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 438158 South Dakota RM 366372 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz RM-67188 D. J. Ode 84-32 29 5 1984 U.S.A. South Dakota Shannon Cedar Bluffs, 5.5 mi N, 6 mi W and 1 mi N of Oglala. Locally abundant on white gumbo mounds at southwest base of butte in barren clay with Astragalus racemosus, A. barrii, and Eriogonum pauciflorum. 3140 ft. 43.2889° N, 102.9373° W; uncertainty 0.25 mi. T38N R48W S12 NE1/4 of NE1/4 of NE1/4 43.2889 -102.9373 0 mi. Flowering N N 2 RM 439399 South Dakota RM 111408 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz Physaria arenosa (Richardson) O'Kane & Al-Shehbaz
Annotated by R. C. Rollins and E. Shaw in 1970. RM-67789 Herman E. Hayward 1033 17 6 1927 U.S.A. South Dakota Meade Sturgis. Red foothills; grass association; xero-mesophytic. 3380 3640 ft. 44.4088° N, 103.5185° W; uncertainty 1 mi. T5N R5E S9 44.4088 -103.5185 1 mi. Y Y Flowering N N 3 RM 440149 South Dakota RM 111408 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz Physaria arenosa (Richardson) O'Kane & Al-Shehbaz
Annotated by R. C. Rollins and E. Shaw in 1970. RM-67909 Herman E. Hayward 718 9 6 1927 U.S.A. South Dakota Jackson Interior: Badlands. Flat bottomland at foot of wall; grass association. 2380 ft. 43.7273° N, 101.9894° W; uncertainty 0.5 mi. T4S R18E S5 43.7318 -101.9925 NAD 83 1 mi. Y Nat. Geog. TOPO! Flowering N N 4 RM 440163 South Dakota RM 111408 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz Physaria arenosa (Richardson) O'Kane & Al-Shehbaz
Annotated by R. C. Rollins and E. Shaw in 1970. RM-67917 Herman E. Hayward 739 12 6 1927 U.S.A. South Dakota Pennington Rapid City. Red foothills; east facing; grass and yucca association. 3400 ft. 44.0728° N, 103.2404° W; uncertainty 1 mi. T1N R7E S2 44.0728 -103.2404 1 mi. Y Y Flowering N N 5 RM 443506 South Dakota RM 76446 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz Physaria arenosa (Richardson) O'Kane & Al-Shehbaz
Annotated by R. C. Rollins and E. Shaw in 1970. RM-69293 S. S. Visher 571 15 6 1912 U.S.A. South Dakota Perkins Date. 2730 ft. T16N R12E S8 45.3695 -102.6812 NAD 83 1 mi. Y Y Nat. Geog. TOPO! Flowering N N 6 RM 798235 Missouri Plateau RM 89497 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz 2. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz
Annotated by Reed C. Rollins & Elizabeth A. Shaw in 1970. RM-137290 J. W. Blankinship s.n. 25 5 1902 U.S.A. Montana Wibaux Wibaux. Flowering and Fruiting N N 7 RM 798236 Missouri Plateau USFS 461449 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz RM-137291 James C. Whitham 1237 30 7 1932 U.S.A. Montana Gallatin Gallatin National Forest: lower Spanish Creek near West Hargrowe. Level slope; gravelly dry clay soil; dry roadside; associated with Madia. 6000 ft. Common. Flowering N N 8 RM 798237 Missouri Plateau USFS 461448 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz RM-123990 Lincoln C. Ellison 3298 17 5 1936 U.S.A. Montana Custer Vigilante Experimental Range: head of Sweeney Creek, S of Yellowstone River. In pine hills. 2800 ft. Flowering and Fruiting N N 9 RM 798238 Missouri Plateau USFS 461447 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz RM-137292 William G. McGinnies 46 19 6 1924 U.S.A. Montana Helena National Forest: North Fork Soup Creek. Southeast slope; gravelly soil; associated with F. scabrella. 5500 ft. Flowering N N 10 RM 110221 Ebertowski 2002 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Peter J. Ebertowski. RM-14321 B. E. Nelson 56566 Peter Ebertowski 9 6 2002 U.S.A. Wyoming Converse Thunder Basin National Grassland and Vicinity: along Rochelle Hills or Forest Road 933 above Sauerkraut Draw, ca 52.5 air mi NNE of Douglas; ca 20 air mi NNEof Bill. Sandy areas with sandstone outcrops. 4520 4580 ft. 43.4706° N, 105.0507° W; uncertainty 1 mi. T40N R68W S5 N1/2 43.4706 -105.0507 1 mi. Flowering and Fruiting N N 11 RM 11393 Taylor, Amy 1997 RM 963998 RM0324371 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-639 Ronald L. Hartman 57028 Amy J. Roderick and B. A. Packer 5 6 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: ca 0.5 air mi N of Chalk Draw near Chalk Hills. Sandstone and calcareous outcrops. 7200 ft. 42.3397° N, 106.0919° W T27N R77W S5 W1/2 42.3397 -106.0919 Flowering and Fruiting N RM0324371 N 12 RM 115086 Ebertowski 2003 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-14486 Peter J. Ebertowski 3770 25 5 2003 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: ridge between Wildlife Draw and Rock Creek near intersection of Forest roads 923 and 924, ca 30 air mi E of Wright; ca 34 air mi W of Newcastle. Grassland with rocky outcrops and broad ravines. 4560 4720 ft. 43.7568° N, 104.8904° W T44N R67W S27 43.7568 -104.8904 Flowering and Fruiting N N 13 RM 115131 Ebertowski 2003 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-14487 Peter J. Ebertowski 3815 25 5 2003 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: ridge and ravines E of Fields Draw, off dirt road, ca 34 air mi ESE of Wright; ca 32 air mi WSW of Newcastle. Narrow ravine with snowberry, currant and chokecherry. 4360 4460 ft. 43.6718° N, 104.8306° W T43N R66W S30 SE1/4 43.6718 -104.8306 Flowering and Fruiting N N 14 RM 115157 Ebertowski 2003 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-14489 Peter J. Ebertowski 3841 26 5 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: flats ca 2 mi E of Maycock Spring, on two-track ca 1 mi W of Wyo Hwy 59, ca 11 air mi S of Wright; ca 28 air mi NNW of Bill. Sagebrush grassland. 5040 5070 ft. 43.6009° N, 105.4888° W T42N R72W S22 South1/2 43.6009 -105.4888 Flowering and Fruiting N N 15 RM 115288 Ebertowski 2003 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-14493 Peter J. Ebertowski 3970 28 5 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: western edge of Duck Creek Breaks, immediately E of Duck Creek on two track road, ca 35 air mi NE of Gillette; ca 15 air mi NW of Oshoto. Hilly grassland with rocky and clayey bare patches and ravines with ponderosa pine and Rocky Mountain juniper. 3840 4000 ft. 44.732° N, 105.1772° W T55N R69W S20 NE1/4 44.732 -105.1772 Flowering and Fruiting N N 16 RM 11861 Taylor, Amy 1997 RM 963997 RM0324372 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-648 Ronald L. Hartman 57494 Amy J. Roderick 11 6 1997 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: ca 15 air mi SE of junction of Wyo Hwy 487 and Wyo Hwy 220; ca 2 air mi SE of Twin Buttes. Calcareous cap and upper slopes, sandy below. 6750 6900 ft. 42.5112° N, 106.3935° W T29N R80W S2 42.5112 -106.3935 Flowering and Fruiting N RM0324372 N 17 RM 128579 Evert 2000 RM 824597 RM0021787 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-14893 Erwin F. Evert 38049 14 6 2000 U.S.A. Wyoming Park Bighorn Basin: McCullogh Peaks, just below radio towers along road, 13 mi NE of Cody. Grassland with Carex filifolia and Agropyron spicatum. 6000 ft. T53N R99W S18 Flowering and Fruiting N RM0021787 N 18 RM 138492 Evert 1990 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-15735 Erwin F. Evert 18610 7 6 1990 U.S.A. Wyoming Park [location and coordinates withheld] Sagebrush-grassland dominated by Carex filifolia, Bouteloua gracilis, and Artemisia tridentata var. wyomingensis. 5100 ft. N N 19 RM 242521 Kinter Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Stuart Markow. RM-21156 C. Lynn Kinter 1050 4 6 1995 U.S.A. Wyoming Fremont Upper Wind River Watershed: Terrace above East Fork: ca 9.5 air mi ENE of Dubois; 2-track ca 0.5 mi W of main East Fork Road; ca 40 yds S of 2-track. Artemisia tridentata var. wyomingensis, Elymus spicatus stand. 7130 ft. T42N R105W S28 Plot 93063 SW, NE, NW N N 20 RM 242539 Kinter Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Stuart Markow. RM-21159 C. Lynn Kinter 1067 11 6 1995 U.S.A. Wyoming Fremont Upper Wind River Watershed: Terrace above East Fork-Sage Treatment Area: ca 8.5 air mi ENE of Dubois; on 2-track 0.6 mi from main East Fork Road to old fence line; along closed 2-track/old fence line ca 0.5 mi S to row of posts. Artemisia tridentata var. wyomingensis bladed in rows. 7100 ft. 43.57327° N, 109.46434° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T42N R105W S28 43.57327 -109.46434 NAD 83 1 mi. N N Nat. Geog. TOPO! LSB Plot 93084 SW, NW, NW N N 21 RM 242588 Kinter 727995 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Stuart Markow. RM-21164 C. Lynn Kinter 1111 19 6 1995 U.S.A. Wyoming Fremont Upper Wind River Watershed: On terrace W of Wiggins Fork, ca 6.5 air mi NE of Dubois; SSW of top of switchback down to Wiggins Fork. Artemisia tridentata var. wyomingensis, Elymus spicatus stand. 7120 ft. 43.5872° N, 109.52109° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T42N R106W S24 43.5872 -109.52109 NAD 83 1 mi. N N Nat. Geog. TOPO! LSB Plot 93043 NE, NE, NE Flowering and Fruiting N N 22 RM 242757 Kinter RM 727994 RM0009817 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21187 C. Lynn Kinter 1264 26 6 1995 U.S.A. Wyoming Fremont Upper Wind River Watershed: Little Warm Springs: ca 4.5 air mi W of Dubois; N of main road. Dry grassland. 8315 ft. 43.53236° N, 109.7202° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T41N R107W S8 43.53236 -109.7202 NAD 83 1 mi. N N Nat. Geog. TOPO! LSB Plot 95003 NE, SW, NE Flowering and Fruiting N RM0009817 N 23 RM 243098 Kinter Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by C. Lynn Kinter. RM-21221 C. Lynn Kinter 1574 21 5 1996 U.S.A. Wyoming Fremont [location and coordinates withheld] Grassland. 7140 ft. Plot 96001 NW, SW, NE N N 24 RM 244073 Kinter Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Walter Fertig. RM-21299 C. Lynn Kinter 2456 19 5 1997 U.S.A. Wyoming Fremont Upper Wind River Watershed: Lower Bear Creek: ca 10 mi NE of Dubois; SW of Bear Creek and main road along the creek. Artemisia tridentata var. wyomingensis stand. 