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 102957 Rosenthal 1996 RM 680111 RM0057073 Loasaceae Mentzelia dispersa S. Watson RM-14095 Ronald L. Hartman 54764 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 RM0057073 N 2 RM 104807 Northern Absarokas RM 680904 RM0057072 Loasaceae Mentzelia dispersa S. Watson RM-14165 B. E. Nelson 17087 30 6 1989 U.S.A. Wyoming Park Northern Absarokas: Sunlight Basin: above Sulpher Camp, ca 2-3 air mi SE of Geers Point, ca 32 air mi WNW of Cody. Steep scree slope of volcanic material. 7100 7400 ft. 44.67389° N, 109.67417° W; uncertainty 1 mi. T54N R106W S7 44.67389 -109.67417 1 mi. Fruiting N RM0057072 N 3 RM 106083 Rosenthal 1997 RM 680907 RM0057069 Loasaceae Mentzelia dispersa S. Watson RM-14204 David Rosenthal 2228 12 7 1997 U.S.A. Wyoming Park Northern Absaroka Area: Shoshone National Forest: ca 14 air mi W of town of Wapiti on U.S. Hwy 14, 16, & 20 and intersection with Moss Creek, up slope from creek to ridge. Spruce/fir forest to rocky loose slopes and ridges with volcanic substrate. 6500 7000 ft. 44.4763° N, 109.7247° W T52N R107W S15 SW1/4 44.4763 -109.7247 Flowering N RM0057069 N 4 RM 106255 Rosenthal 1997 RM 680906 RM0057070 Loasaceae Mentzelia dispersa S. Watson RM-14209 David Rosenthal 2398 15 7 1997 U.S.A. Wyoming Park Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail, ca 28 air mi SW of Cody. Sagebrush shubland, also dry drainages with pine and juniper woodlands. 6100 6800 ft. 44.2153° N, 109.5636° W T49N R106W S13 E1/2; also SE1/4 S12 44.2153 -109.5636 Flowering N RM0057070 N 5 RM 106290 Rosenthal 1997 RM 680905 RM0057071 Loasaceae Mentzelia dispersa S. Watson RM-14210 David Rosenthal 2432 15 7 1997 U.S.A. Wyoming Park Northern Absaroka Area: Shoshone National Forest: Ishawooa Mesa Trail, up drainage and cutbacks, ca 28 air mi SW of Cody. Rocky and dry south facing slopes with Douglas fir and spruce forest in drainages. 6800 8600 ft. 44.2298° N, 109.5636° W T49N R106W S12 S1/2 NW1/4 44.2298 -109.5636 Flowering N RM0057071 N 6 RM 10724 Taylor, Amy 1997 RM 666416 RM0249723 Loasaceae Mentzelia dispersa S. Watson RM-626 B. E. Nelson 40978 26 6 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Seminoe Mountains: along Seminoe or County Road 351 at the pass, ca 2 air mi NNW of Seminoe Dam; ca 31 air mi NE of Rawlins. Rocky-gravelly slopes with rock outcrops and limber pine woodland. 7440 7660 ft. 42.1807° N, 106.9291° W T26N R84W S31 W1/2 42.1807 -106.9291 Flowering and Fruiting N RM0249723 N 7 RM 108918 Rosenthal 1997 RM 680903 RM0057081 Loasaceae Mentzelia dispersa S. Watson RM-14286 Ronald L. Hartman 58850 Jim Fowler 26 7 1997 U.S.A. Wyoming Park Northern Absaroka Area: east side of Sheep Mountain, ca 11 air mi SW of Cedar Mountain. Rocky slopes with drainage; some limestone, mostly andesite. 6600 7400 ft. 44.4066° N, 109.3454° W T51N R104W S10 E1/2 44.4066 -109.3454 Flowering N RM0057081 N 8 RM 108968 Rosenthal 1997 RM 680902 RM0057082 Loasaceae Mentzelia dispersa S. Watson RM-14288 Ronald L. Hartman 58897 Jim Fowler 27 7 1997 U.S.A. Wyoming Park Northern Absaroka Area: Ishawooa Creek Pack Trail, Ishawooa Hills. Barren to grassy slopes and some wet spots. 6100 6600 ft. 44.2588° N, 109.5233° W T50N R105W S32; also E1/2 S31 44.2588 -109.5233 Flowering N RM0057082 N 9 RM 109173 Rosenthal 1997 RM 680901 RM0057083 Loasaceae Mentzelia dispersa S. Watson RM-14294 Ronald L. Hartman 59102 29 7 1997 U.S.A. Wyoming Park Northern Absaroka Area: Cabin Creek. Stream bottom and adjacent hills. 6700 7600 ft. 44.1257° N, 109.6574° W T48N R107W S13 S1/2; also S1/2 S14 44.1257 -109.6574 Fruiting N RM0057083 N 10 RM 109291 Rosenthal 1997 RM 680900 RM0057084 Loasaceae Mentzelia dispersa S. Watson RM-14298 Ronald L. Hartman 59220 31 7 1997 U.S.A. Wyoming Park Northern Absaroka Area: Ishawooa Pack Trail, ca 1 trail mi either side of Cut Coulee. South exposure, andesitic outcrops and derivatives. 7500 7600 ft. 44.2443° N, 109.6442° W T49N R106W S5 SE1/4; also S1/4 S6 44.2443 -109.6442 Fruiting N RM0057084 N 11 RM 109575 Rosenthal 1997 RM 680899 RM0057085 Loasaceae Mentzelia dispersa S. Watson RM-14306 Ronald L. Hartman 59502 11 8 1997 U.S.A. Wyoming Park Northern Absaroka Area: Bobcat Creek Trail. Douglas fir and limber pine slopes with openings of sagebrush and streamsides. 6300 6500 ft. 44.2878° N, 109.5233° W T50N R105W S20 SW1/4 44.2878 -109.5233 Fruiting N RM0057085 N 12 RM 1100 Snow 1988 RM 671568 RM0057067 Loasaceae Mentzelia dispersa S. Watson RM-6 Neil Snow 2666 24 6 1988 U.S.A. Wyoming Park Southwestern Absarokas: junction of Cabin Creek, South Fork Shoshone River and vicinity, ca 45 air mi SW of Cody. Artemisia-Elymus foothills in dry, stony soil. 6200 6600 ft. 44.3313° N, 109.4629° W T50N R105W S2; also S11 44.3313 -109.4629 Fruiting N RM0057067 N 13 RM 110307 Ebertowski 2002 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Peter J. Ebertowski. RM-14323 B. E. Nelson 56652 Peter Ebertowski 11 6 2002 U.S.A. Wyoming Converse Thunder Basin National Grassland and Vicinity: on the divide between Lake and Meadow creeks and to the W, ca 14 air mi NE of Bill; ca 46 air mi NNE of Douglas. On and around chip stone knolls. 4540 4640 ft. 43.3844° N, 105.0706° W; uncertainty 1 mi. T39N R68W S6 SW1/4; also NW1/4 S7 and T39N R69W SE1/4 S1 43.3844 -105.0706 1 mi. Flowering N N 14 RM 110527 Ebertowski 2002 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Peter J. Ebertowski. RM-14328 B. E. Nelson 56868 Peter Ebertowski 13 6 2002 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: Pine Ridge, ca 1 air mi W of Wyo Hwy 116, ca 4.5 air mi N of Upton. Clay sagebrush slope with scattered ponderosa pine and Rocky Mountain juniper. 4490 4620 ft. 44.1464° N, 104.6108° W; uncertainty 1 mi. T48N R65W S12 N1/2 44.1464 -104.6108 1 mi. Flowering N N 15 RM 110754 Ebertowski 2002 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Peter J. Ebertowski. RM-14334 B. E. Nelson 57093 Peter Ebertowski 16 6 2002 U.S.A. Wyoming Converse Thunder Basin National Grassland and Vicinity: Red Hills ca 0.5-1 air mi WSW of Dugout Bench Mark, ca 46.5 air mi N of Douglas; ca 13 air mi N of Bill. Steep sagebrush scoria slopes. 4940 5040 ft. 43.4131° N, 105.2304° W; uncertainty 1 mi. T40N R70W S26 N1/2 43.4131 -105.2304 1 mi. Flowering and Fruiting N N 16 RM 110810 Ebertowski 2002 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Peter J. Ebertowski. RM-14335 B. E. Nelson 57149 18 6 2002 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: ridge at the heads of Short and Logan creeks, ca 4 air mi W to WSW of Soda Well; ca 24-25 air mi N of Gillette. Steep scoria slope. 4300 4520 ft. 44.6292° N, 105.3798° W; uncertainty 1 mi. T54N R71W S27 W1/2; also NW1/4 S34 44.6292 -105.3798 1 mi. Flowering and Fruiting N N 17 RM 114608 Ebertowski 2002 RM Loasaceae Mentzelia dispersa S. Watson RM-14475 Peter J. Ebertowski 585 24 6 2002 U.S.A. Wyoming Converse Thunder Basin National Grassland and Vicinity: junction of Forest roads 942 and 944, S and above East Logan Draw, ca 26 air mi SSE of Wright; ca 12.5 air mi NNW of Bill. Side of road in sagebrush/grassland. 4880 4970 ft. 43.3988° N, 105.3103° W; uncertainty 0.5 mi. T40N R70W S31 SW1/4 43.3988 -105.3103 1 mi. Flowering and Fruiting N N 18 RM 115010 Ebertowski 2002 RM Loasaceae Mentzelia dispersa S. Watson RM-14485 Peter J. Ebertowski 945 1 7 2002 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: hills N of Thunder Basin Work Center off Wyo Hwy 450, ca 26 air mi ESE of Wright; ca 45 air mi SSE of Gillette. Scoria hills with ponderosa pine and Rocky Mountain juniper. 4590 4920 ft. 43.6859° N, 105.1497° W; uncertainty 1 mi. T43N R69W S21 43.6859 -105.1497 1 mi. Flowering and Fruiting N N 19 RM 116542 Ebertowski 2003 RM Loasaceae Mentzelia dispersa S. Watson RM-14528 Peter J. Ebertowski 5217 20 6 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: hills W of Little Powder River S of Coal Creek on dirt road off of Wyo Hwy 59, ca 23 air mi NNE of Gillette; ca 31 air mi NW of Moorcroft. Scoria hills with ponderosa pine and Rocky Mountain juniper. 3950 4440 ft. 44.5998° N, 105.3595° W T53N R71W S2 44.5998 -105.3595 Flowering and Fruiting N N 20 RM 117032 Ebertowski 2003 RM Loasaceae Mentzelia dispersa S. Watson RM-14540 Peter J. Ebertowski 5705 29 6 2003 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: bentonite pit W of East Iron Creek, on Forest Road 914, ca 8 air mi ESE of Upton; ca 20 air mi NW of Newcastle. Pinus ponderosa forest. 4240 4360 ft. 44.0481° N, 104.4901° W T47N R64W S13 W1/2 44.0481 -104.4901 Flowering and Fruiting N N 21 RM 118119 Ebertowski 2003 RM Loasaceae Mentzelia dispersa S. Watson RM-14563 Peter J. Ebertowski 6789 16 7 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: Rochelle Hills N of Wildcat Creek, on two-track road off Rochelle Hills or Forest Road 933, ca 19 air mi SE of Wright; ca 56 air mi SSE of Gillette. Steep rocky slope with ponderosa pine, Rocky Mountain juniper, and bluebunch wheatgrass. 4900 5040 ft. 44.1464° N, 105.1134° W T48N R69W S11 SE1/4 44.1464 -105.1134 Fruiting N N 22 RM 132554 Evert 1986 RM 725255 RM0057092 Loasaceae Mentzelia dispersa S. Watson RM-15361 Erwin F. Evert 10328 22 6 1986 U.S.A. Wyoming Park North Fork Shoshone River Drainage: Absaroka Mountains: north-south ridge below The Wall and W of Big Creek, ca 7 mi N of U.S. Hwy 14, 16, & 20. Open, rocky habitats. 8900 ft. 44.544° N, 109.6175° W T53N R106W S27 44.544 -109.6175 Fruiting N RM0057092 N 23 RM 134149 Evert 1986 RM 726636 RM0057063 Loasaceae Mentzelia dispersa S. Watson RM-15445 Erwin F. Evert 9951 13 6 1986 U.S.A. Wyoming Park North Fork Shoshone River Drainage: Absaroka Mountains: ridge, 0.5 mi NW of Signal Peak, ca 1 mi N of U.S. Hwy 14, 16, & 20. Open, rocky areas with Artemisia, Haplopappus, and Koeleria. 7000 ft. 44.4763° N, 109.6643° W T52N R106W S18 44.4763 -109.6643 Flowering N RM0057063 N 24 RM 134585 Evert 1987 RM 731216 RM0057065 Loasaceae Mentzelia dispersa S. Watson RM-15467 Erwin F. Evert 12289 16 6 1987 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: ridge between Horse and Sweetwater creeks, ca 1.5-3 mi N of U.S. Hwy 14, 16, & 20. Open, rocky ridge-top with scattered Douglas fir and limber pine. 6800 7500 ft. 44.5053° N, 109.624° W T52N R106W S4; also S9 44.5053 -109.624 Flowering N RM0057065 N 25 RM 134763 Evert 1987 RM 731513 RM0057066 Loasaceae Mentzelia dispersa S. Watson RM-15472 Erwin F. Evert 12467 23 6 1987 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: northeast-southwest trending ridge ca 1/4 mi E of Grinnell Creek and ca 1/8 -3/4 mi N of U.S. Hwy 14, 16, & 20. Convex ridge top and ridge sides composed of grassland/shrubland with Festuca idahoensis, Koelaria macrantha, Elymus spicatus and Artemisia tridentata var. vaseyana. 6800 7600 ft. 44.4908° N, 109.9261° W T52N R109W S12; also T52N R108W S6 44.4908 -109.9261 Flowering N RM0057066 N 26 RM 135089 Evert 1987 RM 731673 RM0057064 Loasaceae Mentzelia dispersa S. Watson RM-15486 Erwin F. Evert 12796 30 6 1987 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: southwest-northeast trending ridge 1-3 mi W of Eagle Creek and ca 0.5-1 mi S of U.S. Hwy 14, 16, & 20. On open, rocky ridgetop with scattered Douglas fir. 7500 8500 ft. 44.4618° N, 109.8858° W T52N R108W S19; also T52N R109W S24 44.4618 -109.8858 Flowering N RM0057064 N 27 RM 136762 Evert 1988 RM 753001 RM0057080 Loasaceae Mentzelia dispersa S. Watson RM-15611 Erwin F. Evert 14560 17 6 1988 U.S.A. Wyoming Park North Fork Shoshone River Drainage: Absaroka Mountains: ridge just E of Mormon Creek, ca 0.5-1.0 mi N of U.S. Hwy 14, 16, & 20. Open, rocky ridge-top with a few scattered limber pine and Douglas fir. 7400 7800 ft. 44.4763° N, 109.8657° W T52N R108W S16 44.4763 -109.8657 Flowering and Fruiting N RM0057080 N 28 RM 138047 Evert 1988 RM 752039 RM0057079 Loasaceae Mentzelia dispersa S. Watson RM-15705 Erwin F. Evert 15867 7 8 1988 U.S.A. Wyoming Park North Fork Shoshone River Drainage: Absaroka Mountains: along Moss Creek, ca 1/2 mi N of U.S. Hwy 14, 16, & 20. Moist-wet gravel bar/streamside dominated by Alnus incana ssp. tenuifolia and Salix bebbii. 