of Southwest Wyoming: Seedskadee National Wildlife Refuge: ca 27 air mi NW of Green River; 0.8 mi NE of Refuge Headquarters. Dry meadow, prairie, sandy. 6320 ft. 41.9143° N, 109.8581° W; uncertainty .75 mi., Digital Map T22N R110W S2 W1/2 41.9143 -109.8581 1 mi. GeoLocate AP Flowering N RM0304746 N 523 RM 87600 Refsdal 1994 RM 664163 RM0304747 Asteraceae Iva axillaris Pursh RM-13608 C. H. Refsdal 2721 9 8 1994 U.S.A. Wyoming Sweetwater Basins and Mountains of Southwest Wyoming: Seedskadee National Wildlife Refuge: ca 26 air mi NW of Green River; 2.3 mi S of Refuge Headquarters on through waterfowl viewing gate on north side of river. Upland, gravelly semi-barren sagebrush slopes. 6270 6285 ft. 41.8926° N, 109.8148° W; uncertainty .75 mi., Digital Map T22N R109W S18 NW1/4; also South1/2 S7 41.8926 -109.8148 1 mi. GeoLocate AP Vegetative N RM0304747 N 524 RM 8770 Taylor, Amy 1998 RM 666771 RM0304753 Asteraceae Iva axillaris Pursh RM-549 Amy J. Roderick 7605 2 8 1998 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Hanna Basin: Medicine Bow River at County Road 291, ca 10.1 air mi N of Hanna. Sagebrush-greasewood in disturbed area. 6400 ft. 42.0094° N, 106.5079° W T24N R81W S34 42.0094 -106.5079 Flowering and Fruiting N RM0304753 N 525 RM 87704 Refsdal 1994 RM 664162 RM0304748 Asteraceae Iva axillaris Pursh RM-13611 C. H. Refsdal 2815 14 8 1994 U.S.A. Wyoming Sweetwater Basins and Mountains of Southwest Wyoming: ca 1 air mi W of Green River; 0.6 mi W of junction of Wyo Hwy 374 and East Flaming Gorge Road. River bottom, river rock, clays, willows, grasses. 6080 ft. 41.5429° N, 109.4879° W; uncertainty .5 mi., Digital Map T18N R107W S16 NE1/4 41.5429 -109.4879 1 mi. GeoLocate AP Flowering and Fruiting N RM0304748 N 526 RM 87722 Refsdal 1994 RM 664161 RM0304749 Asteraceae Iva axillaris Pursh RM-13612 C. H. Refsdal 2831 15 8 1994 U.S.A. Wyoming Uinta [location and coordinates withheld] Upland, semi-barren sagebrush slopes. 6500 ft. Flowering and Fruiting N RM0304749 N 527 RM 87795 Refsdal 1994 RM 689967 Asteraceae Iva axillaris Pursh RM-13616 C. H. Refsdal 2896 3 9 1994 U.S.A. Wyoming Sweetwater [location and coordinates withheld] Upland sandy soils, clay river banks. 6250 ft. Flowering N N 528 RM 87828 Refsdal 1994 RM 664170 RM0304701 Asteraceae Iva axillaris Pursh RM-13617 C. H. Refsdal 2925 3 9 1994 U.S.A. Wyoming Lincoln [location and coordinates withheld] Dry irrigation ditch, sandy soils. 6410 6440 ft. Flowering and Fruiting N RM0304701 N 529 RM 87831 Refsdal 1994 RM 664169 RM0304702 Asteraceae Iva axillaris Pursh RM-13617 C. H. Refsdal 2928 3 9 1994 U.S.A. Wyoming Lincoln [location and coordinates withheld] Dry irrigation ditch, sandy soils. 6410 6440 ft. Flowering and Fruiting N RM0304702 N 530 RM 87843 Refsdal 1994 RM 664168 RM0304703 Asteraceae Iva axillaris Pursh RM-13617 C. H. Refsdal 2939 3 9 1994 U.S.A. Wyoming Lincoln [location and coordinates withheld] Dry irrigation ditch, sandy soils. 6410 6440 ft. Vegetative N RM0304703 N 531 RM 87851 Refsdal 1994 RM 664167 RM0304704 Asteraceae Iva axillaris Pursh RM-13618 C. H. Refsdal 2946 3 9 1994 U.S.A. Wyoming Lincoln [location and coordinates withheld] Upland. 6790 ft. Flowering and Fruiting N RM0304704 N 532 RM 87930 Refsdal 1994 RM 664229 RM0304705 Asteraceae Iva axillaris Pursh RM-13624 C. H. Refsdal 3013 3 9 1994 U.S.A. Wyoming Lincoln [location and coordinates withheld] Willow thickets along the creek. 