7130 ft. T42N R105W S16 Plot 93064 SE, SE, SW N N 25 RM 244090 Kinter 727992 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Stuart Markow. RM-21304 C. Lynn Kinter 2471 John Tamsen 7 6 1997 U.S.A. Wyoming Fremont Upper Wind River Watershed: Mason Draw grassland: ca 2 air mi NE of Dubois; old 2-track, which is the beginning of a nature trail; at fence corner, and just before trail leaves 2-track, go left (N) ca 50yds. Grassland. 7330 ft. T41N R106W S5 Plot 94008 NE, NE, NW Flowering and Fruiting N N 26 RM 244221 Kinter 727993 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Stuart Markow. RM-21321 C. Lynn Kinter 2590 John Tamsen 5 7 1997 U.S.A. Wyoming Fremont Upper Wind River Watershed: Terrace above East Fork at South Boundary of Spence/Moriarity WHMA: ca 9.5 air mi SE of Dubois; up good road from East Fork Road past gravel pit; seventh power pole past hill crest (just before driveway). Stipa comata stand. 6680 ft. T41N R105W S32 Plot 93085 SE, SE, NE Flowering and Fruiting N N 27 RM 246553 Kostel 2004 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Grace M. Kostel. RM-21550 B. E. Nelson 60619 Grace Kostel 14 5 2004 U.S.A. South Dakota Fall River Buffalo Gap National Grassland and Vicinity: ridge N of School Section Creek, ca 2.5 air mi E of Windy Butte, ca 6.5 air mi NE of Oelrichs. Stony slopes of a small butte. 3315 3400 ft. 43.2475° N, 103.1349° W to 43.2447° N, 103.1356° W; GPS Reading T9S R8E S23 SE1/4 43.2475 -103.1349 GPS Reading Flowering and Fruiting N N 28 RM 247039 Kostel 2004 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21574 Grace M. Kostel 1018 1 6 2004 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 4-5 air mi SSE of Scenic on Forest Road 7172 on Big Hollow Creek. On sideslopes of creek and grassy upslopes near creek. 2780 2900 ft. 43° 43.82' N, 102° 30.71' W to 43° 42.47' N, 102° 30.61' W; GPS Reading T4S R13E S1; also T4S R13E S12 43.730333 -102.511833 GPS Reading Flowering and Fruiting N N 29 RM 247445 Kostel 2004 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21590 Grace M. Kostel 1383 4 6 2004 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 19 air mi SE of Hermosa. Butte tops and slopes of sand and gravel soil. 3150 ft. 43° 41.75' N, 102° 52.59' W to 43° 41.53' N, 102° 52.63' W; GPS Reading T4S R10E S13 W1/2 43.695833 -102.8765 GPS Reading Flowering and Fruiting N N 30 RM 248588 Kostel 2004 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21633 Grace M. Kostel 2418 21 6 2004 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 14.5-15 air mi ENE of Hermosa and 4 air mi WSW of Railroad Buttes. On ridge of rock and gravel. 3100 3200 ft. 42° 52.91' N, 102° 55.05' W; GPS Reading T2S R10E S15 South1/2 42.881833 -102.9175 GPS Reading Flowering and Fruiting N N 31 RM 249256 Kostel 2004 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21649 Grace M. Kostel 3019 28 6 2004 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 13 air mi NE of Hermosa and 4-4.5 mi W of County Road 121. Clay water catchment site. 3100 ft. 43° 54.1' N, 102° 56.56' W; GPS Reading T2S R10E S5 South1/2 43.901667 -102.942667 GPS Reading Fruiting N N 32 RM 249920 Kostel 2004 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21662 Grace M. Kostel 362 B. E. Nelson 19 5 2004 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: between Shorty Draw and French Creek, ca 9 air mi E of Fairburn and 14.5 air mi SE of Hermosa. Ridge sideslopes. 3030 3080 ft. 43.6659° N, 103.0281° W; GPS Reading T4S R9E S27 SE1/4 43.6659 -103.0281 GPS Reading Flowering and Fruiting N N 33 RM 250124 Kostel 2004 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21681 Grace M. Kostel 3805 16 7 2004 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 18 air mi ENE of Hermosa and 0.5 mi E of County Road 121. On prairie dog town complex, east bank of draw. 3000 ft. 43° 50.91' N, 102° 50.11' W; GPS Reading T2S R11E S29 W1/2 43.8485 -102.835167 GPS Reading Flowering and Fruiting N N 34 RM 250393 Kostel 2004 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21684 Grace M. Kostel 405 B. E. Nelson 19 5 2004 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: County Road 18 N of French Creek and 11/4 air mi W of Cheyenne River about 3 air mi WSW of Red Shirt, ca 18 mi SE of Hermosa. Upslope of side drainage into creek. 2770 2870 ft. 43.6505° N, 102.9544° W; GPS Reading T5S R10E S5 NE1/4 43.6505 -102.9544 GPS Reading Flowering and Fruiting N N 35 RM 252020 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21765 Grace M. Kostel 4964 27 5 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 17-17.5 air mi SSE of Wall. In a prairie dog town, soils are heavy clay. 2500 ft. 43° 44.086' N, 102° 13.193' W; GPS Reading T3S R16E S32 SE1/4 43.734767 -102.219883 GPS Reading Flowering and Fruiting N N 36 RM 252243 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21774 Grace M. Kostel 5185 30 5 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 2-2.5 air mi SSW of Wall and 1/4 mi W of SD Hwy 240. In a Hesperostipa comata plant community on a rocky upland and nearby butte. 2850 2900 ft. 43° 57.099' N, 102° 14.497' W; GPS Reading T1S R16E S18 SE1/4 43.95165 -102.241617 GPS Reading Flowering and Fruiting N N 37 RM 252350 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21777 Grace M. Kostel 5292 30 5 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 13-13.5 air mi due S of Wall and adjacent to Shannon County and Pine Ridge Indian Reservation boundary fence. Deep white clay soil of floodplain. 2450 ft. 43° 41.28' N, 102° 14.47' W; GPS Reading T4S R16E S19 NE1/4 43.688 -102.241167 GPS Reading Flowering and Fruiting N N 38 RM 252492 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21781 Grace M. Kostel 5432 1 6 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 6 air mi SSE of Scenic and due E of County Road C589. In deep drainage of heavy white clay soil and near uplands of Hesperastipa comata grass plant community. 2834 ft. 43° 41.56' N, 102° 31.38' W; GPS Reading T8S R13E S14 SE1/4 43.692667 -102.523 GPS Reading Fruiting N N 39 RM 252543 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21784 Grace M. Kostel 5483 6 6 2005 U.S.A. Nebraska Sioux Oglala National Grassland and Vicinity: ca 6-6.5 air mi SE of Ardmore, South Dakota and 3 air mi due S of South Dakota. In Nassellus viridula plant community on gently rolling uplands of silty soils. 3727 ft. 42° 58.993' N, 103° 37.073' W; GPS Reading T35N R53W S30 NW1/4 42.983217 -103.617883 GPS Reading Flowering and Fruiting N N 40 RM 252556 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21785 Grace M. Kostel 5496 6 6 2005 U.S.A. Nebraska Sioux Oglala National Grassland and Vicinity: ca 12 air mi ESE of Ardmore, South Dakota and 1/2 mi due S of South Dakota. In Nassellus viridula plant community on gentle rolling uplands of silt soil. 3784 ft. 42° 59.967' N, 103° 32.568' W; GPS Reading T35N R53W S23 NW1/4 42.99945 -103.5428 GPS Reading Flowering and Fruiting N N 41 RM 252627 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21790 Grace M. Kostel 5567 6 6 2005 U.S.A. Nebraska Sioux Oglala National Grassland and Vicinity: ca 15 air mi SE of Ardmore, South Dakota. At base and ridge top of eroded limestone banks in clay soils. 3857 ft. 42° 58.35' N, 103° 31.51' W; GPS Reading T35N R52W S35 NE1/4 42.9725 -103.525167 GPS Reading Flowering and Fruiting N N 42 RM 253031 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21812 Grace M. Kostel 5970 12 6 2005 U.S.A. South Dakota Jackson Buffalo Gap National Grassland and Vicinity: ca 2 air mi SW of Cottonwood. On grass covered butte, soils are gravel and silty loam. 2574 ft. 43° 57.73' N, 101° 56.39' W; GPS Reading T1S R18E S14 NW1/4; also S15 43.962167 -101.939833 GPS Reading Fruiting N N 43 RM 253364 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21826 Grace M. Kostel 6304 13 6 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 19 air mi SSW of Wall In Conata Basin. In a prairie dog town having deep heavy, white clay soils with a sand component. 2590 ft. 43° 43.733' N, 102° 19.601' W; GPS Reading T4S R15E S4 E1/2 43.728883 -102.326683 GPS Reading Flowering and Fruiting N N 44 RM 253394 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21827 Grace M. Kostel 6334 14 6 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 19-19.5 air mi SSW of Wall. In prairie dog town having deep heavy white clay soils. 2550 ft. 43° 42.479' N, 102° 16.92' W; GPS Reading T4S R15E S11 SE1/4 43.707983 -102.282 GPS Reading Flowering and Fruiting N N 45 RM 254441 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-21869 Grace M. Kostel 7379 22 6 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 7 air mi SSE of Wall. On ridge top of rock and gravel; soils are gravel and silt. 2760 ft. 43° 53.428' N, 102° 12.49' W; GPS Reading T2S R16E S9 N1/2 43.890467 -102.208167 GPS Reading Fruiting N N 46 RM 293494 Massatti 2005 USFS 844492 USFS0026781 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-23864 Rob Massatti 926 23 6 2005 U.S.A. Wyoming Fremont East Slope Wind River Range and Vicinity: ca 1.5 mi SW of Lander Hill, ca 4 air mi W of Lander. Sagebrush grassland. 5800 6170 ft. 42.8379° N, 108.8173° W to 42.8323° N, 108.8026° W; GPS Reading T33N R100W S16; also W1/2 S15 42.8379 -108.8173 NAD 83 GPS Reading Fruiting N USFS0026781 N 47 RM 293671 Massatti 2006 USFS 844491 USFS0026780 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-23873 Rob Massatti 4503 23 5 2006 U.S.A. Wyoming Fremont East Slope Wind River Range and Vicinity: south ridge of Sheep Canyon, ca 4.5 air mi SW of Lander. Rocky mixed shrubland and grassland on limestone. 6070 7850 ft. 42.758° N, 108.799° W to 42.7485° N, 108.8233° W; GPS Reading T32N R100W S8; also W1/2 S9 and NE1/4 S18 42.758 -108.799 NAD 83 GPS Reading Flowering and Fruiting N USFS0026780 N 48 RM 318266 Newton 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Rachel Newton. RM-24966 B. E. Nelson 65127 13 6 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: along northeast end of Pilot Butte Reservoir, ca 1 air mi E of Morton; ca 22.7 air mi NW of Riverton. Sandy clay flats with Atriplex and Artemisia. 