6300 ft. 44.4618° N, 109.7247° W T52N R107W S22 NE1/4 44.4618 -109.7247 Fruiting N RM0057079 N 29 RM 140266 Evert 1991 RM 738316 Loasaceae Mentzelia dispersa S. Watson RM-15869 Erwin F. Evert 20540 10 6 1991 U.S.A. Montana Madison [location and coordinates withheld] Shrubland and narrow riparian area with Toxicodendron rydbergii, Symphoricarpos occidentalis, and Prunus virginiana. 4600 4700 ft. Flowering and Fruiting N N 30 RM 141809 Evert 1991 RM 739754 Loasaceae Mentzelia dispersa S. Watson RM-15933 Erwin F. Evert 22080 20 7 1991 U.S.A. Montana Sweet Grass Beartooth Mountains: Gallatin National Forest: along Sliderock Mountain-Grouse Ridge Road (Forest Road 482). Talus and rocky ridge E of road with Sedum lanceolatum, Potentilla hippiana, Douglasia montana, Minuartia nuttallii, and Phacelia hastata. 7100 ft. 45.5743° N, 109.9636° W T3S R14E S14 45.5743 -109.9636 Flowering and Fruiting N N 31 RM 148615 Evert 1995 RM 782496 RM0100898 Loasaceae Mentzelia dispersa S. Watson RM-16258 Erwin F. Evert 28993 15 6 1995 U.S.A. Montana Park Paradise Valley: Gallatin National Forest: La Duke Trail Head, just E of U.S. Hwy 89, ca 6 mi NW of Gardiner. Disturbed sagebrush-grassland with Artemisia arbuscula, Lewisia rediviva, Lappula redowskii, and Allium textile. 5300 5500 ft. 45.095° N, 110.7703° W T8S R8E S32 45.095 -110.7703 Flowering N RM0100898 N 32 RM 153034 Evert 1997 RM 818798 RM0020079 Loasaceae Mentzelia dispersa S. Watson RM-16446 Erwin F. Evert 33452 28 6 1997 U.S.A. Montana Park Ridge and draw immediately E of the Yellowstone River, ca 2.5 mi S of Livingston. Grassland with some scattered limber pine and Douglas fir. 4800 4900 ft. T2S R9E S36 Flowering and Fruiting N RM0020079 N 33 RM 153193 Evert 1997 RM 819524 RM0024440 Loasaceae Mentzelia dispersa S. Watson RM-16454 Erwin F. Evert 33627 10 7 1997 U.S.A. Idaho Fremont Snake River Plains: boating access along the east side of the Henrys Fork River, 2.6 mi W of Ashton. Dry disturbed areas and roadways with Bromus japonicus, Purshia tridentata, and Euphorbia esula. 5200 ft. T9N R42E S33 Flowering and Fruiting N RM0024440 N 34 RM 169068 Foley 2003 RM Loasaceae Mentzelia dispersa S. Watson RM-17076 Erin Foley 1010 Michael Foley 20 6 2003 U.S.A. Colorado Grand Arapaho National Forest: Middle Park: just N of U.S. Hwy 40, ca 3 mi W of Parshall; ca 9 mi E of Kremmling. Roadside and sagebrush steppe. 7500 ft. 40.0662° N, 106.2324° W; GPS Reading T1N R79W S10 W1/2 40.0662 -106.2324 GPS Reading Flowering and Fruiting N N 35 RM 174835 Foley 2004 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Erin Foley. RM-17179 B. E. Nelson 18418 Michelle Nelson 12 6 1990 U.S.A. Colorado Grand Park Range: ridge between French Creek and Colorado River along Blacktail or County Road 11, ca 3.3 air mi NNE of Radium; ca 9.3 air mi SW of Kremmling. Disturbed areas. 8550 ft. 39.9979° N, 106.5395° W; uncertainty 0.25 mi. T1S R82W S2 W1/2 39.9979 -106.5395 0 mi. Flowering and Fruiting N N 36 RM 174902 Foley 2004 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Erin Foley. RM-17181 B. E. Nelson 49416 15 6 2000 U.S.A. Colorado Grand Middle Park: along Reeder Creek above County Road 33, ca 3 air mi NW of Williams Fork Reservoir; ca 6.5 air mi E of Kremmling. Steep, gravelly slopes. 7560 7650 ft. 40.0438° N, 106.2682° W; uncertainty 0.25 mi. T1N R79W S17 SW1/4 40.0438 -106.2682 0 mi. Flowering and Fruiting N N 37 RM 178296 Foley 2004 RM Loasaceae Mentzelia dispersa S. Watson RM-17249 Erin Foley 6445 30 5 2004 U.S.A. Colorado Grand Middle Park: ca 6.5 air mi NW of Granby and ca 7.5 air mi NE of Hot Sulphur Springs, just E of Smith Creek. Sagebrush meadow. 8500 9300 ft. 40.1496° N, 105.9995° W; GPS Reading T2N R77W S10 S1/2; also N1/2 S15 40.1496 -105.9995 GPS Reading Flowering and Fruiting N N 38 RM 178823 Foley 2004 RM Loasaceae Mentzelia dispersa S. Watson RM-17257 Erin Foley 6965 5 6 2004 U.S.A. Colorado Grand Williams Fork Mountains: Lawson Ridge, ca 6 air mi SE of Kremmling and ca 7 air mi NNW of Green Mountain Reservoir. South-facing well-drained sagebrush slope on granite substrate. 7770 8800 ft. 40.0002° N, 106.3406° W to 39.9821° N, 106.3379° W; GPS Reading T1S R80W S3; also N1/2 S10 40.0002 -106.3406 GPS Reading Flowering and Fruiting N N 39 RM 179208 Foley 2004 RM Loasaceae Mentzelia dispersa S. Watson RM-17266 Erin Foley 7346 10 6 2004 U.S.A. Colorado Grand Middle Park: just S of Hot Sulphur Springs State Wildlife Area and just N of Little Muddy, ca 3.5 air mi SSW of Hot Sulphur Springs and 11 air mi SW of Granby. Sandy slope adjacent to irrigation falls. 8000 8450 ft. 40.0218° N, 106.1089° W to 40.0223° N, 106.114° W; GPS Reading T1N R78W S27 E1/2 40.0218 -106.1089 GPS Reading Flowering and Fruiting N N 40 RM 179397 Foley 2004 RM Loasaceae Mentzelia dispersa S. Watson RM-17269 Erin Foley 7535 Tony Sloan 12 6 2004 U.S.A. Colorado Grand Rabbit Ears Range: Antelope Creek, ca 12.5 air mi NNE of Kremmling and ca 18.5 air mi NW of Hot Sulphur Springs. Roadside. 7840 8040 ft. 40.2318° N, 106.3665° W; GPS Reading T3N R80W S8 SW1/4 40.2318 -106.3665 GPS Reading Flowering and Fruiting N N 41 RM 188348 Welp 1995 RM 674892 RM0249726 Loasaceae Mentzelia dispersa S. Watson RM-17656 B. E. Nelson 35032 15 6 1995 U.S.A. Wyoming Carbon [location and coordinates withheld] Anticlinal ridge with bands of sandstones, shales, mudstones, and clay, sandy clay, or sandy soils. 6520 7086 ft. Flowering N RM0249726 N 42 RM 190022 Welp 1995 RM 674891 RM0249727 Loasaceae Mentzelia dispersa S. Watson RM-17723 Laura Welp 6045 4 7 1995 U.S.A. Wyoming Fremont Great Divide Basin Area: Popo Agie River Drainage: near Cottonwood Divide, ca 17 air mi SE of Lander; ca 8 air mi N of Dilabaugh Buttes. Top of draw on north facing slope with tall sagebrush and grasses; rocky soil. 6520 6920 ft. 42.6039° N, 108.5711° W T30N R98W S5 NE1/4; also T31N R98W E1/2 S32 42.6039 -108.5711 Flowering N RM0249727 N 43 RM 196616 Mt Leidy 1995 Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Stuart Markow. RM-14 Ronald L. Hartman 51347 26 6 1995 U.S.A. Wyoming Teton Mount Leidy Highland Area: Gros Ventre River Road, ca 2 air mi E of Forest boundary; just W to overlooking Lower Slide Lake, on the north side. Moist stream banks, aspen groves, and ridge tops. 7200 7800 ft. 43.64683° N, 110.41645° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T43N R113W S33 43.64683 -110.41645 NAD 83 1 mi. N N Nat. Geog. TOPO! LSB Flowering N N 44 RM 213533 Handley 2000 RM Loasaceae Mentzelia dispersa S. Watson RM-19879 Joy Handley 5816 21 6 2000 U.S.A. Idaho Washington Payette National Forest and Vicinity: Weiser River Valley: along west bank of Weiser River, just S of Little Weiser River, ca 2 air mi SSW of Cambridge; ca 6 air mi NNE of Midvale. Riverside and roadside in shrub and grass dominated canyon. 2600 ft. 44.5494° N, 116.6846° W T14N R3W S15 W1/2; also NW1/4 S22 44.5494 -116.6846 Flowering and Fruiting N N 45 RM 213932 Handley 2000 RM Loasaceae Mentzelia dispersa S. Watson RM-19884 Joy Handley 6214 Phillip G. Lawrence 28 6 2000 U.S.A. Idaho Washington Payette National Forest and Vicinity: Weiser River Valley: Rush Creek Road, ca 4 air mi N of Cambridge; ca 14 air mi SW of Council. Roadside in open shrub-grassland, basalt soil. 3100 ft. 44.6218° N, 116.6846° W T15N R3W S22 NW1/4 44.6218 -116.6846 Flowering N N 46 RM 214444 Handley 2000 RM Loasaceae Mentzelia dispersa S. Watson RM-19894 Joy Handley 6719 B. E. Nelson 16 7 2000 U.S.A. Idaho Adams Payette National Forest and Vicinity: Weiser River Valley: along Middle Fork Weiser River Road, ca 6 air mi S of Council; ca 6 air mi N of Indian Valley. Roadside grassland and riparian area. 3000 3100 ft. 44.6363° N, 116.4215° W T15N R1W S14 N1/2; also SW1/4 S11 44.6363 -116.4215 Flowering N N 47 RM 220100 Handley 1999 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Joy Handley. RM-20031 Ronald L. Hartman 64171 Joy Handley 1 6 1999 U.S.A. Idaho Adams Payette National Forest and Vicinity: road to Blue Creek and mouth of Indian Creek along Snake River. Dry canyonland, dispersed powerline road, sumac/annual grass, rocky volcanic soil. 1720 2120 ft. 44.9844° N, 116.8302° W T19N R4W S16; also NE1/4 of SE1/4 and SE1/4 of NE1/4 S17 44.9844 -116.8302 Flowering N N 48 RM 220299 Handley 1999 RM Loasaceae Mentzelia dispersa S. Watson RM-20033 Ronald L. Hartman 64370 Joy Handley 4 6 1999 U.S.A. Idaho Washington Payette National Forest and Vicinity: Snake River 2-5 mi N of Blakes Junction. Rocky volcanics, roadsides, and steep slopes with sagebrush and perennial grasses, and riparian areas. 2000 3640 ft. 44.432° N, 117.202° W T13N R7W S29 South1/2; also N1/2 and NW1/4 of SW1/4 S22, SE1/4 S31; also T12N R7W S6 44.432 -117.202 Flowering N N 49 RM 274552 Lum 2001 RM 803902 RM0099151 Loasaceae Mentzelia dispersa S. Watson RM-22525 Luanne Lum 975 23 7 2001 U.S.A. Wyoming Park Bighorn Basin: along West Timber Creek, ca 15 air mi WSW of Meeteetse. Grassland. 6820 6840 ft. 44.0724° N, 109.1415° W; uncertainty 2 mi. T47N R102W S6 NW1/4; also T48N R102W S1/2 S31 44.0724 -109.1415 2 mi. Flowering N RM0099151 N 50 RM 307492 Mt Leidy 1995 RM 655161 RM0249725 Loasaceae Mentzelia dispersa S. Watson RM-18151 Ronald L. Hartman 51347 26 6 1995 U.S.A. Wyoming Teton Mount Leidy Highland Area: Gros Ventre River Road, ca 2 air mi E of Forest boundary, just W to overlooking Lower Slide Lake, on the north side. Moist stream banks, aspen groves, and ridge tops. 7200 7800 ft. 43.6484° N, 110.4171° W; uncertainty 1 mi. T43N R113W S33 43.6484 -110.4171 1 mi. Flowering N RM0249725 N 51 RM 363353 RMHERB1 RM 740724 RM0248281 Loasaceae Mentzelia dispersa S. Watson RM-38059 N. Duane Atwood 20471 27 8 1995 U.S.A. Wyoming Sweetwater Little Mountain BLM Greenriver Resource area, near Castell Creek along Wyo Hwy 373. At head of creek. 7400 ft. T13N R23E S21 SW1/4 Fruiting N RM0248281 N 52 RM 364533 RMHERB1 RM 681720 RM0248298 Loasaceae Mentzelia dispersa S. Watson RM-38889 Denise Culver 53 11 6 1989 U.S.A. Wyoming Teton Bridger Teton National Forest: ca 2.5 air mi NE of Hoback Junction, ridge directly S of the Game and Fish Complex on Little Horse Creek Road. Sagebrush grassland to Aspen/coniferous forest. 6600 ft. 43.3424° N, 110.6848° W; uncertainty 0.25 mi. T39N R115W S18 SW1/4 of SW1/4 43.3424 -110.6848 0 mi. Flowering and Fruiting N RM0248298 N 53 RM 367315 Evert 1989 RM 577692 RM0057097 Loasaceae Mentzelia dispersa S. Watson RM-40467 Erwin F. Evert 16730 15 6 1989 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: southwest flank of Rattlesnake Mountain, ca 6 mi W of Cody and ca 0.5 mi N of U.S. Hwy 14, 16, & 20. Sagebrush-grassland community with Artemisia nova, Agropyron spicatum and Hymenoxys acaulis dominating. 5400 5800 ft. 44.5079° N, 109.2042° W T52N R103W S2 44.5079 -109.2042 1 mi. N N Flowering N RM0057097 N 54 RM 367506 Evert 1989 RM 577781 RM0057102 Loasaceae Mentzelia dispersa S. Watson RM-40475 Erwin F. Evert 16919 17 6 1989 U.S.A. Wyoming Park North Fork Shoshone River Drainage: Absaroka Mountains: ridge W of Elk Fork Creek, ca 2-3 mi S of U.S. Hwy 14, 16, & 20. Open, rocky ridgetop with scattered Douglas fir and limber pine. 7000 7800 ft. 44.4409° N, 109.684° W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO! T52N R107W S25; also S36 44.4409 -109.684 NAD 83 2 mi. N N Nat. Geog. TOPO! BEN Flowering N RM0057102 N 55 RM 367643 Evert 1989 RM 578040 RM0057101 Loasaceae Mentzelia dispersa S. Watson RM-40479 Erwin F. Evert 17055 21 6 1989 U.S.A. Wyoming Park North Fork Shoshone River Drainage: Absaroka Mountains: ca 1 mi W of Pahaska; ca 1/8 mi N of U.S. Hwy 14, 16, & 20. Open, rocky slope with Mahonia repens, Collinsia parviflora and Galium bifolium. 7100 ft. 44.4908° N, 109.9865° W; uncertainty 1 mi. T52N R109W S9 44.4908 -109.9865 1 mi. Flowering N RM0057101 N 56 RM 367688 Evert 1989 RM 578207 RM0057100 Loasaceae Mentzelia dispersa S. Watson RM-40480 Erwin F. Evert 17099 22 6 1989 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: along the south side of the North Fork Shoshone River, ca 1 3/4 mi W of Elk Fork Creek and ca 1/8 mi N of U.S. Hwy 14, 16, & 20. Sagebrush/grassland community. 