6960 ft. Flowering N RM0304705 N 533 RM 880066 Brummer 2011 RM Asteraceae Iva axillaris Pursh RM-144105 Lori E. Brummer 7059 14 8 2011 U.S.A. Colorado Montrose Uncompahgre Plateau: BLM lands off of H54 Road, ca 12 air mi S of Delta. Along irrigation ditch in desert scrub. 5670 ft. 38.5768° N, 108.0746° W to 38.5748° N, 108.0735° W; NAD 83, , GPS reading T50N R11W S26 NW1/4 38.5768 -108.0746 NAD 83 GPS reading Flowering and Fruiting N 534 RM 89691 Refsdal 1995 RM 634034 RM0304674 Asteraceae Iva axillaris Pursh RM-13717 B. E. Nelson 36368 C. H. Refsdal 7 7 1995 U.S.A. Wyoming Uinta Basins and Mountains of Southwest Wyoming: Bridger Butte, ca 5.5 air mi WSW of Fort Bridger; ca 25.5 air mi E of Evanston. Badland slopes with bentonite and cobblestones, with patches of juniper and sagebrush on the flatter areas. 7300 7500 ft. 41.279° N, 110.4772° W; uncertainty 1 mi. T15N R116W S15 South1/2 41.279 -110.4772 1 mi. Flowering and Fruiting N RM0304674 N 535 RM 91767 Refsdal 1995 RM 634044 RM0304680 Asteraceae Iva axillaris Pursh RM-13788 C. H. Refsdal 5194 B. E. Nelson 10 7 1995 U.S.A. Wyoming Lincoln Basins and Mountains of Southwest Wyoming: west end of Fossil Ridge, ca 16 air mi W of Kemmerer; 7.3 mi SW on Northwest Pipeline access road. Roadside. 7400 7760 ft. 41.7675° N, 110.8375° W; uncertainty 1 mi. T21N R118W S29 N1/2 41.7675 -110.8375 1 mi. Flowering and Fruiting N RM0304680 N 536 RM 91822 Refsdal 1995 RM 634043 RM0304678 Asteraceae Iva axillaris Pursh RM-13789 C. H. Refsdal 5248 13 7 1995 U.S.A. Wyoming Sweetwater Basins and Mountains of Southwest Wyoming: ca 6.2 air mi N of McKinnon; ca 6.1 mi N on County Road 1 from Wyo Hwy 414. Roadside. 7000 7100 ft. 41.1072° N, 109.8953° W; uncertainty 1 mi. T13N R111W S14 SW1/4; also SE1/4 S15 41.1072 -109.8953 1 mi. Flowering and Fruiting N RM0304678 N 537 RM 919750 Heidel 2018 RM 981951 RM0251821 Asteraceae Iva axillaris Pursh RM-455720 Bonnie Heidel 4509 25 5 2018 U.S.A. Wyoming Sweetwater Great Divide Basin Area: Oregon Buttes Wilderness; Study Area: ca 1.2 air mi ENE of Oregon Butte summit, ca 15.3 air mi SSW of South Pass City. Midslope shale outcrop; with Atriplex gardenri var. utahensis, Poa spp. 7680 ft. 42.2578° N, 108.8395° W; WGS 84, , GPS reading T26N R101W S2 SE1/4 NW1/4 42.2578 -108.8395 WGS 84 N N GPS reading Flowering N RM0251821 N 538 RM 92404 Refsdal 1995 RM 634042 RM0304677 Asteraceae Iva axillaris Pursh RM-13805 C. H. Refsdal 5823 23 7 1995 U.S.A. Wyoming Sweetwater Basins and Mountains of Southwest Wyoming: west flank of Cedar Mountain, ca 5 air mi NE of Lonetree; 2.6 mi E of junction of Sage Creek Mountain Road/County Road 4-1 on both sides of county road. Loose clay soils, aspen/sagebrush, spring. 8140 8260 ft. 41.1067° N, 110.0603° W; uncertainty 1 mi. T13N R112W S17 E1/2 41.1067 -110.0603 1 mi. Flowering and Fruiting N RM0304677 N 539 RM 927919 RMHERB2 RM 259993 RM0304612 Asteraceae Iva axillaris Pursh RM-131322 T. A. Bell 7 15 6 1959 U.S.A. Wyoming Fremont Southeast corner of Game and Fish Department Unit, near Ocean Lake. Dry roadside. N RM0304612 N 540 RM 92993 Refsdal 1995 Asteraceae Iva axillaris Pursh RM-13816 C. H. Refsdal 6409 Barbara McNight 1 8 1995 U.S.A. Utah Daggett Southwestern Wyoming and Adjacent Utah: Browns Park: Green River, ca 13 air mi ESE of Dutch John; 1.8 mi S of junction of Jarvie Ranch/Browns Park roads on west side Browns Park Road. Upland, sandy soils, scattered juniper, salt desert shrubs. 