5450 ft. 43.2013° N, 108.7587° W; GPS Reading T3N R1E S28 SE1/4 43.2013 -108.7587 NAD 83 GPS Reading Flowering and Fruiting N N 49 RM 318323 Newton 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Rachel Newton. RM-24968 B. E. Nelson 65184 13 6 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Antelope Flats Wetland, between Muddy and Fivemile creeks, ca 15.5-16 air mi N of Riverton. Sagebrush flats adjacent to the reservoir. 5200 ft. 43.2524° N, 108.4493° W; GPS Reading T3N R4E S7 43.2524 -108.4493 NAD 83 GPS Reading Flowering and Fruiting N N 50 RM 321801 Newton 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-25144 Rachel Newton 44 10 6 2005 U.S.A. Wyoming Fremont Wetlands and Adjacent Areas: Carmody Lake, ca 2 air mi NW of Sweetwater Station; ca 32 air mi SE of Lander. Dried up lake, drainage and sandy plains. 6650 ft. 42.5675° N, 108.2234° W; GPS Reading T30N R95W S20 NE1/4 42.5675 -108.2234 NAD 83 GPS Reading Flowering and Fruiting N N 51 RM 322325 Newton 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-25181 Rachel Newton 908 24 6 2005 U.S.A. Wyoming Albany Wetlands and Adjacent Areas: Hutton Lake, ca 14 air mi SW of Laramie. Sandy, dry upland slopes. 7439 ft. 41.0434° N, 105.7373° W; GPS Reading T14N R74W S20 NW1/4 41.0434 -105.7373 NAD 83 GPS Reading Flowering and Fruiting N N 52 RM 322332 Newton 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-25182 Rachel Newton 914 24 6 2005 U.S.A. Wyoming Albany Wetlands and Adjacent Areas: Sand Creek, ca 20 air mi SW of Laramie. Dry sandy uplands. 7659 ft. 41.0308° N, 106.0374° W; GPS Reading T12N R74W S6 NW1/4 41.0308 -106.0374 NAD 83 GPS Reading Flowering and Fruiting N N 53 RM 355145 R Jones 1991 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-33233 Robin Jones 1540 B. E. Nelson 11 6 1991 U.S.A. Wyoming Hot Springs Owl Creek/Bridger Mountains: Gumbo Hills, ca 3 air mi E of Hamilton Dome. Gumbo clay hills and slopes. 5400 5656 ft. 43.76639° N, 108.5217° W T44N R97W S20; also S21 43.76639 -108.5217 N N 54 RM 355181 R Jones 1991 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-33235 Robin Jones 1576 B. E. Nelson 12 6 1991 U.S.A. Wyoming Hot Springs Owl Creek/Bridger Mountains: ridge between North Fork and Middle Fork Owl Creek, ca 19 air mi WSW of Hamilton Dome; ca 37 air mi WNW of Thermopolis. Volcanic and other cobble and boulders, hills, and draws. 6700 6800 ft. 43.69417° N, 108.8836° W T43N R100W S17; also S18 43.69417 -108.8836 N N 55 RM 355229 R Jones 1991 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-33237 Robin Jones 1623 20 6 1991 U.S.A. Wyoming Hot Springs Owl Creek/Bridger Mountains: divide between Coulee Creek (Sand Draw) and Grass Creek Basin, ca 30 air mi NW of Thermopolis; ca 13 air mi NNW of Hamilton Dome. Artemisia tridentata grasslands and low hills. 5700 5725 ft. 43.95528° N, 108.6392° W T46N R98W S17 43.95528 -108.6392 N N 56 RM 362155 RMHERB1 779108 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-37156 Bonnie Heidel 2363 Luanne Lum 17 7 2003 U.S.A. Wyoming Goshen Southeastern Plains: Goshen Hole: Fort Laramie National Historic Site: southern BLM tract ca 1.7 air mi SW of Fort Laramie (town). Gentle ridge slope with fine sand, north slope 15%; Bouteloua gracilis - Carex filifolia herbaceous vegetation; associated species are Stipa comata, Yucca glauca, Plantago patagonica var. patagonica, Opuntia polyacantha var. polyacantha, Artemisia 4400 ft. 42.1936° N, 104.5389° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO! T26N R64W S28 SE1/4 SE1/4 42.1936 -104.5389 NAD 83 700 ft. N N Nat. Geog. TOPO! BEN Rare. Fruiting N N 57 RM 378136 WYNDD 710126 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-44665 Hollis Marriott 11317 10 5 1991 U.S.A. Wyoming Sheridan Powder River Basin: Powder River, breaks W of river, ca 3 air mi S of Montana, at head of Little Remington drainage. On sandy soil on top of sandstone rimrock, with Carex filifolia, Agropyron spicatum, and Artemisia frigida. 4100 ft. 44.9456° N, 106.0825° W T57N R77W S1 NE1/4 44.9456 -106.0825 Flowering and Fruiting N N 58 RM 378141 WYNDD 710117 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-44670 Hollis Marriott 11326 24 5 1991 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southeastern Plains: northwest end of Twentyone Divide, SE of Old U.S. Hwy 85, ca 23 air mi SSE of Newcastle. Grassland. 3950 ft. 43.4957° N, 104.1285° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T41N R61W S25 SE1/4; also NE1/4 S36 43.4957 -104.1285 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 59 RM 378143 WYNDD 710115 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-44671 Hollis Marriott 11328 27 5 1991 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southeastern Plains: buttes just E of Wyo Hwy 272 ca 0.5 mi N of Wyo Hwy 270, ca 3 mi NE of town of Lance Creek. Grasslands with some bare ground. 4050 ft. 43.2376° N, 104.617° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T38N R65W S25 SW1/4 43.2376 -104.617 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 60 RM 378148 WYNDD 710111 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-44675 Hollis Marriott 11332 12 6 1991 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southeastern Plains: east side of Old Woman Creek Hills along road to Indian Creek Oil Field, ca 5.4 road mi E of U.S. Hwy 85, ca 25 air mi NNE of Lusk. On sparsely-vegetated whitish soil with rocky flakes in small breaks in grassland along drainages and on disturbed areas, with Senecio canus, Cryptantha sp., Hymenopappus sp., Eriogonum sp. and Petalostemum. 4330 ft. 43.0968° N, 104.2677° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R62W S14 E1/2 43.0968 -104.2677 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Fruiting N N 61 RM 378149 WYNDD 710110 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-44675 Hollis Marriott 11333 12 6 1991 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southeastern Plains: east side of Old Woman Creek Hills along road to Indian Creek Oil Field, ca 5.4 road mi E of U.S. Hwy 85, ca 25 air mi NNE of Lusk. Occasional in grassland with Agropyron smithii, Stipa comata, Sphaeralcea coccinea. 4330 ft. 43.0968° N, 104.2677° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R62W S14 E1/2 43.0968 -104.2677 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Fruiting N N 62 RM 385738 RMHERB1 RM 726719 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-49305 Patricia P. Douglas 34 C. A. Popolizio, B. E. Nelson, R. M. Smith 12 6 1995 U.S.A. Wyoming Platte Camp Guernsey: ca 0.5 km W of North Platte River, ca 0.2 km N of Cottonwood Creek. Scattered in mixed grassland on rolling hills of sandy loam with Artemisia frigida, A. cana, Camelina microcarpa, Penstemon albus, and Stipa comata. 1384 m. 510000E, 4685900N Flowering N N 63 RM 399722 WYNDD RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-59000 Walter Fertig 16555 11 6 1996 U.S.A. Wyoming Carbon Shirley Basin: west side of BLM Road 3115, ca 3.5 air mi S of junction with County Road 102, between Sullivan Creek and First Ranch Creek; ca 2 air mi NE of base of Shirley Mountains; ca 4 air mi SE of Wyo Hwy 77. Sandy-clay flats and low slopes in community of Artemisia pedatifida and scattered Chrysothamnus nauseosus with high cover of Distichlis and Poa secunda. 7160 7200 ft. 42.1807° N, 106.4619° W T26N R80W S31 NE1/4 NW1/4 42.1807 -106.4619 N N 64 RM 399736 WYNDD RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-59002 Walter Fertig 16572 11 6 1996 U.S.A. Wyoming Carbon Shirley Basin: foothill ridges at northeast end of Shirley Mountains, ca 0.5 mi SE of Sullivan Creek; ca 4 air mi W of Pine Hill; ca 5 1/4 mi S of County Road 102 (Leo Road). South facing reddish sandy-shale gravel ridge of hogback with surface of gray limy-shale chips; community of Artemisia nova and bunchgrasses, with cushion plants on more bare sites. 7700 7800 ft. 42.1663° N, 106.4813° W T25N R81W S1 SW1/4 42.1663 -106.4813 N N 65 RM 441507 Jewel Cave RM 365487 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-68342 Hollis Marriott 9437 13 5 1985 U.S.A. South Dakota Custer Jewel Cave National Monument: slope SW of Visitors Center above Lithograph Canyon. Grassy opening in ponderosa pine forest. 5350 ft. T4S R2E S1 43.7288 -103.8301 NAD 83 0 mi. Nat. Geog. TOPO! Flowering N N 66 RM 441564 Jewel Cave RM 365488 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-68362 Hollis Marriott 9497 21 5 1985 U.S.A. South Dakota Custer Jewel Cave National Monument: ridge N of Visitors Center. Little bluestem grassland on southeast facing slope and bench below. 5550 ft. T4S R2E S1 NE1/4 43.7325 -103.8259 NAD 83 0 mi. Nat. Geog. TOPO! Flowering N N 67 RM 441626 Jewel Cave RM 365489 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-68382 Hollis Marriott 9571 4 6 1985 U.S.A. South Dakota Custer Jewel Cave National Monument: Lithograph Canyon above Porthole [New Portal], south-facing slope between visitors center and Porthole [New Portal]. South-facing slope between Visitor's Center and Porthole, grassy opening in ponderosa pine forest on limestone. 5300 ft. T4S R2E S1 SE1/4 43.7288 -103.8289 NAD 83 0 mi. Y Nat. Geog. TOPO! Flowering N N 68 RM 4553 Taylor, Amy 1998 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-395 Amy J. Roderick 3818 21 5 1998 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: E of Wyo Hwy 487, ca 3.5 air mi E of Chalk Mountain on the northwestern rim of Shirley Basin. Sandy-gravelly hills of sagebrush, grasses, and forbs. 7150 ft. 42.3541° N, 106.4034° W T28N R80W S34 42.3541 -106.4034 Flowering and Fruiting N N 69 RM 4846 Taylor, Amy 1998 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-410 Amy J. Roderick 4081 28 5 1998 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Shirley Basin: Sand Creek, ca 1.5 air mi S of BLM 3144 or Antelope Road; ca 7.2 air mi S of junction of Wyo Hwy 77 and 487. Sagebrush-grassland. 