6100 ft. 44.4618° N, 109.6844° W T52N R107W S24 44.4618 -109.6844 N N Flowering N RM0057100 N 57 RM 368006 Evert 1989 RM 578254 RM0057099 Loasaceae Mentzelia dispersa S. Watson RM-40497 Erwin F. Evert 17415 2 7 1989 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: ridge just E of Wall Creek, ca 1.5-2.0 mi N of U.S. Hwy 14, 16, & 20. Open sagebrush/grassland community, dominant species include Artemisia nova, Stipa comata, and Agropyron spicatum. 6400 6700 ft. 44.4908° N, 109.483° W T52N R105W S10 44.4908 -109.483 1 mi. N N Flowering N RM0057099 N 58 RM 368197 Evert 1989 RM 578649 RM0057089 Loasaceae Mentzelia dispersa S. Watson RM-40507 Erwin F. Evert 17599 6 7 1989 U.S.A. Wyoming Park North Fork Shoshone River Drainage: Absaroka Mountains: ridge/divide between Moss Creek and Clearwater Creek, ca 1.5-2.5 mi N of U.S. Hwy 14, 16, & 20. Open Douglas fir forest and dry, rocky openings. 7600 8300 ft. 44.5053° N, 109.7247° W T52N R107W S3; also S10 44.5053 -109.7247 Fruiting N RM0057089 N 59 RM 368379 Evert 1989 RM 578411 RM0248299 Loasaceae Mentzelia dispersa S. Watson RM-40518 Erwin F. Evert 17773 15 7 1989 U.S.A. Wyoming Park North Fork Shoshone River Drainage: Absaroka Mountains: Yellowstone National Park: ridge 1/2 - 3/4 mi SW of Cody Peak; ca 1-1.5 mi N of U.S. Hwy 14, 16, & 20. Open, rocky ridgetop, mostly southern exposures with scattered Pinus albicaulis and Abies lasiocarpa. 8000 8800 ft. 44.4908° N, 110.047° W T52N R110W S12 44.4908 -110.047 Flowering and Fruiting N RM0248299 N 60 RM 368631 Evert 1989 RM 579017 RM0057088 Loasaceae Mentzelia dispersa S. Watson RM-40537 Erwin F. Evert 18139 30 7 1989 U.S.A. Wyoming Park Southwestern Absaroka Mountains: Deer Creek Canyon, ca 3/4 mi W of canyon mouth; ca 44 mi SW of Cody. Along trail on south side of canyon on open, rocky, steep south facing slope with scattered limber pine and Douglas fir. Associated species include Elymus spicatus, Oryzopsis hymenoides, et. al. 7500 7600 ft. 44.1718° N, 109.624° W T49N R106W S33 44.1718 -109.624 Fruiting N RM0057088 N 61 RM 371684 Evert 1984 RM 609644 RM0057087 Loasaceae Mentzelia dispersa S. Watson RM-41651 Erwin F. Evert 7131 24 7 1984 U.S.A. Wyoming Park North Fork Shoshone River Drainage: Absaroka Mountains: ridge immediately E of Goff Creek, ca 1/2-3 mi S of U.S. Hwy 14, 16, & 20, ca 40 mi W of Cody. 6800 8600 ft. 44.4763° N, 109.8254° W; uncertainty 2 mi. T52N R108W S14; also S23 44.4763 -109.8254 2 mi. Fruiting N RM0057087 N 62 RM 3955 Taylor, Amy 1997 RM 666417 RM0249724 Loasaceae Mentzelia dispersa S. Watson RM-370 Amy J. Roderick 3280 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 RM0249724 N 63 RM 399462 WYNDD RM 615829 RM0248297 Loasaceae Mentzelia dispersa S. Watson RM-58833 Walter Fertig 16213 6 8 1995 U.S.A. Wyoming Carbon Washakie Basin: west slope of Flat Top Mountain, ca 1 mi SW of North Flat Top; ca 0.5 mi NW of head of Robbers Gulch. Southwest facing slope of pale sandstone-shale gravel with scattered slabs of reddish sandstone; Artemisia tridentata-Chrysothamnus nauseosus community with Elymus elymoides above shrubby draw. 7500 7600 ft. 41.2° N, 107.8487° W T14N R93W S10 NW1/4 of NE1/4 41.2 -107.8487 Petals 5, yellow, rounded. Flowering and Fruiting N RM0248297 N 64 RM 400263 WYNDD RM 613455 RM0248274 Loasaceae Mentzelia dispersa S. Watson RM-59299 Walter Fertig 17177 21 8 1996 U.S.A. Wyoming Carbon Shirley Basin: southwest end of Bates Hole, toe of southeast end of Chalk Mountain, ca 3 1/4 mi W of Wyo Hwy 77. Chalky-calcareous whitish slopes below low cliff; widely scattered cushion plant-low shrub-bunchgrass community with Artemisia frigida, and Oryzopsis hymenoides. 7400 7500 ft. 42.3397° N, 106.4619° W; uncertainty 0.5 mi. T27N R80W S6 SW1/4 NW1/4; also T27N R81W NE1/4 SE1/4 S1 42.3397 -106.4619 1 mi. Flowering and Fruiting N RM0248274 N 65 RM 400600 WYNDD RM 683976 RM0248302 Loasaceae Mentzelia dispersa S. Watson RM-59471 Walter Fertig 17578 22 6 1997 U.S.A. Wyoming Carbon Shirley Basin: southeast rim of Bates Hole, ca 3/4 mi N of Wyo Hwy 487; ca 4.5 mi ESE of junction of Wyo Hwys 77 and 487. Chalky cliffs and draws below summit rim of white cliffs. 7340 ft. 42.398° N, 106.3056° W; uncertainty 0.25 mi. T28N R79W S16 NW1/4 of SW1/4 42.398 -106.3056 0 mi. Flowering N RM0248302 N 66 RM 400601 WYNDD RM 683976 Loasaceae Mentzelia dispersa S. Watson RM-59471 Walter Fertig 17578 22 6 1997 U.S.A. Wyoming Carbon Shirley Basin: southeast rim of Bates Hole, ca 3/4 mi N of Wyo Hwy 487; ca 4.5 mi ESE of junction of Wyo Hwys 77 and 487. Chalky cliffs and draws below summit rim of white cliffs. 7340 ft. 42.398° N, 106.3056° W; uncertainty 0.25 mi. T28N R79W S16 NW1/4 of SW1/4 42.398 -106.3056 0 mi. Flowering N N 67 RM 400606 WYNDD RM 682426 RM0057098 Loasaceae Mentzelia dispersa S. Watson RM-59475 Walter Fertig 17584 26 6 1997 U.S.A. Wyoming Park Absaroka Range: ridge system on north side of North Fork Shoshone River between Signal Peak and Anvil Rock, ca 1 mi N of U.S. Hwy 14/16/20; ca 5 air mi W of Wapiti. South and west facing steep to gentle slopes of loose brown volcanic andesite; soil loose sandy-clay with surface of andesite rock and pea gravel; community of Artemisia vaseyana/Elymus spicatus with 25-50% vegetative cover. 7200 7400 ft. 44.4763° N, 109.5428° W; uncertainty 0.5 mi. T52N R105W S18 E1/2 of SW1/4 44.4763 -109.5428 1 mi. Flowering and Fruiting N RM0057098 N 68 RM 429273 Scott 2007 RM 838614 RM0018136 Loasaceae Mentzelia dispersa S. Watson RM-65908 David Scott 3731 Tacheeni Scott 20 6 2007 U.S.A. Wyoming Teton Bridger-Teton National Forest: Teton Wilderness: near Pilgrim Creek, ca 7.5 air mi NW of Moran; ca 21.5 air mi NE of Moose. Patches of mixed conifer forest and montane shrubs on a narrow ridge with well-drained soils. 7300 ft. 43.9309° N, 110.5549° W; GPS Reading T46N R114W S21 SW1/4 43.9309 -110.5549 NAD 83 GPS Reading Flowering and Fruiting N RM0018136 N 69 RM 433724 Snow 1988 RM 671567 RM0057068 Loasaceae Mentzelia dispersa S. Watson RM-66299 Neil Snow 2557 23 6 1988 U.S.A. Wyoming Park Southwestern Absarokas: junction of Cabin Creek, South Fork Shoshone River, ca 45 air mi SW of Cody. Populus-Artemisia-Pinus-Juniperus community. 6600 ft. 44.1257° N, 109.6369° W T48N R106W S18 44.1257 -109.6369 Vegetative N RM0057068 N 70 RM 433834 Snow 1988 Loasaceae Mentzelia dispersa S. Watson RM-6 Neil Snow 2666 24 6 1988 U.S.A. Wyoming Park Southwestern Absarokas: junction of Cabin Creek, South Fork Shoshone River and vicinity, ca 45 air mi SW of Cody. Artemisia-Elymus foothills in dry, stony soil. 6200 6600 ft. 44.3313° N, 109.4629° W T50N R105W S2; also S11 44.3313 -109.4629 N N 71 RM 436834 South Dakota RM 99204 RM0227835 Loasaceae Mentzelia dispersa S. Watson RM-66605 Arthur C. McIntosh 625 20 8 1924 U.S.A. South Dakota Custer Custer. Along railroad in crushed granite. 5280 5700 ft. T3S R4E S26 43.7662 -103.6004 NAD 83 1 mi. Y Y Nat. Geog. TOPO! Flowering N RM0227835 N 72 RM 457891 So Rocky Mts RM 150093 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-77788 C. L. Shear 4036 10 8 1898 U.S.A. Colorado Jackson Steamboat Springs Dry, loose soil. Flowering and Fruiting N N 73 RM 464429 So Rocky Mts RM 162011 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-72287 George E. Osterhout 2984 28 6 1905 U.S.A. Colorado Grand Sulphur Springs. Flowering and Fruiting N N 74 RM 464465 So Rocky Mts RM 95474 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-81022 George E. Osterhout 3099 I. W. Clokey 22 6 1918 U.S.A. Colorado Jefferson Morrison. Dry soil. 5800 ft. Flowering and Fruiting N N 75 RM 464467 So Rocky Mts RM 162010 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-81022 George E. Osterhout 3100 I. W. Clokey 22 6 1918 U.S.A. Colorado Jefferson Morrison. Hillside. 5800 ft. Flowering and Fruiting N N 76 RM 464468 So Rocky Mts RM 313366 Loasaceae Mentzelia dispersa S. Watson RM-81022 George E. Osterhout 3100 I. W. Clokey 22 6 1918 U.S.A. Colorado Jefferson Morrison. Hillside. 5800 ft. Flowering and Fruiting N N 77 RM 464469 So Rocky Mts RM 95409 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-81022 George E. Osterhout 3100 I. W. Clokey 22 6 1918 U.S.A. Colorado Jefferson Morrison. Hillside. 5800 ft. Flowering and Fruiting N N 78 RM 464627 So Rocky Mts RM 162014 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-72367 George E. Osterhout 351 29 5 1894 U.S.A. Colorado Larimer Horsetooth. Buds N N 79 RM 464658 So Rocky Mts RM 60643 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-72317 George E. Osterhout 3604 8 8 1907 U.S.A. Colorado Grand Sulphur Springs. Flowering and Fruiting N N 80 RM 465033 So Rocky Mts RM 162097 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-72369 George E. Osterhout 4749 16 7 1912 U.S.A. Colorado Larimer Horsetooth Mountain. 7200 ft. 40.5398° N, 105.19694° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T7N R70W S26 40.5398 -105.19694 NAD 83 1 mi. Y Y Nat. Geog. TOPO! LSB Flowering and Fruiting N N 81 RM 465338 So Rocky Mts RM 162012 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-81191 George E. Osterhout 5739 I. W. Clokey 22 6 1918 U.S.A. Colorado Jefferson Morrison. Flowering and Fruiting N N 82 RM 465339 So Rocky Mts RM 162009 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-81191 George E. Osterhout 5740 I. W. Clokey 22 6 1918 U.S.A. Colorado Jefferson Morrison. Flowering and Fruiting N N 83 RM 467276 So Rocky Mts RM 87157 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-82023 Ira W. Clokey 3825 27 6 1920 U.S.A. Colorado Jefferson Morrison. Dry soil. 1770 m. Flowering and Fruiting N N 84 RM 467309 So Rocky Mts RM 88018 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-82050 Ira W. Clokey 4216 18 7 1921 U.S.A. Colorado Boulder Boulder Canyon. Dry hillside. 2000 m. Flowering and Fruiting N N 85 RM 468851 So Rocky Mts RM 97047 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-73595 L. M. Schedin s.n. N. T. Schedin 7 1918 U.S.A. Colorado Pitkin Nast: at a mill. Flowering and Fruiting N N 86 RM 470178 So Rocky Mts RM 48627 Loasaceae Mentzelia dispersa S. Watson Mentzelia dispersa S. Watson
Annotated by Robert J. Hill in 1975. RM-83589 no collector 2208 7 6 1894 U.S.A. Colorado Larimer Mountains E of Cameron Pass. Flowering and Fruiting N N 87 RM 504606 So Salt River Range Loasaceae Mentzelia dispersa S. Watson RM-98875 B. E. Nelson 26514 Russ Nelson 25 6 1993 U.S.A. Wyoming Lincoln Southern Salt River Range and Vicinity: Tunp Range: vicinity of a spring on North Fork Leeds Creek coming off Rock Creek Ridge, ca 11 air mi SSE of Cokeville; ca 26.5 air mi NW of Kemmerer. Stony red clay slopes and ridge. 6540 6720 ft. 41° 55' 55" N, 110° 53' 34" W T23N R119W S35 41.931944 -110.892778 Flowering N N 88 RM 506737 Markow 1991 Loasaceae Mentzelia dispersa S. Watson RM-98934 B. E. Nelson 21291 Stuart Markow and Michelle Nelson 25 6 1991 U.S.A. Idaho Bonneville Targhee National Forest: Snake River Range: ridge above Palisades Bench and along Palisades Creek, ca 7-8 air mi SE of Swan Valley, ca 41.5-43 air mi E of Idaho Falls. Disturbed areas on steep slope. 5600 6400 ft. T1N R44E S24; also T1N R45E S19 43.4008 -111.2207 1 mi. Calc. from TRS N N 89 RM 528247 Vanderhorst 1991 RM 684865 Loasaceae Mentzelia dispersa S. Watson RM-102407 James P. Vanderhorst 2191 25 5 1991 U.S.A. Colorado Garfield Flat Tops/White River Plateau: Grand Hogback: Beanes gravesite, ca 10 air mi NW of Rifle. West-sloping sandy clay at base of steep draw, gambel oak-big sagebrush ecotone, spring. 6600 ft. 39.6587° N, 107.889° W; uncertainty 1 mi. T4S R94W S36 39.6587 -107.889 1 mi. Flowering N N 90 RM 528875 Vanderhorst 1991 RM 684864 Loasaceae Mentzelia dispersa S. Watson RM-102458 James P. Vanderhorst 2755 20 6 1991 U.S.A. Colorado Eagle Flat Tops/White River Plateau: Onion Ridge, ca 14 air mi E of Eagle. Dry ridgetop, pinyon pine, juniper, mountain mahogany, scattered oak understory. 