5400 5480 ft. T2N R25E S30 South1/2; also N1/2 S31 40.8798 -109.1373 1 mi. Calc. from TRS Flowering and Fruiting N N 541 RM 93013 Refsdal 1995 Asteraceae Iva axillaris Pursh RM-13817 C. H. Refsdal 6429 Barbara McNight 1 8 1995 U.S.A. Utah Daggett Southwestern Wyoming and Adjacent Utah: Browns Park: Swallow Canyon, ca 16 air mi SE of Dutch John. River's edge, sandy soils, Salix, Tamarix. 5400 5520 ft. T1N R25E S3 40.8508 -109.0799 1 mi. Calc. from TRS Flowering and Fruiting N N 542 RM 93041 Refsdal 1995 Asteraceae Iva axillaris Pursh RM-13818 C. H. Refsdal 6457 Barbara McNight 1 8 1995 U.S.A. Utah Daggett Southwestern Wyoming and Adjacent Utah: Browns Park: Green River, ca 12.2 air mi ESE of Dutch John. Sandy soils. 5400 ft. T2N R25E S31 NW1/4; also T2N R24E NE1/4 S36 40.8653 -109.1373 1 mi. Calc. from TRS Flowering and Fruiting N N 543 RM 93545 Refsdal 1995 RM 634038 RM0304675 Asteraceae Iva axillaris Pursh RM-13832 C. H. Refsdal 6956 15 8 1995 U.S.A. Wyoming Uinta [location and coordinates withheld] Salt desert shrubs, sandy soils, calcium carbonate deposits from a mineral spring. 6680 6740 ft. Flowering and Fruiting N RM0304675 N 544 RM 94315 Refsdal 1995 RM 634037 RM0304676 Asteraceae Iva axillaris Pursh RM-13846 C. H. Refsdal 7712 1 9 1995 U.S.A. Wyoming Lincoln Basins and Mountains of Southwest Wyoming: ca 6.8 air mi W of Kemmerer; 2.1 mi S on County Road 328. Rolling sagebrush hills, clay soils. 6880 7120 ft. 41.7822° N, 110.7022° W T21N R117W S21 SE1/4; also SW1/4 S22, NW1/4 S27, NE1/4 S28 41.7822 -110.7022 Flowering and Fruiting N RM0304676 N 545 RM 94386 Refsdal 1995 RM 634036 RM0304681 Asteraceae Iva axillaris Pursh RM-13851 C. H. Refsdal 7783 1 9 1995 U.S.A. Wyoming Uinta [location and coordinates withheld] Creekside, Salix. 6720 ft. Flowering and Fruiting N RM0304681 N 546 RM 94399 Refsdal 1995 RM 634035 RM0304679 Asteraceae Iva axillaris Pursh RM-13852 C. H. Refsdal 7796 2 9 1995 U.S.A. Wyoming Sweetwater Basins and Mountains of Southwest Wyoming: Linwood Canyon, ca 2.8 air mi NE of Manila, Utah on both sides of Wyo Hwy 530. Semi-barren desert hills, scattered juniper, red sandstone outcrops. 6280 6420 ft. 41.0209° N, 109.6458° W; uncertainty 1 mi. T12N R109W S13 W1/2 41.0209 -109.6458 1 mi. Flowering and Fruiting N RM0304679 N 547 RM 9540 Taylor, Amy 1998 RM 666770 RM0304752 Asteraceae Iva axillaris Pursh RM-579 Amy J. Roderick 8297 15 8 1998 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: along Poison Spider Road, ca 19.4 air mi SE of Waltman. Sagebrush-grassland and roadside; red sandy soil. 6100 ft. 42.8147° N, 107.0407° W T33N R85W S21 42.8147 -107.0407 Flowering and Fruiting N RM0304752 N 548 RM 9563 Taylor, Amy 1998 RM 666769 RM0304751 Asteraceae Iva axillaris Pursh RM-580 Amy J. Roderick 8317 17 8 1998 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Como Lake S of U.S. Hwy 30-287, ca 9 air mi W of Medicine Bow townsite. Sagebrush-grassland with greasewood. 6700 ft. 41.9076° N, 106.3721° W T22N R80W S2 41.9076 -106.3721 Flowering N RM0304751 N 549 RM 9669 Taylor, Amy 1998 RM 666768 RM0304750 Asteraceae Iva axillaris Pursh RM-586 Amy J. Roderick 8412 17 8 1998 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Edson N of U.S. Hwy 30-287, ca 12 air mi SW of Hanna. Saline flats near holding pond. 6820 ft. 41.8057° N, 106.7795° W T21N R83W S8 41.8057 -106.7795 Flowering N RM0304750 N 550 RMT 6607 RM Types RM 909608 RM0005514 Asteraceae Iva axillaris Pursh var. parvifolia S. L. Welsh & A. Huber var. nov. an 1. Iva axillaris Pursh var. parvifolia S. L. Welsh & A. Huber var. nov.