7150 ft. 42.3252° N, 106.345° W T27N R79W S7 South1/2; also S8 42.3252 -106.345 Flowering and Fruiting N N 70 RM 4907 Taylor, Amy 1998 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-413 Amy J. Roderick 4136 28 5 1998 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: Bates Hole E of Wyo Hwy 487, ca 3 air mi NNW of junction with Wyo Hwy 77 and 487. Calcareous slopes of mountain mahogany and scattered limber pine. 6700 ft. 42.4529° N, 106.4132° W T29N R80W S27 42.4529 -106.4132 Flowering and Fruiting N N 71 RM 569919 Bighorn Basin RM 931221 RM0094158 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-104479 B. E. Nelson 14130 30 6 1987 U.S.A. Wyoming Park Bighorn Basin: flats above Whistle Creek, ca 10.8 air mi SE of Powell. Clay flats. 4300 ft. 44.6292° N, 108.6233° W T54N R98W S26 44.6292 -108.6233 N RM0094158 N 72 RM 570795 Bighorn Basin RM 931214 RM0094173 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-104539 B. E. Nelson 14944 Erik Nelson 29 5 1988 U.S.A. Wyoming Big Horn Bighorn Basin: along and above St. Joe Canal off Dorsey Creek Road, ca 18 air mi W of Basin, ca 5 air mi SSE of Burlington. Sandy clay flats between canal slopes. 4400 44.37778° N, 108.40139° W T51N R96W S21 44.37778 -108.40139 N RM0094173 N 73 RM 573299 R Jones 1991 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-104761 B. E. Nelson 20528 Robin Jones 3 6 1991 U.S.A. Wyoming Fremont Owl Creek/Bridger Mountains: Bridger Mountains: east end of Copper Mountain along and above Greer Draw, ca 12 air mi NNW of Lysite, ca 42 air mi NW of Riverton. Stony flat. 5850 6067 ft. 43.4353° N, 107.7639° W; uncertainty 1 mi. T40N R91W S16 43.4353 -107.7639 1 mi. N N 74 RM 573331 R Jones 1991 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-104762 B. E. Nelson 20557 Robin Jones 4 6 1991 U.S.A. Wyoming Fremont Owl Creek/Bridger Mountains: Bridger Mountains: southeast end of Copper Mountain, ca 9 air mi NW of Lysite, ca 40.5 air mi NW of Riverton. Stony slope with scattered sagebrush. 5700 6250 ft. 43.3919° N, 107.7639° W; uncertainty 1 mi. T40N R91W S33 43.3919 -107.7639 1 mi. N N 75 RM 573425 Bighorn Basin RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-104764 B. E. Nelson 20642 Robin Jones 5 6 1991 U.S.A. Wyoming Hot Springs Bighorn Basin: Padlock Rim, along a tributary of South Fork Coal Draw, ca 12 air mi NW of Thermopolis. Sandy slopes, flats, and rough breaks with juniper and limber pine. 5000 5340 ft. 43.7378° N, 108.4252° W; uncertainty 1 mi. T44N R96W S31 43.7378 -108.4252 1 mi. N N 76 RM 573540 Bighorn Basin RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-104767 B. E. Nelson 20745 Robin Jones 6 6 1991 U.S.A. Wyoming Hot Springs Bighorn Basin: between Kester Coulee and Prospect Creek, SW of Ilo Ridge, ca 5 air mi SSE of town site of Grass Creek, ca 25-26 air mi NW of Thermopolis. Stony clay slope. 5450 5520 ft. 43.88194° N, 108.59861° W; uncertainty 1 mi. T45N R98W S10 43.88194 -108.59861 1 mi. N N 77 RM 573637 Bighorn Basin RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-104768 B. E. Nelson 20833 Robin Jones 7 6 1991 U.S.A. Wyoming Hot Springs Bighorn Basin: ridge between Sand Draw and Cottonwood Creek just W of Wyo Hwy 120, ca 5 air mi NE of Hamilton Dome, ca 18 air mi NW of Thermopolis. Rough breaks of sandstones, mudstones, shales, coal, carboniferous shales, and associated soils. 5100 5300 ft. 43.8092° N, 108.4833° W; uncertainty 1 mi. T44N R97W S3 43.8092 -108.4833 1 mi. N N 78 RM 574994 Dueholm 1979 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-104888 B. E. Nelson 2728 27 5 1979 U.S.A. Wyoming Johnson Powder River Basin: ca 19 air mi NNE of Linch, ca 28.5 air mi NE of Kaycee, above Big Willow Creek on Iragaray Ranch. Infrequent in clay on west aspect of sagebrush upland with grasses. 4500 ft. 43.8731° N, 106.11917° W; uncertainty 1 mi. T45N R77W S16 NE1/4 43.8731 -106.11917 1 mi. N N 79 RM 585170 Haines 1985 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-24290 June Haines 4163 13 6 1985 U.S.A. Wyoming Fremont Haines' Farm, ca 9 mi W of Riverton on U.S. Hwy 26. Lane between big field and south horse pasture. 5377 ft. 43.0916° N, 108.5277° W; uncertainty 1 mi. T1N R3E S4 43.0916 -108.5277 1 mi. N N N N 80 RM 586632 Haines 1985 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-60854 June Haines 5573 16 8 1985 U.S.A. Wyoming Fremont Haines Farm, ca 9 air mi W of Riverton on U.S. Hwy 26. Lane between horse pasture and big field. 5377 ft. 43.0916° N, 108.5277° W; uncertainty 1 mi. T1N R3E S4 43.0916 -108.5277 1 mi. N N 81 RM 586997 Haines 1986 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-24324 June Haines 5917 19 5 1986 U.S.A. Wyoming Natrona Ca 6 air mi N of Arminto. Ravine below Pinus flexilis-covered slopes. 6600 6680 ft. 43.2647° N, 107.2529° W; uncertainty 1 mi. T38N R87W S14 43.2647 -107.2529 1 mi. N N 82 RM 587031 Haines 1986 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-105878 June Haines 5951 20 5 1986 U.S.A. Wyoming Fremont Wind River Basin: edge of Moneta Hills (badlands), ca 3 3/4 air mi NNE of Moneta. Sandstone outcrop. 5630 5730 ft. 43.2076° N, 107.7081° W T37N R91W S1 43.2076 -107.7081 N N 83 RM 587064 Haines 1986 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-24327 June Haines 5983 30 5 1986 U.S.A. Wyoming Fremont Edge of Government Meadows, ca 4.5 air mi NNE of Sweetwater Station. Sandy sagebrush grassland. 6610 6750 ft. 42.5999° N, 108.1606° W; uncertainty 2 mi. T30N R95W S2; also S3 42.5999 -108.1606 2 mi. N N 84 RM 587102 Haines 1986 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-105879 June Haines 6019 Georgia Haines 1 6 1986 U.S.A. Wyoming Natrona Wind River Basin: E-K Creek, ca 7.5 air mi NNE of Arminto. Sagebrush grassland on red soil. 6520 6600 ft. 43.2789° N, 107.2133° W T38N R86W S7 43.2789 -107.2133 N N 85 RM 587169 Haines 1986 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-24330 June Haines 6083a Georgia Haines 1 6 1986 U.S.A. Wyoming Natrona South Fork Sand Creek, ca 7 1/4 air mi E of Lost Cabin. Sandy sagebrush grassland. 5920 6000 ft. 43.2789° N, 107.4904° W; uncertainty 2 mi. T38N R89W S11; also S14 43.2789 -107.4904 2 mi. N N N N 86 RM 587489 Haines 1986 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-105887 June Haines 6388 Georgia Haines 14 6 1986 U.S.A. Wyoming Fremont Granite Mountain Uplift: top of Beaver Rim: Devils Gap, ca 7 air mi NNW of Sweetwater Station. North facing slope and valley bottom. 6800 7100 ft. 42.6292° N, 108.2583° W T31N R96W S25 42.6292 -108.2583 N N 87 RM 592535 Powder River Basin RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106309 Keith H. Dueholm 11380 7 6 1981 U.S.A. Wyoming Campbell Powder River Basin: ca 20 air mi SE of Reno Junction. Gently rolling sagebrush plain, eroded slopes with coal outcrops and sand, scoria outcrops; slopes, plains. 5000 ft. 43.5728° N, 105.1911° W; uncertainty 1 mi. T42N R69W S31 E1/2 43.5728 -105.1911 1 mi. N N N N 88 RM 592544 Powder River Basin RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106310 Keith H. Dueholm 11389 7 6 1981 U.S.A. Wyoming Campbell Powder River Basin: ca 25 air mi SE of Reno Junction. Pine-covered scoria hills with steep slopes, sagebrush on summits and along drainage; summit. 5000 ft. 43.5444° N, 105.0908° W; uncertainty 1 mi. T41N R69W S12 43.5444 -105.0908 1 mi. N N 89 RM 592736 SE WY 1981 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106317 Keith H. Dueholm 11581 17 6 1981 U.S.A. Wyoming Platte Southern Powder River Basin/Southeastern Plains: Southeastern Plains: S of North Platte River, ca 3 air mi SE of Guernsey. Eroded sandy hills with outcrops, south of river, with ponderosa pine. 4400 ft. 42.2414° N, 104.7236° W; uncertainty 1 mi. T26N R66W S12 42.2414 -104.7236 1 mi. N N 90 RM 593100 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106337 Keith H. Dueholm 1196 Ronald L. Hartman 21 5 1978 U.S.A. Wyoming Converse [location and coordinates withheld] Sagebrush plains. 4900 ft. N N 91 RM 593318 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106374 Keith H. Dueholm 1347 Ronald L. Hartman 24 5 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 4 road mi NW of Rockypoint. Open ponderosa pines, dissected plateau. 4200 ft. 44.9314° N, 105.1578° W; uncertainty 1 mi. T57N R69W S16 44.9314 -105.1578 1 mi. N N 92 RM 593379 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106380 Keith H. Dueholm 1408 Ronald L. Hartman 25 5 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Sagebrush plains. 3800 ft. N N 93 RM 593455 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106386 Keith H. Dueholm 1484 Ronald L. Hartman 26 5 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 2 road mi S of Rockypoint. Sagebrush plains. 4000 ft. 44.85611° N, 105.10806° W; uncertainty 1 mi. T56N R69W S11 44.85611 -105.10806 1 mi. N N 94 RM 593557 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106393 Keith H. Dueholm 1585 Ronald L. Hartman 28 5 1978 U.S.A. Wyoming Campbell Powder River Basin: Pumpkin Buttes: North Butte. Eroded rocky slopes on W face, rolling plains below, and plains at summit. Juniper and limber pine on slopes; open slopes. 6049 ft. 43.7864° N, 105.9553° W; uncertainty 3 mi. T44N R76W S14; also S15 and S16 43.7864 -105.9553 3 mi. N N 95 RM 593590 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106396 Keith H. Dueholm 1618 Ronald L. Hartman 29 5 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Rolling plains and shallow drainage N of road; sagebrush plains. 5000 ft. N N 96 RM 593611 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106400 Keith H. Dueholm 1639 Ronald L. Hartman 29 5 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Along creek and on adjacent plains; plains and open slopes. 5000 ft. N N 97 RM 593727 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106409 Keith H. Dueholm 1754 Ronald L. Hartman 3 6 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Shallow roadcut through plains; roadcut. 4800 ft. N N 98 RM 593845 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106418 Keith H. Dueholm 1873 Ronald L. Hartman 5 6 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Rolling plains, slope, rocky ground at summit; rocky slope. 4200 ft. N N 99 RM 593950 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106424 Keith H. Dueholm 1977 Ronald L. Hartman 7 6 1978 U.S.A. Wyoming Campbell Powder River Basin: White Tail Butte. Sandy slopes, sagebrush plains, draws, and roadside; slope. 