7400 8100 ft. 39.6878° N, 107.0988° W T4S R87W S24 39.6878 -107.0988 Flowering N N 91 RM 533578 Ward 1996 RM 667939 RM0249732 Loasaceae Mentzelia dispersa S. Watson RM-58 B. E. Nelson 38661 14 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: along Deep Gulch, North Fork Savery Creek, and Truckdrivers Creek below Sage Creek or County Road 401, ca 31.5 air mi S of Rawlins; ca 27 air mi NE of Baggs. Rocky, steep sagebrush slopes. 7440 7800 ft. 41.3159° N, 107.2604° W; uncertainty 1 mi. T16N R88W S35 41.3159 -107.2604 1 mi. Flowering N RM0249732 N 92 RM 542755 Williams RM 530770 RM0248272 Loasaceae Mentzelia dispersa S. Watson RM-114064 Roger L. Williams 663 16 6 1988 U.S.A. Wyoming Carbon Sierra Madre: Soldier Creek, ca 5.5 air mi S of Encampment. Infrequent on dry sandy slope. 7900 ft. T13N R84W S2 41.1265 -106.8046 NAD 83 1 mi. N N Nat. Geog. TOPO! Flowers yellow. Flowering and Fruiting N RM0248272 N 93 RM 542785 Williams RM 530771 RM0248271 Loasaceae Mentzelia dispersa S. Watson RM-455086 Roger L. Williams 693 10 7 1988 U.S.A. Wyoming Carbon Sierra Madre: South Fork Miner Creek, ca 5 air mi WSW of Encampment. Few plants on dry open slope. 8000 ft. T14N R84W S34 Flowers yellow. Flowering and Fruiting N RM0248271 N 94 RM 543910 Wood 1995 Loasaceae Mentzelia dispersa S. Watson RM-103503 Jean Wood 1732 1 7 1995 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: Kettle River: First Thought Mountain, ca 2 air mi NE of Orient along Forest Road 4149. Rocky, bald mountain top with scattered Douglas fir and edges of warm mixed forest. 3900 ft. 48.8933° N, 118.1647° W T39N R37E S7 W1/2 48.8933 -118.1647 Flowering N N 95 RM 544080 Wood 1995 Loasaceae Mentzelia dispersa S. Watson RM-103504 Jean Wood 1886b 1 7 1995 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: Flat Creek drainage NW of Elbow Lake, ca 10 air mi NE of Orient; along Forest Road 460 from Forest Road 15. Rock outcrops with south and east exposure; open areas surrounded by cool Douglas fir forest. 3500 4000 ft. 48.9506° N, 118.0114° W T40N R38E S20 NE1/4 48.9506 -118.0114 Flowering N N 96 RM 544301 Wood 1995 Loasaceae Mentzelia dispersa S. Watson RM-103508 Jean Wood 2083 5 7 1995 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: Kettle Range: Kettle River Drainage: east end of Grouse Mountain, ca 5 air mi NNW of Orient along Forest Road 150. Mixed forest of cedar/spruce/subalpine fir; south facing rock outcrops and clearings with Douglas fir and pinegrass. 3500 4000 ft. 48.9363° N, 118.2523° W T40N R36E S28 N1/2 48.9363 -118.2523 Flowering N N 97 RM 546215 Wood 1995 Loasaceae Mentzelia dispersa S. Watson RM-103543 Jean Wood 401 26 5 1995 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: Sanpoil River Drainage: ca 7 air mi S of Republic above Rabbit Creek, ca 1/4 mi from junction of Forest roads 2053/600, SW of seed orchard. South facing talinum/bitterroot bald above creek; ponderosa pine/pinegrass and mixed dry forest. 3000 ft. 48.5323° N, 118.7057° W T35N R33E S17 NE1/4 48.5323 -118.7057 Flowering N N 98 RM 546797 Wood 1995 Loasaceae Mentzelia dispersa S. Watson RM-103561 Jean Wood 927 5 6 1995 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: Little Round Top Mountain: Middle Fork Mill Creek, ca 9 road mi NE of Colville on Aladdin Route. Cedar at creekside; mixed Douglas fir forest, and aspen groves on lower slopes; Douglas fir, ponderosa pine and larch with pinegrass and ninebark on upper slopes; rock outcrops of shale/slate. 2300 3300 ft. 48.6196° N, 117.7465° W T36N R40E S15 NW1/4; also NE1/4 S16 48.6196 -117.7465 Flowering N N 99 RM 547922 Wood 1996 Loasaceae Mentzelia dispersa S. Watson RM-103596 Jean Wood 4832 15 6 1996 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: south end of Old Douglas Mountain. Cliffs and talus slopes with mixed forest at base; scattered large ponderosa pine and Douglas fir on higher south facing slopes. 1900 3200 ft. 48.6196° N, 117.8763° W T36N R39E S15 SW1/4; also SE1/4 S16 48.6196 -117.8763 Flowering and Fruiting N N 100 RM 548577 Wood 1996 Loasaceae Mentzelia dispersa S. Watson RM-103607 Jean Wood 5483 30 6 1996 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: west of the Kettle River, ca 2.5 air mi SW of Danville. Open slopes. 3100 ft. 48.9649° N, 118.537° W T40N R34E S17 NW1/4 48.9649 -118.537 Flowering and Fruiting N N 101 RM 548702 Wood 1996 Loasaceae Mentzelia dispersa S. Watson RM-103609 Jean Wood 5607 30 6 1996 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: White Creek above Kettle River, ca 2.5 air mi NE of Curlew. Open south and west facing slopes. 2200 2600 ft. 48.9219° N, 118.5589° W T40N R34E S31 SE1/4 48.9219 -118.5589 Flowering and Fruiting N N 102 RM 548741 Wood 1996 Loasaceae Mentzelia dispersa S. Watson RM-103612 Jean Wood 5645 2 7 1996 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: Lake Ellen, ca 16 air mi WSW of Colville. Mountainside above east end of lake and campground; granite balds with fingers of mixed forest. 2200 2400 ft. 48.5032° N, 118.2486° W T35N R36E S26 W1/2 48.5032 -118.2486 Fruiting N N 103 RM 548913 Wood 1996 Loasaceae Mentzelia dispersa S. Watson RM-103615 Jean Wood 5815 4 7 1996 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: Flagstaff Mountain, ca 3 air mi SW of Northport. South facing mountainside below barite mine; open steppe with scattered brush and occasional ponderosa pine and Douglas fir. 3200 3600 ft. 48.8933° N, 117.858° W T39N R39E S9 N1/2 48.8933 -117.858 Flowering and Fruiting N N 104 RM 552670 Wyo/Salt River 1992 RM 658606 RM0249731 Loasaceae Mentzelia dispersa S. Watson RM-103713 B. E. Nelson 23686 Russ Nelson 20 7 1992 U.S.A. Wyoming Lincoln [location and coordinates withheld] Steep brushy slopes and roadcut. 6300 ft. Flowering and Fruiting N RM0249731 N 105 RM 556395 Wyo/Salt River 1992 RM 658605 RM0249730 Loasaceae Mentzelia dispersa S. Watson RM-103861 Ronald L. Hartman 32838 Bruce Embury 21 6 1992 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Gannett Hills: along Second and Spring creeks; ca 10 air mi SSW of Afton. Streamside and west, generally open slopes with sagebrush-grasslands and scatterd Rocky Mountain juniper. 6640 7200 ft. 42.5992° N, 111.0239° W T30N R119W S8; also S17 42.5992 -111.0239 Flowering and Fruiting N RM0249730 N 106 RM 55887 Bradtke 2001 RM Loasaceae Mentzelia dispersa S. Watson RM-12657 Heather Bradtke 2831 20 7 2001 U.S.A. Washington Garfield Umatilla National Forest and Vicinity: Sunset Point near Forest Road 40 and 4027, ca 10 air mi S of Peola. Rocky slope with mixed forbs and shrubs; soil reddish talus; slope 20; aspect southwest. 5300 5984 ft. 46° 9' 53" N, 117° 31' 34" W; GPS Reading T8N R42E S22 NE1/4 46.164722 -117.526111 GPS Reading Flowering and Fruiting N N 107 RM 561134 Wyo/Salt River 1993 RM 656267 RM0249728 Loasaceae Mentzelia dispersa S. Watson RM-103994 B. E. Nelson 26514 Russ Nelson 25 6 1993 U.S.A. Wyoming Lincoln Wyoming/Salt River Ranges: Tunp Range: vicinity of a spring on North Fork Leeds Creek coming off Rock Creek Ridge, ca 11 air mi SSE of Cokeville; ca 26.5 air mi NW of Kemmerer. Stony red clay slopes and ridge. 6540 6720 ft. 41.9294° N, 110.8928° W T23N R119W S35 41.9294 -110.8928 Flowering N RM0249728 N 108 RM 564077 Wyo/Salt River 1993 RM 656268 RM0249729 Loasaceae Mentzelia dispersa S. Watson RM-104074 Ronald L. Hartman 42879 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 RM0249729 N 109 RM 564952 Cretaceous/Hogsback RM 614384 RM0248314 Loasaceae Mentzelia dispersa S. Watson RM-104092 Ronald L. Hartman 43752 13 8 1993 U.S.A. Wyoming Lincoln Upper Green River Basin: Cretaceous Mountain/Hogsback Ridge Area: just W of Rainbow Camp, ca 20 air mi SW of Big Piney. Shaley slopes and badlands. 6900 ft. 42.2683° N, 110.2506° W T26N R113W S3 W1/2 42.2683 -110.2506 Flowering and Fruiting N RM0248314 N 110 RM 567756 Bighorn Basin RM 933092 RM0097806 Loasaceae Mentzelia dispersa S. Watson RM-104249 B. E. Nelson 11402 5 7 1984 U.S.A. Wyoming Hot Springs Bighorn Basin: along Cottonwood Creek, ca 7 air mi E of Squaw Teat Butte; ca 33 air mi WNW of Thermopolis. Sand-rock bars. 6700 ft. 43.7669° N, 108.8427° W; uncertainty 1 mi. T44N R100W S22 43.7669 -108.8427 1 mi. N RM0097806 N 111 RM 568905 Northern Absarokas RM 535636 RM0057093 Loasaceae Mentzelia dispersa S. Watson RM-104383 B. E. Nelson 12936 17 8 1985 U.S.A. Wyoming Park Northern Absarokas: southeast slope of Windy Mountain leading into Painter and East Fork Painter Gulches, ca 4 air mi NNW of Sunlight Ranger Station, ca 31 air mi NW of Cody. Steep rubble covered slopes with Agropyron spicatum. 8800 9000 ft. 44.7889° N, 109.57278° W T56N R106W S36 44.7889 -109.57278 Flowering N RM0057093 N 112 RM 569414 Bighorn Basin RM 933091 RM0097217 Loasaceae Mentzelia dispersa S. Watson RM-104439 B. E. Nelson 13674 21 6 1987 21 June 1987 U.S.A. Wyoming Park Bighorn Basin: on road between Silvertip and Elk Basin Oil Fields, SSE of Elk Basin Oil Field; ca 14.5 air mi NW of Powell. Vegetated slope in badlands. 4600 ft. 44.9514° N, 108.8756° W T57N R100W S1 44.9514 -108.8756 N RM0097217 N 113 RM 569565 Bighorn Basin RM 933090 RM0097805 Loasaceae Mentzelia dispersa S. Watson RM-104453 B. E. Nelson 13810 23 6 1987 23 June 1987 U.S.A. Wyoming Big Horn Bighorn Basin: west and above Triple Draw, ca 17 air mi ESE of Lovell. Sparsely vegetated slope in bentonite badlands. 4400 ft. 44.7757° N, 108.0583° W T55N R93W S4 44.7757 -108.0583 N RM0097805 N 114 RM 575179 Laramie Mountains RM 335434 RM0248280 Loasaceae Mentzelia dispersa S. Watson RM-104920 B. E. Nelson 2999 27 6 1979 U.S.A. Wyoming Albany Sheep Mountain: ca 25 air mi WSW of Laramie, ca 3.5 air mi N of Woods Landing, east slope of Sheep Mountain. Stony, gravelly sagebrush slopes. 8400 ft. 41.153° N, 106.0247° W; uncertainty 0.5 mi. T14N R77W S27 NE1/4 41.153 -106.0247 1 mi. Flowering and Fruiting N RM0248280 N 115 RM 577824 Big Horn Mts RM 350438 RM0248303 Loasaceae Mentzelia dispersa S. Watson RM-105142 B. E. Nelson 5660 17 6 1980 U.S.A. Wyoming Washakie Big Horn Mountains: Leigh Canyon off Tensleep Canyon, ca 9 air mi NE of Ten Sleep. Stony, open slopes. 6100 ft. 44.0853° N, 107.28056° W; uncertainty 1 mi. T48N R87W S35 44.0853 -107.28056 1 mi. Flowering and Fruiting N RM0248303 N 116 RM 579900 Bighorn Basin RM 933093 RM0097807 Loasaceae Mentzelia dispersa S. Watson RM-105304 B. E. Nelson 7621 7 6 1981 U.S.A. Wyoming Big Horn Bighorn Basin: S of Fivemile Creek, ca 12 air mi WSW of Manderson; ca 22 air mi SW of Basin. Badlands between sandy slopes and sandstone breaks. 4600 ft. 44.2194° N, 108.1857° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T49N R94W S17 44.2194 -108.1857 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN N RM0097807 N 117 RM 579940 Bighorn Basin RM Loasaceae Mentzelia dispersa S. Watson RM-105309 B. E. Nelson 7658 7 6 1981 U.S.A. Wyoming Big Horn Bighorn Basin: Fox Mountain, ca 9 air mi E of Greybull. Badland at the base of the butte. 4500 ft. 44.4939° N, 107.8695° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T52N R92W S11 44.4939 -107.8695 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN N N 118 RM 59083 Bradtke 2002 RM Loasaceae Mentzelia dispersa S. Watson RM-12722 Heather Bradtke 10412 5 8 2002 U.S.A. Oregon Morrow Umatilla National Forest and Vicinity: Forest Road 2104 by Road Canyon, ca 15 mi N and 4 mi E of Monument. In sagebrush dominated area; slope 5-10; aspect southerly. 3841 ft. 45° 1' 40" N, 119° 21' 26" W; GPS Reading zone 11, 4988740E, 314300N; GPS Reading T6S R28E S22 W1/2 45.027778 -119.357222 GPS Reading Flowering N N 119 RM 591439 Dueholm Misc RM 524640 RM0248277 Loasaceae Mentzelia dispersa S. Watson RM-106236 Keith H. Dueholm 10290 4 7 1980 U.S.A. Wyoming Sweetwater Green River Basin: Cedar Mountain, ca 11 air mi NNE of Burntfork. Hard clay slopes. 8000 ft. 41.18° N, 109.9528° W; uncertainty 1 mi. T14N R111W S20 41.18 -109.9528 1 mi. Flowering and Fruiting N RM0248277 N 120 RM 591935 Dueholm Misc RM 524639 RM0248275 Loasaceae Mentzelia dispersa S. Watson RM-106264 Keith H. Dueholm 10785 20 7 1980 U.S.A. Wyoming Sweetwater [location and coordinates withheld] Steep slope with very loose shale debris, just below crest of rim. 8400 ft. Flowering and Fruiting N RM0248275 N 121 RM 594695 Dueholm 1978 RM 327328 RM0248304 Loasaceae Mentzelia dispersa S. Watson RM-106457 Keith H. Dueholm 2766 25 6 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Plains, and rocky slope of butte, with loose talus near summit; talus slope. 