. Isotype. RMT-5613 S. Goodrich & A. Huber 28183 7 7 2011 U.S.A. Colorado Moffat Blue Hill. Desert shrub community on light colored clay soil. 6775 ft. 40° 51' 10.3" N, 108° 43' 3.2" W; Specimen Label 40.852861 -108.717556 Specimen Label Ca 2076 m elevation. Flowering and Fruiting N RM0005514 Y Isotype for Iva axillaris Pursh var. parvifolia S. L. Welsh & A. Huber. W. N. Amer. Naturalist 72(4): 445-446. 2012. 551 RMT 8349 COLO Types COLO 544341 COLO01684364 Asteraceae Iva axillaris Pursh var. parvifolia S. L. Welsh & A. Huber var. nov. an 2. Iva axillaris Pursh var. parvifolia S. L. Welsh & A. Huber
. Isotype.
1. Iva axillaris Pursh var. parvifolia S. L. Welsh & A. Huber var. nov.. RMT-7172 Sherel Goodrich 28183(9) A. Huber 7 7 2011 U.S.A. Colorado Moffat Blue Hill. Desert shrub community on light colored clay soil. 6775 ft. 40° 51' 10.3" N, 108° 43' 3.2" W; unknown, , Specimen Label 40.852861 -108.717556 unknown Specimen Label (ca 2076) Flowering and Fruiting COLO01684364 Y Isotype for Iva axillaris Pursh var. parvifolia S. L. Welsh & A. Huber. W. N. Amer. Naturalist 72(4):445 (-446). 2012 [Dec ? 2012]. 552 RM 756510 Hallman 2009 RM Asteraceae Iva axillaris Pursh var. robustior Hook. RM-119562 B. E. Nelson 78335 28 7 2009 U.S.A. Montana Carter Along Little Missouri River or South Camp Crook Road just S of Clay Pigeon Road, ca 10 air mi NE of Albion; ca 23 air mi NE of Alzada. Stream bank and adjacent clay flats. 3250 ft. 45.2991° N, 104.1527° W; NAD 83, , GPS reading T6S R62E S20 N1/2 45.2991 -104.1527 NAD 83 GPS reading Flowering N 553 RM 758046 Hallman 2009 RM 908465 RM0031792 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-119088 Hans Hallman 940 21 6 2009 U.S.A. Montana Powder River S of U.S. Hwy 212 and E of Titus Creek, ca 22.5 air mi ESE of Ashland. Grass-dominated grazing land interspersed with badlands. 3580 3700 ft. 45.5276° N, 105.7898° W; NAD 83, , GPS reading T3S R48W S34 45.5276 -105.7898 NAD 83 GPS reading Flowering N RM0031792 554 RM 760377 Hallman 2009 RM 908466 RM0031793 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-119236 Hans Hallman 3171 28 7 2009 U.S.A. Montana Carter Ca 0.5 air mi S of Ridge Road at the head of Keith Creek, ca 4 air mi SE of Saddle Butte and ca 23.5 air mi SSW of Ekalaka. Top and slopes of grass and sagebrush-dominated butte. 3450 3800 ft. 45.5825° N, 104.7477° W; NAD 83, , GPS reading T3S R56E S13 NW1/4 45.5825 -104.7477 NAD 83 GPS reading Flowering N RM0031793 555 RM 773908 RMHERB1 RM 598180 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-131353 Ronald L. Hartman 40169 T. W. Nelson 6 7 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: U.S. Hwy 20, 26, less than 1 air mi E of Fremont County. Alkaline draw with sandy slopes. 5580 ft. T37N R89W S27 S1/2 Flowering N N 556 RM 773909 WYNND RM 612987 RM0304508 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-131354 Walter Fertig 14600 Jane Struttmann 6 9 1993 U.S.A. Wyoming Fremont Sweetwater River Valley: banks of Sweetwater River, ca 6 air mi SW of Sweetwater Station (TNC Sweetwater Preserve). Wet, grass-rush banks below sandy bluffs on north side of river. 