4000 ft. 44.80444° N, 105.54222° W; uncertainty 2 mi. T56N R72W S29; also S30, S31, and S32 44.80444 -105.54222 2 mi. N N N N 100 RM 594047 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106430 Keith H. Dueholm 2074 9 6 1978 U.S.A. Wyoming Campbell Powder River Basin: along Wyo Hwy 59, 4.7 mi N of Converse County. Plains along right-of-way, ditch, open ground on road cut; plains. 5000 ft. 43.5711° N, 105.4525° W; uncertainty 1 mi. T42N R72W S36 43.5711 -105.4525 1 mi. N N 101 RM 594062 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106431 Keith H. Dueholm 2089 Ronald L. Hartman 10 6 1978 U.S.A. Wyoming Campbell Powder River Basin: Porcupine Creek; ca 15 air mi SSE of Reno Junction. Creek margins and adjacent sandy flats; plains. 4700 ft. 43.5711° N, 105.3317° W; uncertainty 1 mi. T42N R71W S36 43.5711 -105.3317 1 mi. N N 102 RM 594178 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106435 Keith H. Dueholm 2206 Ronald L. Hartman 11 6 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Plains, streambanks, drying mud behind holding dam; roadside. 4900 ft. N N 103 RM 594393 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106446 Keith H. Dueholm 2464 Ronald L. Hartman and Mary Alice Sanguinetti. 22 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 9 air mi NNE of Soda Wells. Eroded plains, small draw; plains. 3800 ft. 44.77917° N, 105.2383° W; uncertainty 1 mi. T55N R70W S2 44.77917 -105.2383 1 mi. N N 104 RM 594598 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106452 Keith H. Dueholm 2669 Ronald L. Hartman and Mary Alice Sanguinetti. 24 6 1978 U.S.A. Wyoming Campbell Powder River Basin: along Eightyfive Divide; ca 7 air mi S of Montana, 5 mi E of Hwy 59. Rolling plains and sandstone outcrops; rocky slope, plains. 3600 ft. 44.9022° N, 105.28° W; uncertainty 0.5 mi. T57N R70W S28 SE1/4 44.9022 -105.28 1 mi. N N 105 RM 594698 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106457 Keith H. Dueholm 2769 25 6 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Plains, and rocky slope of butte, with loose talus near summit; plains. 5015 ft. N N 106 RM 595247 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106481 Keith H. Dueholm 3317 Mary Alice Sanguinetti 5 7 1978 U.S.A. Wyoming Converse [location and coordinates withheld] Plains, sandstone outcrops, and hard sand along pipeline route; sandy roadcut. 5100 ft. N N 107 RM 595279 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106482 Keith H. Dueholm 3349 Mary Alice Sanguinetti 5 7 1978 U.S.A. Wyoming Converse Powder River Basin: near Bozeman Trail Monument. Sandy roadside. 5400 ft. 43.3967° N, 105.7869° W; uncertainty 1 mi. T40N R74W S31 43.3967 -105.7869 1 mi. N N 108 RM 595352 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106486 Keith H. Dueholm 3422 Mary Alice Sanguinetti 6 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Roadside, plains, ridge; ridge and ditch. 4100 ft. N N 109 RM 595394 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106489 Keith H. Dueholm 3464 Mary Alice Sanguinetti 7 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Plains along road; plains. 4300 ft. N N 110 RM 596285 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106524 Keith H. Dueholm 4357 Mary Alice Sanguinetti 15 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Eroded plains, draw, holding pond; plains. 4800 ft. N N 111 RM 596861 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106543 Keith H. Dueholm 5220 29 7 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Plains and flats along creek, eroded slopes, sandy roadcuts; roadcut. 4800 ft. N N 112 RM 597451 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-106565 Keith H. Dueholm 5829 9 8 1978 U.S.A. Wyoming Campbell [location and coordinates withheld] Rolling plains, sandy roadcut; roadcut. 4600 ft. N N 113 RM 609143 Hartman Misc RM 930325 RM0091512 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107004 Ronald L. Hartman 11544 Keith H. Dueholm 31 5 1980 U.S.A. Wyoming Hot Springs Owl Creek/Bridger Mountains: north slope of Bridger Mountains: U.S. Hwy 20, ca 5 air mi S of Thermopolis. Limestone and sandstone. 43.5844° N, 108.213° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T42N R95W S25 43.5844 -108.213 NAD 83 0 mi. N Nat. Geog. TOPO! BEN No elevation listed in the field notebook. N RM0091512 N 114 RM 610048 Wind River Basin RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107063 Ronald L. Hartman 13229 Keith H. Dueholm 28 6 1981 U.S.A. Wyoming Fremont Wind River Basin: Cedar Ridge and barren hills to the N. North slopes and crest of ridge with Juniperus osteosperma. 5600 6000 ft. 43.3644° N, 107.8839° W; uncertainty 3 mi. T39N R92W S9; also S16 and S21 43.3644 -107.8839 3 mi. N N 115 RM 610355 Hartman Misc RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107069 Ronald L. Hartman 13534 3 7 1981 U.S.A. Wyoming Fremont Ca 3 air mi SSW of Big Sand Draw Oil and Gas Field. Eroded slopes and ridges. 6000 7000 ft. 42.7186° N, 108.1981° W; uncertainty 1 mi. T32N R95W S28 42.7186 -108.1981 1 mi. N N 116 RM 610926 Bighorn Basin RM 931215 RM0094174 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107105 Ronald L. Hartman 14502 John Hamann 26 5 1983 U.S.A. Wyoming Park Bighorn Basin: southwest end of YU Bench: ca 20 air mi SE of Cody. Edge of bench and upper slopes. 5500 5600 ft. 44.3206° N, 108.74361° W T50N R99W S10 44.3206 -108.74361 N RM0094174 N 117 RM 610954 Bighorn Basin RM 930277 RM0091553 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107106 Ronald L. Hartman 14530 John Hamann 26 5 1983 U.S.A. Wyoming Park Bighorn Basin: ca 6 air mi S of Cody. Sandstone outcrops with scattered limber pine and shale drainages. 5400 5600 ft. 44.43694° N, 109.04806° W T52N R101W S31 44.43694 -109.04806 N RM0091553 N 118 RM 622518 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107541 Ronald L. Hartman 5237 Keith Dueholm 21 5 1978 U.S.A. Wyoming Campbell Powder River Basin: Wyo Hwy 59, less than 1 mi N of Converse County. Rolling grasslands and sagebrush slopes, dissected by a stream. 4700 ft. 43.5136° N, 105.4516° W; uncertainty 2 mi. T42N R72W S24 43.5136 -105.4516 2 mi. N N 119 RM 622531 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107542 Ronald L. Hartman 5250 Keith H. Dueholm 22 5 1978 U.S.A. Wyoming Campbell Powder River Basin: U.S. Hwy 16, ca 3.5 mi E of Gillette. Hill sides. 4500 ft. 44.28361° N, 105.4006° W; uncertainty 1 mi. T50N R71W S28 44.28361 -105.4006 1 mi. N N 120 RM 622569 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107546 Ronald L. Hartman 5288 Keith Dueholm 22 5 1978 U.S.A. Wyoming Campbell Powder River Basin: breaks of the Rochelle Hills, road ca 7 mi S of U.S. Hwy 16 and 1 mi E of Rozet. Base of breaks. 4800 ft. 44.19778° N, 105.1953° W; uncertainty 2 mi. T49N R69W S30; also S31 and S32 44.19778 -105.1953 2 mi. N N 121 RM 622599 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107549 Ronald L. Hartman 5319 Keith Dueholm 23 5 1978 U.S.A. Wyoming Campbell Powder River Basin: Miller Creek Road, ca 4.7 mi N of U.S. Hwy 16. Low hill dominated by sagebrush; slope. 4400 ft. 44.3436° N, 105.09611° W; uncertainty 2 mi. T50N R69W S1; also S2 and T51N R69W S35 and S36 44.3436 -105.09611 2 mi. N N 122 RM 622661 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107555 Ronald L. Hartman 5476 Keith Dueholm 25 5 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 5.5 mi N of Soda Wells. Rolling hills dissected by stream; sandy slopes. 3800 ft. 44.7081° N, 105.31972° W; uncertainty 1 mi. T55N R70W S31 44.7081 -105.31972 1 mi. N N 123 RM 622773 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107570 Ronald L. Hartman 5589 Keith H. Dueholm 27 5 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 14.5 air mi S of Gillette at crossing of Caballo Creek. Low flats along creek dominated by sagebrush and greasewood. 4800 ft. 44.07889° N, 105.455° W; uncertainty 2 mi. T47N R72W S1; also S2 44.07889 -105.455 2 mi. N N 124 RM 622823 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107573 Ronald L. Hartman 5639 Keith Dueholm 27 5 1978 U.S.A. Wyoming Campbell Powder River Basin: Pumpkin Buttes: South Middle Butte. Flat to rolling top with about 40 feet of sandstone cap rock beneath and steep slopes; top. 6000 ft. 43.7294° N, 105.8761° W; uncertainty 3 mi. T43N R75W S4; also S5 and S9 43.7294 -105.8761 3 mi. N N 125 RM 622959 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107581 Ronald L. Hartman 5774 Keith Dueholm 30 5 1978 U.S.A. Wyoming Campbell Powder River Basin: along Wyo Hwy 50, ca 1.5 mi N of Wyo Hwy 387; near Belle Fourche River. Rolling plains with sagebrush, dissected by small stream. 5200 ft. 43.6411° N, 105.7738° W; uncertainty 2 mi. T42N R74W S5; also S6 43.6411 -105.7738 2 mi. N N 126 RM 623012 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107588 Ronald L. Hartman 5826 Keith Dueholm 3 6 1978 U.S.A. Wyoming Converse Powder River Basin: Robertson Flat, along Wyo Hwy 59, ca 11 mi NNW of Bill. Rolling plains along highway. 4900 ft. 43.3989° N, 105.3839° W; uncertainty 1 mi. T40N R71W S33 43.3989 -105.3839 1 mi. N N 127 RM 623095 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107595 Ronald L. Hartman 5909 Keith Dueholm 4 6 1978 U.S.A. Wyoming Campbell Powder River Basin: Echeta Road, ca 7 air miles W of Gillette. Hills along railroad and moist grassy drainage; slopes. 4700 ft. 44.2958° N, 105.6617° W; uncertainty 2 mi. T50N R73W S20; also S21 44.2958 -105.6617 2 mi. N N 128 RM 623184 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107603 Ronald L. Hartman 5999 Keith Dueholm 5 6 1978 U.S.A. Wyoming Campbell Powder River Basin: U.S. Hwy 14-16, ca 6 mi SE of Horse Creek Butte. Road cut and edge of rolling plains. 4100 ft. 44.5733° N, 105.6664° W; uncertainty 1 mi. T53N R73W S17 44.5733 -105.6664 1 mi. N N 129 RM 623533 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107620 Ronald L. Hartman 6348 8 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 18 air mi SE of Gillette. Hill with grassy ridge and steep slopes, eroded slopes, and roadside; slope. 