5015 ft. Flowering and Fruiting N RM0248304 N 122 RM 595508 Dueholm 1978 RM 327327 RM0248293 Loasaceae Mentzelia dispersa S. Watson RM-106491 Keith H. Dueholm 3578 Mary Alice Sanguinetti 8 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Eroded uplands, ponderosa pine ridges, ravines, sagebrush plains, open clayey slopes, loose talus; talus slopes. 4000 ft. Flowering and Fruiting N RM0248293 N 123 RM 595562 Dueholm 1978 RM 327325 RM0248325 Loasaceae Mentzelia dispersa S. Watson RM-106493 Keith H. Dueholm 3632 Mary Alice Sanguinetti 8 7 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 11 air mi NW of Weston. Rocky slope, clinker outcrops, plains, ravine, wet soil in draw, below holding dam; talus slope. 4100 ft. 44.7497° N, 105.5225° W; uncertainty 1 mi. T55N R72W S16 44.7497 -105.5225 1 mi. N N Flowering and Fruiting N RM0248325 N 124 RM 595615 Dueholm 1978 RM 327326 RM0248300 Loasaceae Mentzelia dispersa S. Watson RM-106495 Keith H. Dueholm 3685 Mary Alice Sanguinetti 8 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Uplift on plains, loose talus slopes, ponderosa pine slopes and ravines; talus slopes. 3900 ft. Flowering and Fruiting N RM0248300 N 125 RM 596057 Dueholm 1978 RM 327333 RM0248292 Loasaceae Mentzelia dispersa S. Watson RM-106511 Keith H. Dueholm 4129 Mary Alice Sanguinetti 13 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Sandy roadside buttes, loose talus slopes, outcrops, plains; talus slopes. 5010 ft. Flowering and Fruiting N RM0248292 N 126 RM 596314 Dueholm 1978 RM 327330 RM0248295 Loasaceae Mentzelia dispersa S. Watson RM-106525 Keith H. Dueholm 4386 Mary Alice Sanguinetti 16 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Plains, scoria topped butte, loose talus slopes; talus slopes. 5000 ft. Flowering and Fruiting N RM0248295 N 127 RM 596426 Dueholm 1978 RM 327323 RM0248323 Loasaceae Mentzelia dispersa S. Watson RM-106529 Keith H. Dueholm 4496 22 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Ponderosa pine covered buttes, steep shale and talus slopes, sagebrush plains at summit, ravines; shaley, talus slope. 4700 ft. Flowering and Fruiting N RM0248323 N 128 RM 596764 Dueholm 1978 RM 327331 RM0248290 Loasaceae Mentzelia dispersa S. Watson RM-106541 Keith H. Dueholm 5123 28 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Scoria topped butte, loose talus slopes, plains; loose talus slopes. 4800 ft. Flowering and Fruiting N RM0248290 N 129 RM 597401 Dueholm 1978 RM 327329 RM0248294 Loasaceae Mentzelia dispersa S. Watson RM-106562 Keith H. Dueholm 5778 8 8 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Scoria-topped hills and loose talus slopes, plains, roadside; slopes. 4700 ft. Flowering and Fruiting N RM0248294 N 130 RM 597612 Dueholm 1978 RM 327324 RM0248324 Loasaceae Mentzelia dispersa S. Watson RM-106576 Keith H. Dueholm 5990 11 8 1978 U.S.A. Wyoming Sheridan [location and coordinates withheld] Plains, rocky slopes, draw with standing water, creek and meadows; rocky slopes. 4400 ft. Flowering and Fruiting N RM0248324 N 131 RM 598218 Dueholm 1979 RM 332075 RM0248319 Loasaceae Mentzelia dispersa S. Watson RM-106617 Keith H. Dueholm 6612 5 6 1979 U.S.A. Wyoming Johnson [location and coordinates withheld] Pine covered uplift, gravelly slopes in open pine forest. 5600 ft. Flowering and Fruiting N RM0248319 N 132 RM 598424 Dueholm 1979 RM 332074 RM0248318 Loasaceae Mentzelia dispersa S. Watson RM-106628 Keith H. Dueholm 6818 9 6 1979 U.S.A. Wyoming Sheridan [location and coordinates withheld] Scoria topped buttes along creek; rocky outcrops. 3700 ft. Flowering and Fruiting N RM0248318 N 133 RM 598505 Dueholm 1979 RM 332076 RM0249132 Loasaceae Mentzelia dispersa S. Watson RM-106632 Keith H. Dueholm 6899 10 6 1979 U.S.A. Wyoming Natrona Powder River Basin: Willow Creek, ca 18 air mi SSW of Kaycee. Shaley pine covered slopes above creek, sagebrush plain at summit of hills, sandy flats along creek, lower clay slopes; pine slopes. 5300 ft. 43.4617° N, 106.753° W; uncertainty 1 mi. T40N R83W S1 43.4617 -106.753 1 mi. Flowering and Fruiting N RM0249132 N 134 RM 599907 Dueholm 1979 RM 332077 RM0248320 Loasaceae Mentzelia dispersa S. Watson RM-106695 Keith H. Dueholm 8456 21 7 1979 U.S.A. Wyoming Johnson Powder River Basin: east side of Lake De Smet. Sagebrush plain on clinker (scorial) base, occasional outcrops; outcrops. 4800 ft. 44.4767° N, 106.73361° W; uncertainty 1 mi. T52N R82W S16 44.4767 -106.73361 1 mi. Flowering and Fruiting N RM0248320 N 135 RM 600076 Dueholm 1979 RM 332078 RM0248321 Loasaceae Mentzelia dispersa S. Watson RM-106703 Keith H. Dueholm 8625 2 8 1979 U.S.A. Wyoming Johnson Powder River Basin: ca 5 air mi NNE of Buffalo. Rolling sagebrush plain over clinker base, hills, occasional clinker outcrops, gravel edges of roadway; hills, outcrops. 4800 ft. 44.4186° N, 106.6697° W; uncertainty 2 mi. T51N R82W S1; also T52N R82W S36 44.4186 -106.6697 2 mi. N N Flowering and Fruiting N RM0248321 N 136 RM 600135 Dueholm 1979 RM 332079 RM0248322 Loasaceae Mentzelia dispersa S. Watson RM-106705 Keith H. Dueholm 8684 3 8 1979 U.S.A. Wyoming Johnson Powder River Basin: ca 3 air mi E of Lake De Smet. High, rocky ridge, gravelly crest with clinker, sagebrush plain at base; crest. 4800 ft. 44.4908° N, 106.69333° W; uncertainty 2 mi. T52N R82W S11; also S12 44.4908 -106.69333 2 mi. Flowering and Fruiting N RM0248322 N 137 RM 603993 Kirkpatrick 1984 RM 560080 RM0057095 Loasaceae Mentzelia dispersa S. Watson RM-106840 Robert S. Kirkpatrick 3242 29 6 1984 U.S.A. Wyoming Park Absaroka Mountains: ca 16 air mi SW of Meeteetse, upper end of the North Fork of Dick Creek, ca 5 mi from the Wood River. Scree and talus with Pinus flexilis; dry areas. 8000 8400 ft. 44.0133° N, 109.1032° W T47N R102W S28; also S29 and S30 44.0133 -109.1032 N RM0057095 N 138 RM 606436 Kirkpatrick 1983 RM 560081 RM0057096 Loasaceae Mentzelia dispersa S. Watson RM-62710 Robert S. Kirkpatrick 554 Ruth E. B. Kirkpatrick 30 6 1983 U.S.A. Wyoming Park Absaroka Mountains: along South Fork Shoshone River ca 5 air mi S of South Fork Ranger Station. River floodplains. 6600 6800 ft. 44.0821° N, 109.6369° W T48N R106W S31; also S30 44.0821 -109.6369 Flowering N RM0057096 N 139 RM 611760 Kirkpatrick 1983 RM 560079 RM0057094 Loasaceae Mentzelia dispersa S. Watson RM-62734 Ronald L. Hartman 15361 Robert S. Kirkpatrick 19 6 1983 U.S.A. Wyoming Park Absaroka Mountains: Bull Creek, ca 2 air mi SE of the South Fork Shoshone River. Sagebrush-rabbit brush grassland and adjacent creek bottoms. 6500 ft. 44.34917° N, 109.30639° W; uncertainty 1 mi. T51N R104W S36 44.34917 -109.30639 1 mi. Flowering and Fruiting N RM0057094 N 140 RM 617416 Snow 1987 RM 671569 RM0057086 Loasaceae Mentzelia dispersa S. Watson RM-107274 Ronald L. Hartman 23176 Neil Snow 23 6 1987 U.S.A. Wyoming Park Southwestern Absarokas: Deer Creek trail, from trail head on South Fork Road to ca 2 mi W. East exposed slope of sandstones and shales with sagebrush and limber pine and south slopes with douglas fir and some igneous outcrops. 6550 7400 ft. 44.1725° N, 109.6433° W; uncertainty 3 mi. T49N R106W S32; also S33 44.1725 -109.6433 3 mi. Flowering N RM0057086 N 141 RM 624179 Dueholm 1978 RM 327332 RM0248291 Loasaceae Mentzelia dispersa S. Watson RM-107662 Ronald L. Hartman 7065 Keith Dueholm and Mary Alice Sanguinetti 23 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 18 air mi WNW of Rockypoint. Eroded hills with ponderosa pine. 3800 ft. 44.9603° N, 105.464° W; uncertainty 2 mi. T57N R72W S1; also T58N R71W S31, T58N R72W S36; also T57N R71W S6 44.9603 -105.464 2 mi. Flowering and Fruiting N RM0248291 N 142 RM 625182 Hartman Misc RM 338354 RM0057077 Loasaceae Mentzelia dispersa S. Watson RM-107711 Ronald L. Hartman 8368 7 7 1978 U.S.A. Wyoming Park North Fork Shoshone River Drainage: South Absaroka Wilderness: Fishhawk Creek, 0.5 to 1 mi SSW of confluence with the North Fork Shoshone River. Open and shaded slopes along creek. 6500 ft. 44.4497° N, 109.84917° W; uncertainty 2 mi. T52N R108W S27; also S34 44.4497 -109.84917 2 mi. Flowering N RM0057077 N 143 RM 62781 Bradtke 2002 RM Loasaceae Mentzelia dispersa S. Watson RM-12836 Heather Bradtke 7606 5 7 2002 U.S.A. Washington Asotin Umatilla National Forest and Vicinity: ca 1 mi S and 10 mi W of Anatone. Tan brown soil; slope 15-20, aspect south. 3470 5415 ft. 46° 7' 19" N, 117° 22' 55" W to 46° 7' 6" N, 117° 23' 51" W; GPS Reading zone 11, 5107267E, 469288N; GPS Reading T7N R43E S2; also S3 46.121944 -117.381944 GPS Reading Flowering and Fruiting N N 144 RM 638795 SE WY 1993 RM 603898 RM0248317 Loasaceae Mentzelia dispersa S. Watson RM-108321 B. E. Nelson 27378 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. Low cliffs and sandstone outcrops in ponderosa pine woodland. 4800 4900 ft. 42.4847° N, 104.9575° W T29N R67W S18 W1/2 42.4847 -104.9575 Flowering and Fruiting N RM0248317 N 145 RM 642361 SE WY 1994 RM 664645 RM0249721 Loasaceae Mentzelia dispersa S. Watson RM-108476 B. E. Nelson 31447 15 6 1994 U.S.A. Wyoming Laramie Southern Powder River Basin/Southeastern Plains: Southeastern Plains: between County Road 215 and Union Pacific Railroad tracks, ca 2.3 air mi W of Hillsdale; ca 15.3 air mi NE of Cheyenne. Sandy grassland flat. 5700 ft. 41.2158° N, 104.5261° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T14N R64W S3 NE1/4 41.2158 -104.5261 NAD 83 0 mi. N N Nat. Geog. TOPO! TB Flowering and Fruiting N RM0249721 N 146 RM 642775 SE WY 1994 RM 664644 RM0249722 Loasaceae Mentzelia dispersa S. Watson RM-108489 B. E. Nelson 31826 21 6 1994 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cow Creek and the north end of Cow Creek Buttes, ca 15 air mi ENE of Bill; ca 43 air mi NE of Douglas. Steep, sparsely vegetated chip rock covered slopes near the top of a scroia butte. 4700 4860 ft. 43.3126° N, 104.9708° W; uncertainty 1 mi. T39N R68W S36; W1/2 S14 43.3126 -104.9708 1 mi. Flowering N RM0249722 N 147 RM 64627 Bradtke 2002 RM Loasaceae Mentzelia dispersa S. Watson RM-12881 Heather Bradtke 9447 27 7 2002 U.S.A. Washington Asotin Umatilla National Forest and Vicinity: Saddle Butte on Forest Road 470 off Forest Road 40, ca 4 mi S and 16 mi W of Anatone. Copper platey soils; slope 0-10; aspect south and ridgetop. 5600 5859 ft. 46° 4' 20" N, 117° 28' 9" W; GPS Reading zone 11, 5102172E, 463721N; GPS Reading T7N R43E S19 46.072222 -117.469167 GPS Reading Flowering and Fruiting N N 148 RM 649395 Laramie Mountains RM 603900 RM0248315 Loasaceae Mentzelia dispersa S. Watson RM-109364 Ronald L. Hartman 41042 13 7 1993 U.S.A. Wyoming Laramie [location and coordinates withheld] Limestone outcrops with mountain mahogany juxtaposed with degrading granites. 7200 ft. Flowering and Fruiting N RM0248315 N 149 RM 65036 Bradtke 2002 RM Loasaceae Mentzelia dispersa S. Watson RM-12890 Heather Bradtke 9856 27 7 2002 U.S.A. Washington Columbia Umatilla National Forest and Vicinity: Wenaha-Tucannon Willderness: Danger Point area on Smooth Ridge Trail, ca 33 mi E and 2 mi N of Walla Walla. Open slope with copper soils and boulders; slope 5-15; aspect east and southeast. 5400 5600 ft. 45° 5' 10" N, 117° 40' 12" W; GPS Reading zone 11, 5103821E, 448197N; GPS Reading T7N R41E S9 S1/2; also S16 45.086111 -117.67 GPS Reading Flowering N N 150 RM 675238 WY Black Hills RM 522883 RM0248301 Loasaceae Mentzelia dispersa S. Watson RM-111865 Lyndon Bucher 2 7 7 1986 U.S.A. Wyoming Weston Ca 2.5 air mi SE of Osage, ca 12 air mi NW of Newcastle. Clay soil, 0-30% west slope, with Ponderosa pine and Carex spp. 4440 ft. T46N R63W S23 NE NW Fruiting N RM0248301 N 151 RM 675360 WY Black Hills RM 194043 RM0248308 Loasaceae Mentzelia dispersa S. Watson RM-111944 Otto Degener 16157 Leroy Peiler 16 7 1942 U.S.A. Wyoming Weston Newcastle. Dryish hill. Flowering and Fruiting N RM0248308 N 152 RM 715136 Elliott, Emily 2007 RM 869871 USFS0064186 Loasaceae Mentzelia dispersa S. Watson RM-115717 Emily Elliott 2817 Ken Elliott 8 7 2007 U.S.A. Montana Park Absaroka Range: Gallatin National Forest: along Forest Road 348, ca 29 air mi SW of Livingston. Road cut in cobbely, sandy soil. 5600 5800 ft. 45.266° N, 110.7717° W; WGS 84, , GPS Reading T6S R8E S32 SE1/4 45.266 -110.7717 WGS 84 GPS Reading Flowering and Fruiting N USFS0064186 153 RM 717760 Elliott, Emily 2007 RM 905437 RM0025058 Loasaceae Mentzelia dispersa S. Watson RM-115854 Ronald L. Hartman 54823 15 6 1996 U.S.A. Wyoming Park Beartooth Mountains: Little Rock Creek, ca 3-4 air mi E of Deep Lake. Rocky slopes and outcrops of sandstone (redbeds) and wet areas along creek. 