6620 ft. T29N R96W S15 E1/2 NW1/4 N N Flowering N RM0304508 N 557 RM 773910 RMHERB1 RM 598179 RM0304549 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-131355 Ronald L. Hartman 40471 T. W. Nelson 6 7 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: ca 10 air mi SW of Waltman along Powder River. Sandy slopes and sandstone outcrop with juniper. 6400 ft. T34N R88W S2 SW1/4; also S11 NW1/4 Flowering N RM0304549 N 558 RM 794689 Evert 1993 RM 612058 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-16073 Erwin F. Evert 24941 13 6 1993 U.S.A. Montana Carbon Along west side of U.S. Hwy 310 ca 3 mi S of Fromberg. Marsh immediately W of highway with Juncus balticus, Carex praegracilis, and Triglochin. 45.3412° N, 108.9136° W; uncertainty 1 mi. T6S R23E S4 45.3412 -108.9136 1 mi. Vegetative N N 559 RM 864335 Dorn 2013 RM 914598 RM0304688 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-154794 Robert D. Dorn 10761 28 7 2013 U.S.A. Wyoming Goshen Ca 4 air mi NE of Lingle. Moist meadow, with Distichlis. 4300 ft. 42° 10.5' N, 104° 16.9' W; unknown, , Specimen Label 42.175 -104.281667 unknown N GPS reading Flowering N RM0304688 N 560 RM 906579 Dorn 2018 RM 958312 RM0215848 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-452128 Robert D. Dorn 12187 1 8 2018 U.S.A. South Dakota Fall River Cheyenna River at SD Hwy 71, ca 9 mi SSW of Hot Springs. River bank with Spartina and Salix. 3200 ft. 43° 18.3' N, 103° 33.8' W; unknown, , GPS reading 43.305 -103.563333 unknown N GPS reading Fruiting N RM0215848 N 561 RM 907119 RMHERB2 RM 961539 RM0219380 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-452231 Patricia P. Douglas 117 Nancy E. Hastings 9 9 1999 U.S.A. Wyoming Fremont Lander Training Area: west end of transect ca 0.8 km E of Smith Creek, ca 3.3 km NW of Little Popo Agie River. West-facing slope (0-30°); greasewood desert shrubland; Frontier/Mowry formation, clay loam to sandy clay loam; ephemeral stream; with Sarcobatus vermiculatus, Chrysothamnus nauseosus, Artemisia tridentata, Atriplex confertifolia, Grindelia squarrosa, Gutierrezia sarothrae. 1650 1676 m. zone DMC, 698540E, 4744770N to 689667E, 4745036N; unknown, GPS reading N Common; decumbent, taprooted, perennial herb; 3 dm in diameter. Flowering N RM0219380 N 562 RM 907248 RMHERB2 RM 961510 RM0219404 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-452232 Patricia P. Douglas 147 Nancy E. Hastings 10 9 1999 U.S.A. Wyoming Fremont Lander Training Area: drying seep with mineral deposits, ca 1.4 km E of Smith Creek, ca 3.7 km NW of Little Popo Agie River. West-facing slope (up to 15°); Wyoming big sagebrush/desert shrubland with salt grass; Muddy formation; clay with mineral deposits; with Artemisia tridentata, Gutierrezia sarothrae, Grindelia squarrosa, Atriplex gardneri, Distichlis stricta, Koeleria macrantha. 1695 1707 m. zone DMC, 690200E, 4746040N; unknown, GPS reading N Local; erect, rhizomatous, perennial herb; 15 cm tall. Flowering N RM0219404 N 563 RM 927961 RMHERB2 RM 618837 RM0304780 Asteraceae Iva axillaris Pursh var. robustior Hook. RM-459344 E. Evert 18654 8 6 1990 U.S.A. Wyoming Just E of Hwy. Alt. 14 and S of Shoshone River NE of Cody. Gully bottom along irrigation run-off channel with Cirsium arvense, Carex lanuginos, Poa pratensis, Smilacina stellata and Elaeagnus angustifolia. 4680 ft. T53N R101W S13 Flowering and Fruiting N N