4700 ft. 44.095° N, 105.29222° W; uncertainty 1 mi. T48N R70W S32 44.095 -105.29222 1 mi. N N 130 RM 623565 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107626 Ronald L. Hartman 6380 9 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 7 air mi ESE of Gillette. Stream with adjacent eroded hills and plains; rocky hill top. 4600 ft. 44.22556° N, 105.35861° W; uncertainty 1 mi. T49N R71W S14 44.22556 -105.35861 1 mi. N N 131 RM 623649 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107629 Ronald L. Hartman 6463 9 6 1978 U.S.A. Wyoming Campbell Powder River Basin: 18 air mi SSE of Gillette. Rocky slopes and plains below; slope. 4600 ft. 44.0364° N, 105.3317° W; uncertainty 1 mi. T47N R71W S24 44.0364 -105.3317 1 mi. N N 132 RM 623741 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107635 Ronald L. Hartman 6554 Keith H. Dueholm 10 6 1978 U.S.A. Wyoming Campbell Powder River Basin: head of Piney Canyon, ca 22 air mi SE of Reno Junction. Rocky slopes, stream margins, and ponderosa pine woodlands; open slope. 4700 ft. 43.5881° N, 105.1117° W; uncertainty 2 mi. T43N R70W S26; also S35 43.5881 -105.1117 2 mi. N N 133 RM 623799 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107641 Ronald L. Hartman 6612 Keith Dueholm 11 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 3.5 air mi S of Reno Junction. Sagebrush covered slopes. 5100 ft. 43.7153° N, 105.4917° W; uncertainty 1 mi. T43N R72W S10 43.7153 -105.4917 1 mi. N N 134 RM 624272 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107665 Ronald L. Hartman 7158 Keith Dueholm and Mary Alice Sanguinetti 24 6 1978 U.S.A. Wyoming Campbell Powder River Basin: Eighty-five Divide, ca 11 air mi W of Rockypoint. Hills with sandstone outcrops. 3600 ft. 44.9314° N, 105.32083° W; uncertainty 2 mi. T57N R70W S18; also S19 44.9314 -105.32083 2 mi. N N N N 135 RM 624393 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107670 Ronald L. Hartman 7279 Mary Alice Sanguinetti 25 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 9 air mi SW of Gillette. Low hills with drainage and large shallow pond on flat. 4600 ft. 44.20944° N, 105.6408° W; uncertainty 1 mi. T49N R73W S21 44.20944 -105.6408 1 mi. N N 136 RM 624774 Dueholm 1978 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107685 Ronald L. Hartman 7656 Mary Alice Sanguinetti 29 6 1978 U.S.A. Wyoming Campbell Powder River Basin: ca 1 road mi W of Turnercrest. Roadsides and grasslands. 5100 ft. 43.5542° N, 105.6711° W; uncertainty 1 mi. T41N R73W S6 43.5542 -105.6711 1 mi. N N 137 RM 637240 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108260 B. E. Nelson 24765 17 5 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1-1.5 mi E of I-25, ca 13 air mi N of Casper. Flats of Carex with areas of Artemisia cana. 5560 5600 ft. 43.0472° N, 106.3103° W; uncertainty 1 mi. T36N R79W S34 43.0472 -106.3103 1 mi. Flowering and Fruiting N N 138 RM 637258 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108261 B. E. Nelson 24782 17 5 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: N of Coal Draw off County Road 116, ca 3 air mi N of Midwest. Sagebrush-grassland back of sandstone rimrock. 4800 4920 ft. 43.4511° N, 106.2622° W T40N R78W S7 43.4511 -106.2622 Flowering and Fruiting N N 139 RM 637453 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108272 B. E. Nelson 24975 20 5 1993 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: between Alum Creek and Old Woman Creek Hills, ca 19.7 air mi ENE of Lance Creek; ca 25 air mi NNE of Lusk. Swales and moist sagebrush-grasslands. 4250 4420 ft. 43.0971° N, 104.6534° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R62W S14 43.0971 -104.6534 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 140 RM 637482 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108273 B. E. Nelson 25004 20 5 1993 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Wyo Hwy 270 just W of intersection with Wyo Hwy 272, ca 2 air mi NE of Lance Creek; ca 22.5 air mi NNW of Lusk. Ridge top with conglomerate boulders and outcrops. 4420 4540 ft. 43.0524° N, 104.6152° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R65W S35 43.0524 -104.6152 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 141 RM 637521 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108277 B. E. Nelson 25043 20 5 1993 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: Flat Top, ca 5.5 air mi NNW of Shawnee; ca 17.5 air mi ENE of Douglas. Sagebrush-grassland on top of limestone butte. 5540 ft. 42.8172° N, 105.0453° W; uncertainty 1 mi. T33N R68W S20 42.8172 -105.0453 1 mi. Flowering and Fruiting N N 142 RM 637545 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108278 B. E. Nelson 25067 23 5 1993 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: S of Mikes Draw along Wyo Hwy 59 and Burlington Northern Railroad, ca 7 air mi S of Bill; ca 26.5 air mi N of Douglas. Sandy clay sagebrush-grassland with sparsely vegetated knolls. 4770 4830 ft. 43.1233° N, 105.2647° W; uncertainty 1 mi. T36N R70W S4 43.1233 -105.2647 1 mi. Flowering and Fruiting N N 143 RM 637570 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108279 B. E. Nelson 25091 23 5 1993 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Thunder Basin National Grasslands: along Cow Creek or County Road 45, ca 8.7 air mi NE of Bill; ca 39.5 air mi NNE of Douglas. Sandy clay sagebrush-grassland with sparsely vegetated knolls. 4800 4840 ft. 43.3008° N, 105.1042° W T38N R69W S2 43.3008 -105.1042 Flowering and Fruiting N N 144 RM 637587 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108281 B. E. Nelson 25108 24 5 1993 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Thunder Basin National Grasslands: along Steinle or County Road 40, ca 8 air mi NE of Bill; ca 41 air mi NNE of Douglas. Sparsely vegetated clay and sandy clay eroded slopes. 4700 4740 ft. 43.3283° N, 105.1467° W T39N R69W S28 43.3283 -105.1467 Flowering and Fruiting N N 145 RM 637619 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108282 B. E. Nelson 25140 24 5 1993 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 1.5 mi S and also ca 1.7 mi E of the Cheyenne River on Clareton or County Road 39, ca 5.5 air mi NE of Dull Center; ca 62.5 air mi NNE Douglas. Sedge-grassland flats with eroded slopes and draws below. 4360 4420 ft. 43.49° N, 104.9061° W; uncertainty 1 mi. T41N R67W S33 43.49 -104.9061 1 mi. Flowering and Fruiting N N 146 RM 637648 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108284 B. E. Nelson 25204 24 5 1993 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: above Sage Creek on old U.S. Hwy 85, ca 5 air mi ESE of Mule Creek Junction; ca 45 air mi NNE of Lusk. Sedge-grassland flats above badlands. 3960 4040 ft. 43.3613° N, 104.1291° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T39N R61W S13 43.3613 -104.1291 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 147 RM 637664 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108285 B. E. Nelson 25220 26 5 1993 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southeastern Plains: above Lost Creek on Harris or County Road 58, ca 2.5 air mi S of Lost Springs; ca 23 air mi E of Douglas. Sandy prairie with scattered patches of sagebrush. 4960 5020 ft. 42.7317° N, 104.9425° W T32N R67W S19 42.7317 -104.9425 Flowering and Fruiting N N 148 RM 637706 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108286 B. E. Nelson 25262 26 5 1993 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Hartville Uplift: ridge between Wyo Hwy 270 and upper Page Flat Draw, ca 8.3 air mi S of Manville; ca 10.7 air mi SW of Lusk. Cracks in limestone pavement on ridge top and adjacent stony slopes. 5700 6020 ft. 42.6586° N, 104.6097° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T31N R65W S13 42.6586 -104.6097 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 149 RM 637828 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108289 B. E. Nelson 25384 27 5 1993 U.S.A. Wyoming Platte Southern Powder River Basin/Southeastern Plains: Hartville Uplift: at the head of Webb Canyon on Wyo Hwy 270, ca 4.5 air mi N of Hartville; ca 8.5 air mi N of Guernsey. Stony sagebrush-grassland on limestone. 5200 5460 ft. 42.3847° N, 104.7047° W T28N R65W S19 42.3847 -104.7047 Flowering and Fruiting N N 150 RM 637882 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108291 B. E. Nelson 25437 27 5 1993 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Goshen Hole: between Horse Creek and Table Mountain on Wyoming Game and Fish Table Mountain Wildlife Management Area, ca 4 air mi SSE of Huntley; ca 14 air mi S of Torrington. Grasslands on sandy clay soils with marshes and playas. 4120 4160 ft. 41.88° N, 104.12° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T22N R60W S18 41.88 -104.12 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 151 RM 637938 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108292 B. E. Nelson 25493 27 5 1993 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Goshen Hole: Little Red Bill Hill and vicinity, ca 5.5 air mi W of Yoder; ca 15.5 air mi SW of Torrington. Short grass plains. 4310 4394 ft. 41.9122° N, 104.4062° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T22N R63W S3 41.9122 -104.4062 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 152 RM 638126 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108295 B. E. Nelson 25681 13 6 1993 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek and adjacent plains W of County Road 191, ca 4 air mi S of La Grange; ca 34 air mi S of Torrington. Mixed grass plains. 4660 4780 ft. 41.5708° N, 104.1408° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T19N R61W S36 41.5708 -104.1408 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 153 RM 641549 SE WY 1994 RM 704888 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108443 B. E. Nelson 30095 12 5 1994 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along South Fork of Dry Fork Cheyenne River at the end of 55 Ranch or County Road 23, ca 1-1.5 air mi E of Pine Ridge, ca 19 air mi E of Glenrock. Among sagebrush in a mosaic of sagebrush-grasslands and sedge-grasslands. 