5200 5800 ft. 44.9018° N, 109.3023° W to 44.9018° N, 109.3278° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO! T57N R103W S20 E1/2; also S21 44.9018 -109.3023 NAD 83 1 mi. Nat. Geog. TOPO! Flowering N RM0025058 154 RM 751273 McNeill 2009 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson. RM-120879 Rick McNeill 5357 28 6 2009 U.S.A. Montana Chouteau Lewis and Clark National Forest: Highwood Mountains: along Forest trail, 1.5 air mi NE of Prospect Peak. Very steep rocky slope; west aspect; 20-40% slope; scattered Pinus ponderosa; shonkinite. 1752 m. 47.4704° N, 110.4822° W; NAD 83, GPS reading T20N R10E S29 47.4704 -110.4822 NAD 83 GPS reading Flowering N 155 RM 753063 McNeill 2009 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson. RM-120943 Rick McNeill 7147 20 7 2009 U.S.A. Montana Meagher Lewis and Clark National Forest: Crazy Mountains: County Road 66 (Forest Lake Road) along West Fork Cottonwood Creek, just NE of junction with Forest Road 8918. Road cut; east aspect; 10-20% slope; granite. 1846 m. 46.3° N, 110.4455° W; NAD 83, GPS reading T6N R10E S11 46.3 -110.4455 NAD 83 GPS reading Flowering N 156 RM 754601 McNeill 2009 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson. RM-125940 Rick McNeill 8685 5 8 2009 U.S.A. Montana Lewis and Clark Helena National Forest: Front Range: Green Mountain, ca 2.5 air mi SSE of Red Mountain. Peak; all aspects; 0-45% slope; scattered Abies lasiocarpa, Pinus contorta, and Pinus flexilis; shallow dry soils, granite. 2263 m. 47.1272° N, 112.4248° W; NAD 83, GPS reading T16N R7W S24 47.1272 -112.4248 NAD 83 GPS reading Flowering N 157 RM 755703 Hallman 2009 USFS 888559 USFS0054877 Loasaceae Mentzelia dispersa S. Watson RM-119482 B. E. Nelson 76819 Hans Hallman 8 6 2009 U.S.A. Montana Carter Custer National Forest: Ekalaka Hills: along and E of Carter Gulch, ca 2.5 air mi SE of Ekalaka. On and below a low cliff. 3600 3840 ft. 45.8774° N, 104.5026° W to 45.8792° N, 104.5005° W to 45.874° N, 104.5059° W; NAD 83, , GPS reading T1N R58E S3 45.8774 -104.5026 NAD 83 GPS reading Flowering N USFS0054877 158 RM 756333 Hallman 2009 USFS 888558 USFS0054876 Loasaceae Mentzelia dispersa S. Watson RM-119547 B. E. Nelson 78159 25 7 2009 U.S.A. Montana Powder River Custer National Forest: Ashland District: vicinity of Cow Creek Camp/ Picnicground on Cow Creek ca 5.5 air mi W of Fort Howes Work Center, ca 25 air mi S Ashland. On and around rock outcrop in ponderosa pine forest. 3980 4020 ft. 45.3074° N, 106.2467° W; NAD 83, , GPS reading T6S R45E S20 NE1/4 45.3074 -106.2467 NAD 83 GPS reading Flowering and Fruiting N USFS0054876 159 RM 758287 Hallman 2009 USFS 888564 USFS0054882 Loasaceae Mentzelia dispersa S. Watson RM-119125 Hans Hallman 1181 25 6 2009 U.S.A. Montana Carter Custer National Forest: Ekalaka Hills: in and around the head of Flasted Draw, 1.5-2 air mi SW of Red Hill and ca 3.5 air mi E of Ekalaka. Upland ponderosa pine woodland. 3950 4230 ft. 45.8766° N, 104.4615° W; NAD 83, , GPS reading T2N R58E S35 E1/2 45.8766 -104.4615 NAD 83 GPS reading Flowering and Fruiting N USFS0054882 160 RM 758703 Hallman 2009 USFS 884670 USFS0049505 Loasaceae Mentzelia dispersa S. Watson RM-119145 Hans Hallman 1597 5 7 2009 U.S.A. Montana Powder River Custer National Forest: Ashland Ranger District: on top of and on southern slope of Home Creek Butte off of Suicide Pass Road spur or Forest Road 4777A, ca 4 air mi NW of Camps Pass and ca 16.5 air mi E of Ashland. Upland woodland dominated by ponderosa pine and grasses; mostly shallow, rocky soils with some rock outcrops. 4300 4400 ft. 45.6027° N, 105.9351° W; NAD 83, , GPS reading T3S R47E S4 W1/2 45.6027 -105.9351 NAD 83 GPS reading Flowering and Fruiting N USFS0049505 161 RM 759695 Hallman 2009 USFS0050614 Loasaceae Mentzelia dispersa S. Watson RM-119188 Hans Hallman 2491 17 7 2009 U.S.A. South Dakota Harding Custer National Forest: Slim Buttes: just SW of Summit Pass on SD Hwy 79, ca 23.5 air mi SE of Buffalo. Grass and Melilotus-dominated south-facing slope. 3300 3450 ft. 45.3713° N, 103.1773° W; NAD 83, , GPS reading T16N R8E S8 N1/2 45.3713 -103.1773 NAD 83 GPS reading Flowering and Fruiting N USFS0050614 162 RM 760046 Hallman 2009 USFS 888562 USFS0054880 Loasaceae Mentzelia dispersa S. Watson RM-119213 Hans Hallman 2841 25 7 2009 U.S.A. South Dakota Harding Custer National Forest: Slim Buttes: in the vicinity of Rimrock Spring, ca 1 air mi S of Forest Road 3151, ca 7.5 air mi SE of Summit Pass on SD Hwy 79 and ca 31 air mi SE of Buffalo. Near base of southwest-facing cliff. 3260 3300 ft. 45.3165° N, 103.0363° W; NAD 83, , GPS reading T16N R9E S28 SW1/4; also N1/2 S33 45.3165 -103.0363 NAD 83 GPS reading Flowering and Fruiting N USFS0054880 163 RM 7722 Taylor, Amy 1998 RM 665893 RM0249720 Loasaceae Mentzelia dispersa S. Watson RM-506 Amy J. Roderick 6665 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. Sagebrush-rabbitbrush draw with black shale slopes. 5700 ft. 42.5986° N, 106.7474° W T30N R83W S2 42.5986 -106.7474 Flowering and Fruiting N RM0249720 N 164 RM 777817 Hallman 2010 USFS Loasaceae Mentzelia dispersa S. Watson RM-130061 Hans Hallman 5318 26 6 2010 U.S.A. Montana Rosebud Custer National Forest: Ashland Ranger District: W of Forest Road 4794 in the vicinity of Horse Creek Buttes, ca 6 air mi SE of Poker Jim Butte, ca 23 air mi S of Ashland. Draw dominated by chokecherry, boxelder, and Symphoricarpos with rock outcrops on margins. 3900 3980 ft. 45.2712° N, 106.2799° W; NAD 83, , GPS reading T6S R44E S36 SE1/4; also T7S R44E S1 NE1/4 and T7S R45E S6 NW1/4 45.2712 -106.2799 NAD 83 GPS reading Flowering N 165 RM 778578 Hallman 2010 USFS 888560 USFS0054878 Loasaceae Mentzelia dispersa S. Watson RM-130365 Hans Hallman 6079 12 7 2010 U.S.A. Montana Powder River Custer National Forest: Ashland Ranger District: in the vicinity of Griffin Pass, E of Forest Road 4431, ca 21.5 air mi ENE of Ashland. Southwest-facing rocky and clayey slope with Phacelia, Cryptantha, Penstemon, Solidago, and Ericameria. 3800 4140 ft. 45.6526° N, 105.8345° W; NAD 83, , GPS reading T2S R48E S20 NW1/4; also S17 SW1/4 45.6526 -105.8345 NAD 83 GPS reading Flowering and Fruiting N USFS0054878 166 RM 787407 Charboneau 2010 RM Loasaceae Mentzelia dispersa S. Watson RM-128517 B. E. Nelson 79508 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 167 RM 787452 Charboneau 2010 RM Loasaceae Mentzelia dispersa S. Watson RM-128519 B. E. Nelson 79553 Joseph L. M. Charboneau 8 6 2010 U.S.A. Montana Valley On Little Beaver Road on ridge SW of Miller Coulee, ca 14.5 air mi SW of Glasgow. Grassland with scattered sagebrush on clay slopes and ridge with gullies. 2250 2300 ft. 48.0726° N, 106.8884° W; GPS reading T27N R37E S25 N1/2 48.0726 -106.8884 NAD 83 GPS reading Flowering N 168 RM 787995 Charboneau 2010 RM Loasaceae Mentzelia dispersa S. Watson RM-128564 B. E. Nelson 80096 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 169 RM 789489 Charboneau 2010 RM Loasaceae Mentzelia dispersa S. Watson RM-127288 Joseph L. M. Charboneau 38 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 N 170 RM 789574 Charboneau 2010 RM Loasaceae Mentzelia dispersa S. Watson RM-127673 Joseph L. M. Charboneau 123 15 6 2010 U.S.A. Montana Valley On Triple Crossing Road, ca 1 air mi N of Gutshot Reservoir, ca 20.5 air mi SW of Glasgow. Clay flats, hillsides, and grasslands with sagebrush and greasewood. 2310 2380 ft. 47.9723° N, 106.9366° W; NAD 83, GPS reading T26N R37E S28 SE1/4 47.9723 -106.9366 NAD 83 GPS reading Flowering and Fruiting N 171 RM 789823 Charboneau 2010 RM Loasaceae Mentzelia dispersa S. Watson RM-127703 Joseph L. M. Charboneau 372 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. Clay soil on mostly barren hillside. 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 172 RM 804089 Missouri Plateau RM 154266 Loasaceae Mentzelia dispersa S. Watson RM-140343 O. A. Stevens 138 William A. Kluender 10 7 1935 U.S.A. North Dakota Morton Glen Ullin. Side of butte. Buds N N 173 RM 804144 Missouri Plateau USFS 516465 Loasaceae Mentzelia dispersa S. Watson RM-140618 Peter F. Stickney 682 12 7 1962 U.S.A. Montana Mineral Lolo National Forest: vicinity of Plateau Lookout, 2.5 mi SW of Alberton. Slope 0-70%, westerly exposure. 5200 ft. T14N R23W S5 W1/2 Flowering N N 174 RM 804145 Missouri Plateau USFS 516464 Loasaceae Mentzelia dispersa S. Watson RM-28797 Peter F. Stickney 2108 6 7 1970 U.S.A. Montana Beaverhead Horse Prairie (west end), along Lemhi Pass Road 7 mi E of Lemhi Pass, 20.2 mi N of Leadore. Frequent 0-5% level-NW along roadside borrow pit. 6350 ft. 44.9785° N, 113.3037° W; uncertainty 1 mi. T10S R14W S10 SW1/4 44.9785 -113.3037 1 mi. Flowering and Fruiting N N 175 RM 804146 Missouri Plateau USFS 516463 Loasaceae Mentzelia dispersa S. Watson RM-137406 R. A. Peterson ABE-16 A. B. Evanko 7 7 1949 U.S.A. Montana Madison Northern Rocky Mountains: Beaverhead National Forest: Warm Spring Creek, Iowa Mae Lodge. Rocky, clay soil; road cuts and backslopes. 6000 ft. T9S R3W S22 Flowering N N 176 RM 804147 Missouri Plateau RM 89827 Loasaceae Mentzelia dispersa S. Watson RM-140619 J. W. Blankinship 205 7 1905 U.S.A. Montana Gallatin Bozeman. Dry ground. 4500 ft. Flowering and Fruiting N N 177 RM 804148 Missouri Plateau RM 366850 Loasaceae Mentzelia dispersa S. Watson RM-136487 Peter Lesica 2967 Anne Bradley 3 6 1984 U.S.A. Montana Sanders Tripp Ranch ca 2 mi NW of Niarada. In light soil on a moderate slope in open ponderosa pine woods. 2900 ft. T24N R24W S14 Flowering and Fruiting N N 178 RM 804149 Missouri Plateau RM 367116 Loasaceae Mentzelia dispersa S. Watson RM-133083 Klaus H. Lackschewitz 6656 9 7 1976 U.S.A. Montana Ravalli West side of Painted Rock Reservoir: above the road. On steep and unstable gravel and rubble slides. 5200 ft. Flowering and Fruiting N N 179 RM 804150 Missouri Plateau RM 218591 Loasaceae Mentzelia dispersa S. Watson RM-136484 C. Leo Hitchcock 17811 29 6 1948 U.S.A. Montana Missoula Blackfoot River, ca 23 mi from Missoula. Base of dry bank above river. Flowering and Fruiting N N 180 RM 804151 Missouri Plateau RM 202897 Loasaceae Mentzelia dispersa S. Watson RM-140264 C. Leo Hitchcock 13302 C. V. Muhlick 6 8 1945 U.S.A. Montana Sweet Grass Foothills of Crazy Mountains: along Big Timber Creek. Dry roadside. Flowering and Fruiting N N 181 RM 804152 Missouri Plateau RM 21557 Loasaceae Mentzelia dispersa S. Watson RM-121461 P. A. Rydberg 4544 Ernst A. Bessey 24 6 1897 U.S.A. Montana Gallatin Spanish Basin. 6500 ft. Flowering and Fruiting N N 182 RM 804153 Missouri Plateau RM 162020 Loasaceae Mentzelia dispersa S. Watson RM-140620 L. M. Umbach 549 27 7 1903 U.S.A. Montana Glacier Midvale. Hillsides. Flowering and Fruiting N N 183 RM 804154 Missouri Plateau RM 162019 Loasaceae Mentzelia dispersa S. Watson RM-121461 P. A. Rydberg 4544 Ernst A. Bessey 24 6 1897 U.S.A. Montana Gallatin Spanish Basin. 6500 ft. Flowering and Fruiting N N 184 RM 804155 Missouri Plateau RM 616412 Loasaceae Mentzelia dispersa S. Watson RM-136485 James P. Vanderhorst 4972 22 6 1993 U.S.A. Montana Beaverhead Tendoy Mountains: Bell Canyon, ca 2 air mi SW of Red Rock. South exposure; ephemerally, moist soil; limstone scree with patches of annuals. 6300 ft. T11S R10W S18 Flowering and Fruiting N N 185 RM 80670 Elliott, Brian 1999 RM Loasaceae Mentzelia dispersa S. Watson RM-13318 Brian Elliott 7532 Elizabeth Mark 20 6 1999 U.S.A. Colorado Saguache Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: E of Colo Hwy 150, ca 1.5 air mi S of Great Sand Dunes National Monument. Grassland and pinyon-juniper. 