5440 5480 ft. 43.1362° N, 105.8478° W; uncertainty 0.5 mi. T37N R75W S34 South 1/4 43.1362 -105.8478 1 mi. Flowering and Fruiting N N 154 RM 641596 SE WY 1994 RM 704887 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108446 B. E. Nelson 30141 12 5 1994 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ridge between Phillips and Brown Springs creeks ca 2 air mi S of Dry Fork Cheyenne River off Ross or County Road 31, ca 23 air mi NNE of Glenrock. Areas of coarse sand and sandstone with sparse vegetation. 5440 5460 ft. 43.179° N, 105.7291° W; uncertainty 0.5 mi. T37N R74W S15 NE1/4 43.179 -105.7291 1 mi. Flowering and Fruiting N N 155 RM 641609 SE WY 1994 RM 704885 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108448 B. E. Nelson 30154 12 5 1994 U.S.A. Wyoming Converse Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: off Ross or County Road 31 N of North Fork Bear Creek below Manning Flat, ca 31.5 air mi NNE of Glenrock; ca 13.3 air mi SE of Ross. Sandstone rimrock and outcrops. 5300 5420 ft. 43.2932° N, 105.7093° W T38N R74W S2 E1/4 43.2932 -105.7093 Flowering and Fruiting N N 156 RM 641638 SE WY 1994 RM 704884 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108449 B. E. Nelson 30183 16 5 1994 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: in Kaye Oil Field on the divide between Walker and Twentymile creeks, ca 12.3 air mi WNW of Lance Creek; ca 31 air mi NW of Lusk. With scattered juniper on slopes and sides of washes and gullies. 4620 4820 ft. 43.082° N, 104.8826° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T36N R67W S22 E1/2 43.082 -104.8826 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 157 RM 641660 SE WY 1994 RM 704883 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108450 B. E. Nelson 30205 17 5 1994 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: hills N of Cow Creek on Cow Creek or County Road 3, ca 17.8 air mi NNW of Lance Creek; ca 39 air mi NNW of Lusk. Sedge-grassland on rolling dissected plains. 4300 4390 ft. 43.2856° N, 104.7339° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T38N R66W S12 NW1/4 43.2856 -104.7339 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 158 RM 641682 SE WY 1994 RM 704882 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108451 B. E. Nelson 30227 17 5 1994 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: at head of a branch of Garland Draw on Dixon or County Road 2 ca 2 air mi S of Weston County, ca 18.8 air mi WNW of Mule Creek Junction; ca 50.5 air mi NNW of Lusk. Rolling plains with a mosaic of sagebrush-grassland and sedge-grassland and occasional sandstone outcrops. 4300 4380 ft. 43.4736° N, 104.6777° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T40N R65W S4 NW1/4 43.4736 -104.6777 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 159 RM 641721 SE WY 1994 RM 704880 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108455 B. E. Nelson 30325 17 5 1994 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: near the Rest Area on U.S. Hwy 18 and 85, ca 9.3 air mi N of Lusk. Grassy slopes and flats above the canyons. 4920 5000 ft. 42.8949° N, 104.4098° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T34N R63W S27 NW1/4 42.8949 -104.4098 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 160 RM 641934 SE WY 1994 RM 704879 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108462 B. E. Nelson 30538 23 5 1994 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Notches or County Road 106 ca 1 air mi W of South Fork Powder River crossing, ca 4 air mi NNW of Powder River.; ca 38.5 air mi NW of Casper. A mosaic of sagebrush-grassland. 5650 ft. 43.0773° N, 107.0211° W T36N R85W S22 NE1/4 43.0773 -107.0211 Flowering and Fruiting N N 161 RM 642000 SE WY 1994 RM 704878 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108464 B. E. Nelson 30604 23 5 1994 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Okie Draw and a tributary NW of Notches Dome, ca 12 air mi NE of Waltman; ca 44.5 air mi NW of Casper. Slopes below canyon with scattered ponderosa and limber pine. 5880 5960 ft. 43.2076° N, 107.055° W T37N R85W S4 N1/4 43.2076 -107.055 Flowering and Fruiting N N 162 RM 642236 SE WY 1994 RM 704886 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Laura Welp. RM-108471 B. E. Nelson 30838 26 5 1994 U.S.A. Wyoming Goshen Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road just S of the Laramie River, ca 3.5 air mi WSW of Fort Laramie; ca 22.3 air mi NW of Torrington. Sandy plains at the base of cobblestone slopes in the river valley. 4280 4340 ft. 42.193° N, 104.581° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T26N R64W S30 SE1/4 42.193 -104.581 NAD 83 0 mi. N Y Nat. Geog. TOPO! BEN Flowering and Fruiting N N 163 RM 648506 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-109346 Ronald L. Hartman 40161 T. W. Nelson 6 7 1993 U.S.A. Wyoming Natrona Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, less than 1 air mi E of Fremont County. Alkaline draw with sandy slopes. 5580 ft. 43.1483° N, 107.5067° W T37N R89W S27 S 1/2 43.1483 -107.5067 Fruiting N N 164 RM 661618 SE WY 1993 RM 597259 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-110020 B. E. Nelson 25181 24 5 1993 U.S.A. Wyoming Weston Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Lone Tree Creek off the Morrissey Road just W of U.S. Hwy 85, ca 23 air mi S of Newcastle. Sagebrush-grassland with sparsely vegetated knolls. 3810 3840 ft. 43.5175° N, 104.2106° W; uncertainty 1 mi. T41N R61W S20 43.5175 -104.2106 1 mi. Flowering and Fruiting N N 165 RM 661666 SE WY 1994 RM 704881 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-108453 B. E. Nelson 30280 17 5 1994 U.S.A. Wyoming Weston Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: above a draw leading into South Fork Lone Tree Creek, off Grieves Road, ca 20.5 air mi SW of Newcastle. Rolling grassland plains with sandstone outcrops, buttes, and ridges. 4200 4270 ft. 43.7132° N, 104.5524° W T43N R64W S9 NW1/4 43.7132 -104.5524 Flowering and Fruiting N N 166 RM 662829 WY Black Hills 710121 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-110291 Hollis Marriott 11322 22 5 1991 U.S.A. Wyoming Crook Black Hills: Sundance Mountain on south side of Sundance. Grassy slopes at base of ski area and below open talus slopes on north side. 4900 5200 ft. 44.3894° N, 104.366° W T51N R63W S24 N1/2; also NW1/4 of SE1/4 S23 44.3894 -104.366 Flowering and Fruiting N N 167 RM 662830 WY Black Hills 710120 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-110292 Hollis Marriott 11323 22 5 1991 U.S.A. Wyoming Crook Black Hills: eroded buttes S of Hwy 116 and N of Inayn Kara Creek, ca 11 road mi SSW of Sundance. Grassland. 4800 4900 ft. 44.2385° N, 104.4267° W T49N R63W S9 SE1/4; also SW1/4 S10 44.2385 -104.4267 Flowering and Fruiting N N 168 RM 662831 WY Black Hills 710119 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-110293 Hollis Marriott 11324 23 5 1991 U.S.A. Wyoming Crook Black Hills: summit and north slopes of Lime Buttes, ca 4 air mi S of Sundance. Grassland. 4900 5100 ft. 44.3442° N, 104.366° W T50N R63W S1 W1/2; also SE1/4 S2 44.3442 -104.366 Flowering and Fruiting N N 169 RM 662832 WYNDD 710118 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-110294 Hollis Marriott 11325 24 5 1991 U.S.A. Wyoming Weston Southern Powder River Basin/Southeastern Plains: Southeastern Plains: between Stockade Beaver Creek and Old U.S. Hwy 85, just N of Beaver Creek and Dewey Road, ca 21 air mi SSE of Newcastle. Grassland on upper slopes and tops of knolls and ridges. 3800 3850 ft. 43.5585° N, 104.1125° W T41N R60W S6 South 1/2 of SE1/4 43.5585 -104.1125 Flowering and Fruiting N N 170 RM 663914 Marriott 1983 RM 374642 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-105525 Hollis Marriott 2348 27 5 1983 U.S.A. Wyoming Crook Black Hills: lower Carson Draw; ca 2.2 air mi W of Sundance. Grassland near road; red shale soil. 5000 ft. 44.4072° N, 104.4075° W; uncertainty 1 mi. T51N R63W S15 SW1/4; and SE1/4 S16 44.4072 -104.4075 1 mi. Flowering and Fruiting N N 171 RM 664109 Marriott 1983 RM 374641 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-105530 Hollis Marriott 2543 31 5 1983 U.S.A. Wyoming Crook [location and coordinates withheld] Pine forest, N and W facing slopes. 4100 ft. Flowering and Fruiting N N 172 RM 664207 Marriott 1983 RM 374640 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-105532 Hollis Marriott 2639 6 6 1983 U.S.A. Wyoming Crook Black Hills: Government Valley, ca 8 air mi NNE of Sundance. Grassland on red shale soil. 4600 ft. 44.52361° N, 104.3289° W; uncertainty 1 mi. T52N R62W S5 W1/2 44.52361 -104.3289 1 mi. Flowering and Fruiting N N 173 RM 664274 Marriott 1983 RM 374639 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-110433 Hollis Marriott 2707 7 6 1983 U.S.A. Wyoming Crook [location and coordinates withheld] Grassy slopes below quarry. 3600 ft. Flowering and Fruiting N N 174 RM 664832 Marriott 1983 RM 374638 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-105553 Hollis Marriott 3267 21 6 1983 U.S.A. Wyoming Crook Black Hills: Bear Lodge Mountains, Taylor Divide and headwaters of Ogden Creek; ca 4.8 air mi NNW of Sundance. Grassland, south and east facing slopes. 6300 6400 ft. 44.47917° N, 104.42944° W; uncertainty 1 mi. T52N R63W S21 SW1/4; and NW1/4 S28 44.47917 -104.42944 1 mi. Flowering and Fruiting N N 175 RM 667824 Marriott 1984 RM 374637 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-105613 Hollis Marriott 6256 22 5 1984 U.S.A. Wyoming Weston Black Hills: just W of Skull Creek Road near Shale Hill, ca 2.5 air mi NE of Osage. Big sagebrush-grassland. 4600 ft. 44.00972° N, 104.38917° W; uncertainty 1 mi. T47N R63W S35 44.00972 -104.38917 1 mi. Flowering and Fruiting N N 176 RM 667902 Marriott 1984 RM 374636 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Hollis Marriott in 1992. RM-105616 Hollis Marriott 6332 25 5 1984 U.S.A. Wyoming Weston Black Hills: Spring Creek just N of WY Hwy 116 and S of Pfeiffer Hill; ca 10 air mi SSW of Sundance. Grassland. 