8000 ft. 37.6676° N, 105.5678° W T27S R73W S29 SW1/4; also N1/2 S32 37.6676 -105.5678 Flowering and Fruiting N N 186 RM 821444 Charboneau 2011 RM Loasaceae Mentzelia dispersa S. Watson RM-142069 Joseph L. M. Charboneau 5888 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. Silty clay hilltops. 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 N 187 RM 821615 Charboneau 2011 RM Loasaceae Mentzelia dispersa S. Watson RM-142086 Joseph L. M. Charboneau 6059 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. Steep, loose shalely hillslopes in ponderosa pine woodland. 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 188 RM 822508 Charboneau 2011 RM Loasaceae Mentzelia dispersa S. Watson RM-142161 Joseph L. M. Charboneau 6960 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 189 RM 830411 Kirkpatrick, Michael 2011 USFS 898172 USFS0059627 Loasaceae Mentzelia dispersa S. Watson RM-144208 Michael K. Kirkpatrick 6559 24 6 2011 U.S.A. Colorado Pitkin South-facing slopes of Triangle Peak, adjacent to County Road 16, ca 6 air mi SE of Basalt. Dry slopes with juniper and sagebrush. 7200 7400 ft. 39.3008° N, 106.9253° W; NAD 83, , GPS reading T9S R85W S6 SW1/4 NE1/4 39.3008 -106.9253 NAD 83 GPS reading Flowering and Fruiting N USFS0059627 190 RM 839360 Hallman 2009 USFS0050244 Loasaceae Mentzelia dispersa S. Watson RM-119145 Hans Hallman 1597 5 7 2009 U.S.A. Montana Powder River Custer National Forest: Ashland Ranger District: on top of and on southern slope of Home Creek Butte off of Suicide Pass Road spur or Forest Road 4777A, ca 4 air mi NW of Camps Pass and ca 16.5 air mi E of Ashland. Upland woodland dominated by ponderosa pine and grasses; mostly shallow, rocky soils with some rock outcrops. 4300 4400 ft. 45.6027° N, 105.9351° W; NAD 83, , GPS reading T3S R47E S4 W1/2 45.6027 -105.9351 NAD 83 GPS reading Flowering and Fruiting N USFS0050244 191 RM 845387 Brummer 2012 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson. RM-151013 Lori E. Brummer 8550 7 6 2012 U.S.A. Colorado Delta West Elk Mountains: Gunnison National Forest: Mount Lamborn: south slope along Bell Creek, Forest Trail 894, ca 6 air mi SE of Paonia. Exposed west-facing hillside in mixed mountain shrub community. 7400 8700 ft. 38.7881° N, 107.543° W to 38.7963° N, 107.5622° W; NAD 83, , GPS reading T14S R91W S34 NE1/4; also S33 38.7881 -107.543 NAD 83 GPS reading Flowering and Fruiting N 192 RM 849375 Hallman 2009 USFS 888563 USFS0054881 Loasaceae Mentzelia dispersa S. Watson RM-119188 Hans Hallman 2491 17 7 2009 U.S.A. South Dakota Harding Custer National Forest: Slim Buttes: just SW of Summit Pass on SD Hwy 79, ca 23.5 air mi SE of Buffalo. Grass and Melilotus-dominated south-facing slope. 3300 3450 ft. 45.3713° N, 103.1773° W; NAD 83, , GPS reading T16N R8E S8 N1/2 45.3713 -103.1773 NAD 83 GPS reading Flowering and Fruiting N USFS0054881 193 RM 851473 RMHERB1 RM 337913 RM0057076 Loasaceae Mentzelia dispersa S. Watson RM-57448 William A. Gerhart 109 Dorothy Jones and D. Rizor 12 6 1981 U.S.A. Wyoming Fremont Game and Fish East Fork Winter Range: East Fork Unit: Bear Creek at Game and Fish Headquarters, ca 10.5 air mi NE of Dubois. Growing in gravelly sand to loam in riparian area to south-facing hill(1-15%) above creek, dominants include Picea pungens, Betula, aspen, cottonwood, sedge, grass, and forbs. 7500 ft. 43.6484° N, 109.5007° W; uncertainty 0.5 mi. T43N R105W S31 NE1/4 43.6484 -109.5007 1 mi. Flowering N RM0057076 N 194 RM 851474 RMHERB1 RM 341617 RM0057074 Loasaceae Mentzelia dispersa S. Watson RM-19748 Erwin F. Evert 3568 15 9 1981 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: ca 32 mi W of Cody on U.S. Hwy 14, 16, and 20, at Blackwater Picnic Area and Fire Memorial. In dry soil. 6150 ft. 44.4618° N, 109.7442° W; uncertainty 0.5 mi. T52N R107W S21 SW1/4 44.4618 -109.7442 1 mi. Fruiting N RM0057074 N 195 RM 851475 RMHERB1 RM 341536 RM0057075 Loasaceae Mentzelia dispersa S. Watson RM-40788 Erwin F. Evert 2996 6 7 1981 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: Three Mile Campground along U.S. Hwy 14, 16, and 20. In lodgepole pine forest. 6640 ft. 44.4908° N, 109.9456° W; uncertainty 0.5 mi. T52N R109W S11 NW1/4 44.4908 -109.9456 1 mi. Fruiting N RM0057075 N 196 RM 851476 RMHERB1 RM 334707 RM0057078 Loasaceae Mentzelia dispersa S. Watson RM-40580 Erwin F. Evert 1936 28 6 1980 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: on north side of U.S. Hwy 14, 16 and 20. Growing in the open with Artemisia, Eriogonum multiceps and Hymenopappus filifolius and Sitanion hystrix. 5400 ft. T52N R104W S11 SE1/4 N N Flowering and Fruiting N RM0057078 N 197 RM 851477 WYNDD RM 645022 RM0057090 Loasaceae Mentzelia dispersa S. Watson RM-59147 Walter Fertig 16864 16 7 1996 U.S.A. Wyoming Park Absaroka Range: North Fork Shoshone River Drainage: ridge on east side of divide between Sweetwater and Clearwater creeks, ca 1 air mi N of the Shoshone River and U.S. Hwy 14, 16 & 20. Steep south and east-facing slopes of dry brown andesite cliffs; community of scattered bunchgrasses on open slopes within woodland of Pinus flexilis and Pseudotsuga. 7400 7600 ft. 44.4763° N, 109.6643° W; uncertainty 0.25 mi. T52N R106W S18 NE1/4 NE1/4 44.4763 -109.6643 0 mi. Annual, petals 5, yellow, ca 2 mm. Flowering N RM0057090 N 198 RM 851478 RMHERB1 RM 357073 RM0057091 Loasaceae Mentzelia dispersa S. Watson RM-40986 Erwin F. Evert 3987 21 6 1982 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: along Clocktower Creek Road, ca 1/4 mi S of U.S. 14, 16 & 20. 6000 ft. 44.4618° N, 109.5831° W; uncertainty 0.5 mi. T52N R106W S23 SE1/4 44.4618 -109.5831 1 mi. Vegetative N RM0057091 N 199 RM 854069 Irwin 2012 RM Loasaceae Mentzelia dispersa S. Watson RM-154161 Joshua J. Irwin 8557 22 6 2012 U.S.A. Idaho Lemhi Salmon River Mountains: foot of the ridge N of the confluence of Silver and Camas Creeks, 26.2 air mi NNW of Challis. <25 individuals estimated in xeric coarse textured soil on barren ground, 35 degree slope, SW aspect, rhyodacite geology. 5334 ft. T17N R17E S6 44.83104 -114.50103 NAD 83 30 m. Flowering and Fruiting N N 200 RM 856505 Irwin 2010 RM Loasaceae Mentzelia dispersa S. Watson RM-129153 Joshua J. Irwin 4002 10 8 2010 U.S.A. Idaho Lemhi Salmon River between Challis and Salmon: roadside gulch with a natural bridge, ca 0.3 mi S of Allison Creek, 5.4 air mi NNE of Ellis. Sandy or gravelly soil in xeric dry wash vegetation; 13° slope, WNW aspect; rhyodacite geology. 4570 ft. 44.76051° N, -113.99399° W; NAD83, uncertainty 10 m., Field Notes T17N R21E S32 44.76051 -113.99399 NAD83 10 m. N N Field Notes 1-25 individuals apparent. Flowering and Fruiting N N 201 RM 857343 Irwin 2010 RM Loasaceae Mentzelia dispersa S. Watson RM-128838 Joshua J. Irwin 1485 24 6 2010 U.S.A. Idaho Lemhi Salmon National Forest: Salmon River Mountains: along Hot Springs Creek Road at unnamed gulch S of the Hot Springs, 5.9 air mi SSW of Shoup. Well developed soil in xeric grassland vegetation; 37° slope, N aspect; granite geology. 4489 ft. 45.30274° N, -114.3392° W; NAD83, uncertainty 10 m., Field Notes T23N R18E S22 45.30274 -114.3392 NAD83 10 m. N N Field Notes 1-25 individuals apparent. Flowering and Fruiting N N 202 RM 863286 Irwin 2010 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Joshua J. Irwin. RM-133464 Ronald L. Hartman 90232 25 7 2010 U.S.A. Idaho Lemhi Salmon National Forest: Beaverhead Mountains: Forest Road 187, Lewis and Clark Backcountry Byway, at Agency Creek, 1.5 air mi W of Lemhi Pass. Streamside with disturbed areas and adjacent Douglas fir forest and meadow. 5900 6500 ft. 44.973° N, 113.4818° W; NAD 83, , GPS reading T19N R26E S15 NE1/4 SW1/4 44.973 -113.4818 NAD 83 GPS reading Fruiting N N 203 RM 865567 Irwin 2011 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Joshua J. Irwin. RM-155167 Ronald L. Hartman 91650 Joshua J. Irwin, Emma E. Stewart 15 6 2011 U.S.A. Idaho Lemhi Salmon National Forest: Lemhi Range: lower Cow Creek, 4.5 air mi NE of Ellis. On lower steep slope, often in shrubs or on rubble. 4780 4900 ft. 44° 44.402' N, 113° 59.475' W to 44° 44.577' N, 113° 58.711' W; NAD 83, , GPS reading T16N R21E S4 South1/2 44.740033 -113.99125 NAD 83 GPS reading Flowering and Fruiting N 204 RM 865948 Irwin 2011 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson
Annotated by Joshua J. Irwin. RM-155204 Ronald L. Hartman 92067 16 8 2011 U.S.A. Idaho Custer Challis National Forest: Southern Salmon River Mountains: ca 1.5 road mi N of Ida Hwy 75 on Squaw Creek Road, along road for ca 0.3 mi, ca 20 air mi SW of Challis. Talus slopes and roadside. 5830 ft. 44° 16.064' N, 114° 27.506' W; NAD 83, , GPS reading T11N R17E S21 44.267733 -114.458433 NAD 83 GPS reading Fruiting N 205 RM 871365 Kirkpatrick, Michael 2011 USFS USFS0061385 Loasaceae Mentzelia dispersa S. Watson RM-144208 Michael K. Kirkpatrick 6559 24 6 2011 U.S.A. Colorado Pitkin South-facing slopes of Triangle Peak, adjacent to County Road 16, ca 6 air mi SE of Basalt. Dry slopes with juniper and sagebrush. 7200 7400 ft. 39.3008° N, 106.9253° W; NAD 83, , GPS reading T9S R85W S6 SW1/4 NE1/4 39.3008 -106.9253 NAD 83 GPS reading Flowering and Fruiting N USFS0061385 206 RM 873509 Brummer 2010 RM Loasaceae Mentzelia dispersa S. Watson 1. Mentzelia dispersa S. Watson. RM-129558 Lori E. Brummer 393 9 6 2010 U.S.A. Colorado Mesa Battlement Mesa: Grand Mesa National Forest: West Fork Kimball Creek, along jeep road that goes W and across the ridge into the Wallace Creek drainage, 6.1 road mi N of Buzzard Creek Road, ca 38 air mi NE of Grand Junction. Oak brush community on shale slopes. 8255 8640 ft. 39.3294° N, 107.9532° W to 39.31907° N, 107.96535° W; NAD 83, , GPS reading T8S R95W S26 SE1/4; also N1/2 S32 39.3294 -107.9532 NAD 83 GPS reading Flowering N 207 RM 882187 Irwin 2011 RM Loasaceae Mentzelia dispersa S. Watson RM-153700 Joshua J. Irwin 4724 7 6 2011 U.S.A Idaho Lemhi Salmon National Forest: Northern Salmon River Mountains: lower Corn Creek gorge, 19.4 air mi W of Shoup. In mesic soil within a mountain mahogany vegetation, 40 degree slope, SE aspect, gneiss geology. 3536 ft. T24N R14E S36 45.37415 -114.67681 NAD 83 30 m. Flowering and Fruiting N N 208 RM 882188 Irwin 2011 RM Loasaceae Mentzelia dispersa S. Watson RM-153799 Joshua J. Irwin 5511 24 6 2011 U.S.A Idaho Custer Challis National Forest: Pahsimeroi Mountains: hillside on the north side of upper Gerry Gulch, 8.4 air mi NE of Challis. In xeric soil within shrub-steppe vegetation, 18 degree slope, S aspect, trachyandesite geology. 6581 ft. T15N R20E S29 44.59874 -114.11847 NAD 83 30 m. Flowering and Fruiting N N 209 RM 882189 Irwin 2011 RM Loasaceae Mentzelia dispersa S. Watson RM-153811 Joshua J. Irwin 5600 Craig Scott 26 6 2011 U.S.A Idaho Custer Challis National Forest: Salmon River Mountains: hillside on the east side of the Middle Fork Salmon River between river mile 95 & 96, 28.5 air mi NW of Stanley. 25-75 plants estimated in xeric coarse textured soil on barren ground, 33 degree slope, SSW aspect, till geology. 5746 ft. T14N R10E S18 44.54321 -115.28941 NAD 83 30 m. 25-75 plants estimated. Flowering and Fruiting N N 210 RM 882190 Irwin 2011 RM Loasaceae Mentzelia dispersa S. Watson RM-153853 Joshua J. Irwin 5919 8 7 2011 U.S.A Idaho Custer Challis National Forest: Pioneer Mountains: hillside above lower Dry Canyon WNW of Big Spring, 18.1 air mi SSW of Mackay. In xeric coarse textured soil within shrub-steppe vegetation, 28 degree slope, SSE aspect, trachyandesite geology. 6873 ft. T4N R23E S22 43.6614 -113.70715 NAD 83 30 m. Flowering and Fruiting N N 211 RM 887399 Thomas 2013 RM Loasaceae Mentzelia dispersa S. Watson 2. Mentzelia dispersa S. Watson
Annotated by Ronald L. Hartman in 2017.
1. Eremothera minor (A. Nelson) W. L. Wagner & Hoch. RM-157359 Georgia G. Thomas 3489 23 6 2014 U.S.A. Idaho Idaho Nez Perce National Forest: Selway-Bitterroot Wilderness: Moose Creek Ranger Station: ca 4 mi upstream along Selway River, Forest Trail 4, ca 56 air mi ESE of Kamiah. Rocky riverside, mixed conifers. 2468 2486 ft. 46° 05.063' N, 114° 53.084' W to 46° 05.061' N, 114° 53.086' W; GPS reading 46.0844 -114.8848 NAD 83 Flowering and Fruiting N 212 RM 918131 SE WY 1993 RM 603899 RM0248316 Loasaceae Mentzelia dispersa S. Watson RM-145 Ronald L. Hartman 38108 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 RM0248316 N 213 RM 918132 RMHERB2 RM 20182 RM0248313 Loasaceae Mentzelia dispersa S. Watson RM-35326 Aven Nelson 6006 Elias Nelson 20 7 1899 U.S.A. Wyoming Park Yellowstone Natioanl Park: Mammoth Hot Springs. On steep slopes. Flowering and Fruiting N RM0248313 N 214 RM 918133 RMHERB2 RM 51323 RM0248312 Loasaceae Mentzelia dispersa S. Watson RM-455058 O. M. Oleson 350 7 1904 July 1904 U.S.A. Wyoming Park Yellowstone National Park: Mammoth Hot Springs. Flowering and Fruiting N RM0248312 N 215 RM 918134 RMHERB2 RM 78017 RM0248311 Loasaceae Mentzelia dispersa S. Watson RM-56357 Seymour S. Sharp 139 21 6 1912 U.S.A. Wyoming Sheridan Hills E of Sheridan. Sandy flat. 3900 ft. N Flowering and Fruiting N RM0248311 N 216 RM 918172 RMHERB2 RM 162018 RM0248310 Loasaceae Mentzelia dispersa S. Watson RM-455072 George E. Osterhout 2265 5 9 1900 U.S.A. Wyoming Albany Near Laramie River. Flowering and Fruiting N RM0248310 N 217 RM 918177 RMHERB2 RM 94181 RM0248309 Loasaceae Mentzelia dispersa S. Watson RM-39480 Edwin B. Payson 2642 Lois B. Payson 11 7 1922 U.S.A. Wyoming Sublette 20 mi W of Big Piney. Roadside. 8000 ft. 42.6079° N, 110.4778° W; NAD 83, uncertainty 2 mi., Digital Map T30N R115W S12 42.6079 -110.4778 NAD 83 2 mi. Y Y Digital Map Located at the junction of Middle Piney Creek and Indian Creek; geo-locate.org. EL Flowering and Fruiting N RM0248309 N 218 RM 918179 RMHERB2 RM 162024 RM0248307 Loasaceae Mentzelia dispersa S. Watson RM-35326 Aven Nelson 6013 Elias Nelson 20 7 1899 U.S.A. Wyoming Park Yellowstone Natioanl Park: Mammoth Hot Springs. On the road grade. Flowering and Fruiting N RM0248307 N 219 RM 918181 RMHERB2 RM 93068 RM0248306 Loasaceae Mentzelia dispersa S. Watson RM-39646 Edwin B. Payson 3315 George M. Armstrong 30 6 1923 U.S.A. Wyoming Lincoln Hills E of Afton. 6600 ft. 42.7269° N, 110.914° W; NAD 83, uncertainty 1 mi., Digital Map T32N R118W S30 42.7269 -110.914 NAD 83 1 mi. N Y Digital Map Located west of Swift Creek Lake; collection acquired between Red Hollow and Graveyard Canyon; geo-locate.org. EL Flowering and Fruiting N RM0248306 N 220 RM 918183 RMHERB2 RM 29473 RM0248305 Loasaceae Mentzelia dispersa S. Watson RM-455075 Aven Nelson 8046 10 8 1900 U.S.A. Wyoming Albany Head of Woods Creek. On the sandy road grade. Flowering and Fruiting N RM0248305 N 221 RM 918188 RMHERB2 RM 681720 Loasaceae Mentzelia dispersa S. Watson RM-455077 Denise Culver 53 11 6 1989 U.S.A. Wyoming Teton Ca 2.5 air miles NE of Hoback junction, ridge directly S of the Game and Fish Complex on Little Horse Creek Road, Bridger N.F. Sagebrush grassland to aspen/coniferous forest. 6600 ft. T39N R115W S18 SW4 SW4 Flowering and Fruiting N N 222 RM 918189 WYNDD RM 580010 RM0248296 Loasaceae Mentzelia dispersa S. Watson RM-57756 Walter Fertig 13017 13 7 1992 U.S.A. Wyoming Fremont Wind River Basin: Beaver Divide, adjacent to Wyo Hwy 135, ca 28 air mi S of Riverton. Steep, crumbly clay-shaley banks of west-facing siltstone outcrop; vegetation sparse. 6760 6800 ft. 42.6903° N, 108.1764° W; uncertainty 0.25 mi. T31N R95W S3 NE1/4 NW1/4 42.6903 -108.1764 0 mi. N N Flowering and Fruiting N RM0248296 N 223 RM 918205 RMHERB2 RM 248570 RM0248279 Loasaceae Mentzelia dispersa S. Watson RM-134147 Wilhelm G. Solheim 3989 Ragnhild Solheim 13 7 1955 U.S.A. Wyoming Teton Grand Teton National Park: Snake River Moose Ponds 1 mi W of Moose. Rocky hillside. 6550 ft. N Flowering and Fruiting N RM0248279 N 224 RM 918207 RMHERB2 RM 5058 RM0248278 Loasaceae Mentzelia dispersa S. Watson RM-112612 Aven Nelson 1455 28 7 1895 U.S.A. Wyoming Albany Cummins. Flowering and Fruiting N RM0248278 N 225 RM 918211 RMHERB2 RM 20184 RM0248276 Loasaceae Mentzelia dispersa S. Watson RM-35328 Aven Nelson 6013 Elias Nelson 20 7 1899 U.S.A. Wyoming Park Yellowstone National Park: Mammoth Hot Springs. On the road grade. Flowering and Fruiting N RM0248276 N 226 RM 918214 RMHERB2 RM 341561 RM0248273 Loasaceae Mentzelia dispersa S. Watson RM-455085 Erwin F. Evert 2902 27 6 1981 U.S.A. Wyoming Fremont Big Horn Mountains: along the Nowood Road ca 20 mi N of Lysite. 6500 ft. T41N R89W S28 N N Flowering and Fruiting N RM0248273 N 227 RM 918273 WYNDD RM 602871 RM0248641 Loasaceae Mentzelia dispersa S. Watson RM-58807 Walter Fertig 16148 28 7 1995 U.S.A. Wyoming Sweetwater Green River Basin: ridge on north side of Chicken Springs Road, ca 4 3/4 air mi W of Chicken Springs. Stabilized sand dune dominated by Artemisia tridentata, Chrysothamnus viscidiflorus, and scattered Grayia and Sarcobatus. 6800 ft. T23N R105W S7 center Flowers yellow, 5 petals. Flowering N RM0248641 N 228 RM 918441 WYNDD RM 579602 RM0249733 Loasaceae Mentzelia dispersa S. Watson RM-57714 Walter Fertig 12867 4 7 1992 U.S.A. Wyoming Hot Springs East foothills Absaroka Range: ca 4.5 air mi N of Anchor Reservoir; ca 33 air mi WNW of Thermopolis. Very steep, east-facing clay-rich volcanic slopes and scree. 6800 6900 ft. 43.7348° N, 108.8632° W; uncertainty 0.5 mi. T44N R100W S33 SE1/4 43.7348 -108.8632 1 mi. N N Flowering N RM0249733 N 229 RM 918442 RMHERB2 RM 29474 RM0249719 Loasaceae Mentzelia dispersa S. Watson RM-35698 Aven Nelson 7436 4 7 1900 U.S.A. Wyoming Albany Halleck Canyon. In the moist sandy draws. Flowering and Fruiting N RM0249719 N 230 RM 918443 RMHERB2 RM 162022 RM0249718 Loasaceae Mentzelia dispersa S. Watson RM-35698 Aven Nelson 7436 4 7 1900 U.S.A. Wyoming Albany Halleck Canyon. In the moist sandy draws. Flowering and Fruiting N RM0249718 N 231 RM 918444 RMHERB2 RM 346 RM0249717 Loasaceae Mentzelia dispersa S. Watson RM-455159 B. C. Buffum s.n. 10 7 1891 U.S.A. Wyoming Albany Laramie Hills. Flowering N RM0249717 N 232 RM 918445 RMHERB2 RM 5530 RM0249716 Loasaceae Mentzelia dispersa S. Watson RM-112608 Aven Nelson 1375 30 6 1895 U.S.A. Wyoming Albany Table Mountain. Flowering N RM0249716 N 233 RM 918446 RMHERB2 RM 346456 RM0249715 Loasaceae Mentzelia dispersa S. Watson RM-60220 William C. Edwards 201 9 7 1979 U.S.A. Wyoming Laramie Laramie Mountains: ca 22.5 air mi W of Cheyenne, ca 3.5 air mi NE of Buford. Short grass and open ponderosa pine forest communities with several small streams. 7550 ft. 41.1508° N, 105.2446° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T14N R70W S28 SW1/4 41.1508 -105.2446 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N RM0249715 N 234 RM 918447 RMHERB2 RM 302054 RM0249714 Loasaceae Mentzelia dispersa S. Watson RM-453871 Barry Hammel 33 3 7 1975 U.S.A. Wyoming Laramie Near Happy Jack Road. In sandy gravelly soil, open ground along small draw. 7400 ft. 41.174° N, 105.244° W T14N R70W S9 41.174 -105.244 NAD 83 1 mi. N N Nat. Geog. TOPO! TB Flowers yellow. Flowering N RM0249714 N 235 RM 918448 RMHERB2 RM 319663 RM0249713 Loasaceae Mentzelia dispersa S. Watson RM-52015 Robert D. Dorn 3310 8 7 1979 U.S.A. Wyoming Laramie Canyon below Granite Springs Reservoir. Rocky slope with Rhus and Cirsium. 7100 ft. 41.173° N, 105.2213° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T14N R70W S22 41.173 -105.2213 NAD 83 0 mi. N Y Nat. Geog. TOPO! SC Corolla yellow. Flowering and Fruiting N RM0249713 N 236 RM 918450 RMHERB2 RM 179716 RM0249712 Loasaceae Mentzelia dispersa S. Watson RM-455161 Louis O. Williams 1656 29 6 1934 U.S.A. Wyoming Teton Pacific Creek. Dry slopes. 7000 ft. 43.9034° N, 110.4644° W; NAD 83, uncertainty 1 mi., Digital Map T46N R113W S31 43.9034 -110.4644 NAD 83 1 mi. N Digital Map Located on the creek; 1.81 miles east of Two Ocean Lake and east of the Pacific Creek Road; geo-locate.org. EL Flowers yellow. Flowering and Fruiting N RM0249712 N 237 RM 918451 RMHERB2 RM 37666 RM0249711 Loasaceae Mentzelia dispersa S. Watson RM-111554 Aven Nelson 8552 2 8 1901 U.S.A. Wyoming Crook Moorcroft. Near railroad. Petals 3 mm long. Flowering and Fruiting N RM0249711 N 238 RM 918452 RMHERB2 RM 38091 RM0249710 Loasaceae Mentzelia dispersa S. Watson RM-455162 Frank Tweedy 3616 7 1900 July 1900 U.S.A. Wyoming Johnson Buffalo. 4000 5000 ft. N Flowering N RM0249710 N 239 RM 918453 Porter RM 264846 RM0249709 Loasaceae Mentzelia dispersa S. Watson RM-32507 C. L. Porter 8853 Marjorie W. Porter 19 8 1961 U.S.A. Wyoming Lincoln Canyon of the Snake River. Dry, gravelly banks. 5600 ft. 43.1822° N, 110.9619° W; NAD 83, uncertainty 3 mi., Digital Map T39N R116W S23 43.1822 -110.9619 NAD 83 3 mi. N Y Digital Map Located on US Hwy 26 & 89, just south of Sheep Gulch; north side of the Snake River; near the far western side of the Grand Canyon; geo-locate.org. EL Flowers yellow. Flowering N RM0249709 N 240 RM 918454 RMHERB2 RM 242730 RM0249708 Loasaceae Mentzelia dispersa S. Watson RM-455163 H. V. Truman 54110 3 7 1954 U.S.A. Wyoming Teton Signal Mountain. Flowering N RM0249708 N 241 RM 918455 Porter RM 285441 RM0249707 Loasaceae Mentzelia dispersa S. Watson RM-29884 C. L. Porter 10564 Marjorie W. Porter 23 7 1968 U.S.A. Wyoming Albany Laramie Range: at Sherman Station on the Union Pacific Railroad. Grassland, granitic hills. 8000 ft. 41.0983° N, 105.3496° W; NAD 83, uncertainty 0.5 mi., Digital Map T13N R71W S16 41.0983 -105.3496 NAD 83 1 mi. N Digital Map Located at Sherman Station on the Union Pacific Railroad; ca 2.25 air miles south of U.S. Hwy 80 & 30; ca 1.5 air miles NW of Duck Creek; geo-locate.org. EL Common. Flowering and Fruiting N RM0249707 N 242 RM 918456 RMHERB2 RM 297665 RM0249706 Loasaceae Mentzelia dispersa S. Watson RM-148970 Robert J. Hill 1577 Gary Pierce, Mary Pierce 7 8 1975 U.S.A. Wyoming Albany At Jelm. Surrounding rock slopes, found growing with Mentzelia multiflora. 7580 ft. T13N R77W S23 41.0801 -106.0091 NAD 83 0 mi. Y Y Nat. Geog. TOPO! Infrequent. Flowering N RM0249706 N 243 RM 918457 RMHERB2 RM 297645 RM0249705 Loasaceae Mentzelia dispersa S. Watson RM-455164 Robert J. Hill 1402 1 9 1973 U.S.A. Wyoming Teton Great Divide Basin and Adjacent Regions: 0.6 mi N of Hoback Junction. In gray talis, well drained slopes. Very common. Flowering and Fruiting N RM0249705 N 244 RM 918458 RMHERB2 RM 297640 RM0249704 Loasaceae Mentzelia dispersa S. Watson RM-155397 Robert J. Hill 1228 12 8 1973 U.S.A. Wyoming Albany County Road 222, 4 mi SE of Tie Siding. Growing with Mentzelia sinuata; in railroad cinders. Flavonoid voucher; SEM seed coat voucher. Flowering N RM0249704 N 245 RM 918459 RMHERB2 RM 297676 RM0249703 Loasaceae Mentzelia dispersa S. Watson RM-455165 Robert J. Hill 1566 C. Mooradian and E. Wong 9 8 1974 U.S.A. Wyoming Park Yellowstone National Park: North Gate (Mammoth). Along roadcut. Flavonoid vooucher; seed protein voucher. Flowering and Fruiting N RM0249703 N 246 RM 918461 RMHERB2 RM 297654 RM0249702 Loasaceae Mentzelia dispersa S. Watson RM-455164 Robert J. Hill 1402 1 9 1973 U.S.A. Wyoming Teton Great Divide Basin and Adjacent Regions: 0.6 mi N of Hoback Junction. In gray talus, well drained slopes. Very common. Flowering and Fruiting N RM0249702 N 247 RM 918462 RMHERB2 RM 297655 RM0249701 Loasaceae Mentzelia dispersa S. Watson RM-455166 Robert J. Hill 870 10 7 1973 U.S.A. Wyoming Teton Grand Teton National Park: 0.5 mi from Lake Phelps. On talus, dry slopes. Occasional; no other plants were growing in the area. Flowering and Fruiting N RM0249701 N 248 RM 918463 RMHERB2 RM 297656 RM0249700 Loasaceae Mentzelia dispersa S. Watson RM-455164 Robert J. Hill 1402 1 9 1973 U.S.A. Wyoming Teton Great Divide Basin and Adjacent Regions: 0.6 mi N of Hoback Junction. In gray talus, well drained slopes. Very common. Flowering and Fruiting N RM0249700 N 249 RM 918464 RMHERB2 RM 79378 RM0249699 Loasaceae Mentzelia dispersa S. Watson RM-450671 Aven Nelson 9408a 26 6 1910 U.S.A. Wyoming Natrona Bad Water. Sandy canyon. 6250 6550 ft. T39N R88W S29 43.3228 -107.428 NAD 83 1 mi. Y Y Nat. Geog. TOPO! Badwater on maps. BEN Petals 4-5 mm long; capsules ca22 mm long--C. L. Porter Flowering N RM0249699 N