4700 ft. 44.2456° N, 104.42667° W; uncertainty 1 mi. T49N R63W S9 44.2456 -104.42667 1 mi. Flowering and Fruiting N N 177 RM 667989 Marriott 1984 RM 374635 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Hollis Marriott in 1992. RM-110695 Hollis Marriott 6419 28 5 1984 U.S.A. Wyoming Crook [location and coordinates withheld] Grassland on E side (ski area). 5100 ft. Flowering and Fruiting N N 178 RM 671233 Dueholm 1978 RM 323647 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-110951 Keith H. Dueholm 1286 Ronald L. Hartman 23 5 1978 U.S.A. Wyoming Crook [location and coordinates withheld] Sagebrush plains. 4000 ft. Flowering and Fruiting N N 179 RM 671286 Dueholm 1978 RM 323616 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-110955 Keith H. Dueholm 1340 Ronald L. Hartman 24 5 1978 U.S.A. Wyoming Crook [location and coordinates withheld] Large open areas in ponderosa pines. 4200 ft. Flowering and Fruiting N N 180 RM 674459 Dueholm 1978 RM 323625 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107551 Ronald L. Hartman 5331 Keith Dueholm 23 5 1978 U.S.A. Wyoming Crook Powder River Basin: road along the Belle Fourche River, ca 1 mi S of U.S. Hwy 16 and a few mi W of Moorcroft. Low hills near river with some hills topped by sandstone; rocky slopes. 4100 ft. 44.2708° N, 104.9931° W; uncertainty 1 mi. T50N R68W S35 44.2708 -104.9931 1 mi. Flowering and Fruiting N N 181 RM 674504 Dueholm 1978 RM 323636 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-111479 Ronald L. Hartman 5376 Keith Dueholm 24 5 1978 U.S.A. Wyoming Crook Powder River Basin: ca 5 air mi NW of Oshoto. Low hills with sagebrush; slope. 4000 ft. 44.6344° N, 104.99333° W; uncertainty 1 mi. T54N R68W S26 44.6344 -104.99333 1 mi. Flowering and Fruiting N N 182 RM 675469 WY Black Hills RM 314000 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-112028 Ronald G. Schreibeis D-667 18 5 1976 U.S.A. Wyoming Weston Ca 22 air mi S of Newcastle near Rattlesnake Ridge and S of Beaver Creek. T41N R61N S14 Fruiting N N 183 RM 712530 Elliott, Emily 2007 RM 938177 RM0108497 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-115636 Emily Elliott 73 Brian Elliott, B. E. Nelson 22 5 2007 U.S.A. Montana Carbon Bighorn Basin: along Grove Creek Road, ca 2.5 air mi W of Clarks Fork Yellowstone River, ca 5 air mi SW of Belfry. Clay slopes and ridge with sandstone outcrops with sagebrush and saltbush. 4140 4280 ft. 45.0793° N, 109.0835° W; WGS 84, , GPS reading T9S R22E S6 NW1/4 45.0793 -109.0835 NAD 83 N N GPS reading Flowering and Fruiting N RM0108497 184 RM 720250 Lukas BLM RM 918527 RM0078186 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-114814 Laura E. Lukas 982 20 6 2007 U.S.A. Wyoming Albany Centennial Valley: along County Road 416 (Dinwiddie Road), ca 2 air mi SE of Centennial, . Dry plains. 7902 ft. 41.2828° N, 106.1008° W; WGS 84, , GPS reading T15N R78W S12 41.2828 -106.1008 WGS 84 GPS reading Flowering and Fruiting RM0078186 185 RM 720433 Lukas 2007 RM 918526 RM0078187 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-114821 Laura E. Lukas 1195 22 6 2007 U.S.A. Wyoming Albany Medicine Bow Mountains: Boswell Creek, N of Forest Road 526, ca 4 mi E of Wyo Hwy 230; ca 4 air mi E of Wycolo; ca 21 air mi S of Centennial. Dry meadow. 8625 ft. 40.9988° N, 106.1285° W; WGS 84, , GPS reading T12N R78W S13; also T12N R77W S18 40.9988 -106.1285 WGS 84 GPS reading Flowering and Fruiting RM0078187 186 RM 740690 McNeill 2008 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Rick McNeill. RM-120774 Ronald L. Hartman 87438 Rick McNeill 16 6 2008 U.S.A. Montana Judith Basin Lewis and Clark National Forest: Little Belt Mountains: Forest Road 262, ca 9 air mi S of Geyser. Grassy valley with gravelly creek bottoms. 5095 ft. 47.1209° N, 110.5261° W; NAD 83, uncertainty 0.5 mi., GPS reading T16N R9E S25 47.1209 -110.5261 NAD 83 1 mi. GPS reading Flowering and Fruiting N 187 RM 750167 McNeill 2009 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa . RM-120837 Rick McNeill 4251 8 6 2009 U.S.A. Montana Judith Basin Little Belt Mountains: Kibbey Grade Road, ca 6.5 air mi S of junction with U.S. Hwy 87. Road cut with south aspect; 10-25% slope; high clay soil; Pinus ponderosa and Pinus flexilis. 1511 m. 47.1763° N, 110.7623° W; NAD 83, GPS reading T16N R8E S6 47.1763 -110.7623 NAD 83 GPS reading Flowering and Fruiting N 188 RM 755853 Hallman 2009 USFS 884349 USFS0049364 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa 1. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa
Annotated by Hans Hallman. RM-119498 B. E. Nelson 76968 Hans Hallman 9 6 2009 U.S.A. South Dakota Harding Custer National Forest: Slim Buttes: just N of SD Hwy 20, ca 0.5-1 air mi W of Reva Gap, ca 17.5 air mi E of Buffalo. Scoria hilltops. 3180 3280 ft. 45.5329° N, 103.1897° W; NAD 83, , GPS reading T18N R8E S7 SW1/4 45.5329 -103.1897 NAD 83 GPS reading Flowering and Fruiting N USFS0049364 189 RM 757226 Hallman 2009 USFS 884350 USFS0049365 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-119034 Hans Hallman 123 11 6 2009 U.S.A. South Dakota Harding Custer National Forest: Slim Buttes: ca 1 air mi W of SD Hwy 79 on JB or Forest Road 115 at southwest end of Square Top Butte, ca 22 air mi SE of Buffalo. Grass-dominated slopes below siltstone cliffs and outcrops interspersed with badlands. 3220 3400 ft. 45.4016° N, 103.1795° W; NAD 83, , GPS reading T17N R8E S29 SW1/4; also SE1/4 S31 and NW1/4 S32 45.4016 -103.1795 NAD 83 GPS reading Flowering and Fruiting N USFS0049365 190 RM 757583 Hallman 2009 USFS 886896 USFS0054425 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-119057 Hans Hallman 478 Grace Kostel, B. E. Nelson 14 6 2009 U.S.A. South Dakota Harding Custer National Forest: Slim Buttes: near terminus of eastern-most fork of North End or Forest Road 3124 in and around Mitchell Draw near Lena Spring Number 2, ca 3.5 air mi N of Reva Gap, ca 17.5 air mi E of Buffalo. Hardwood draw dominated by green ash. 3360 3560 ft. 45.5894° N, 103.1872° W; NAD 83, , GPS reading T19N R8E S30 45.5894 -103.1872 NAD 83 GPS reading Flowering and Fruiting N USFS0054425 191 RM 776108 Heidel 2009 RM 841647 RM0047757 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-132686 Bonnie Heidel 3297 11 6 2009 U.S.A. Wyoming Niobrara Eastern Plains: Hat Creek Breaks, 2 mi N of Kirtley. In upper slopes, north aspect, fine sandy loam, with Pinus ponderosa, Calamovilfa longifolia, Paronychia depressa, Lithospermum incisum. 4320 4420 ft. 42.8615° N, 104.125° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO! T33N R61W S1 SE1/4 SE1/4 42.8615 -104.125 NAD 83 700 ft. N N Nat. Geog. TOPO! BEN Occasional. Flowering N RM0047757 N 192 RM 776133 Heidel 2009 RM 841674 RM0047756 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-132709 Bonnie Heidel 3299 10 6 2009 U.S.A. Wyoming Niobrara Eastern Plains: near Seaman Hills, ca 22 air mi NE of Lusk, above Alum Creek. On north end rim, limey sandy loam, with Rosa arkansana. 4380 ft. 43.0668° N, 104.2617° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R62W S25 SW1/4 43.0668 -104.2617 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Uncommon. Flowering N RM0047756 N 193 RM 787520 Charboneau 2010 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-128522 B. E. Nelson 79621 Joseph L. M. Charboneau 8 6 2010 U.S.A. Montana Valley On Bentonite Road near the junction with Ridge and Burnett Spur roads, ca 27.5 air mi WSW of Glasgow. Ridge and slopes with large areas of crested wheatgrass and bentonite soil. 2500 2580 ft. 48.1068° N, 107.1905° W; NAD 83, GPS reading T27N R35E S10 SE1/4 48.1068 -107.1905 NAD 83 GPS reading Flowering and Fruiting N 194 RM 787585 Charboneau 2010 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-128527 B. E. Nelson 79686 Joseph L. M. Charboneau 10 6 2010 U.S.A. Montana Valley N of Mont Hwy 248 ca 2.5-3 air mi S of the West Fork Poplar River, ca 11 air mi E of Opheim. Grassland with swales and slopes of small cobblestones. 2890 3025 ft. 48.8529° N, 106.1629° W to 48.8565° N, 106.1643° W; NAD 83, GPS reading T36N R42E S24 W1/2 48.8529 -106.1629 NAD 83 GPS reading Flowering and Fruiting N 195 RM 787620 Charboneau 2010 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-128528 B. E. Nelson 79721 Joseph L. M. Charboneau 10 6 2010 U.S.A. Montana Valley Ridge S of Theony Road just W of Opheim Hills, ca 10 air mi W of Opheim. Stony slopes in grassland. 2860 2990 ft. 48.8503° N, 106.6263° W; NAD 83, GPS reading T36N R39E S28 N1/2; also S21 SW1/4 48.8503 -106.6263 NAD 83 GPS reading Flowering and Fruiting N 196 RM 788085 Charboneau 2010 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-128576 B. E. Nelson 80186 15 6 2010 U.S.A. Montana Valley Ridge W of Snake Creek and N of Hinsdale North Road, ca 27 air mi N of Hinsdale; ca 46.5 air mi NNW of Glasgow. Stony grassland with scattered silver sagebrush and a high ground cover of Selaginella. 2550 2570 ft. 48.777° N, 107.1165° W; NAD 83, GPS reading T35N R35E S23 SW1/4 48.777 -107.1165 NAD 83 GPS reading Flowering and Fruiting N 197 RM 788115 Charboneau 2010 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-128577 B. E. Nelson 80216 15 6 2010 U.S.A. Montana Valley Above Hardpan Coulee on Bluff Creek Road, ca 3 air mi S of Saskatchewan, ca 40 air mi N of Hinsdale; ca 57 air mi NNW of Glasgow. Stony clay slope with areas of exposed soil. 2660 2720 ft. 48.9587° N, 107.061° W; NAD 83, GPS reading T37N R35E S13 SW1/4 48.9587 -107.061 NAD 83 GPS reading Flowering and Fruiting N 198 RM 789475 Charboneau 2010 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-127288 Joseph L. M. Charboneau 24 15 6 2010 U.S.A. Montana Valley On The Pines Road at intersection with Ridge Road, ca 2 air mi SE of Pines Reservoir, ca 15.5 air mi WSW of Fort Peck. Rolling grasslands on badlands clay soil with drainages with occasional junipers. 2390 2490 ft. 47.9262° N, 106.7274° W to 47.9251° N, 106.7322° W; NAD 83, GPS reading T25N R39E S18 E1/2 47.9262 -106.7274 NAD 83 GPS reading Flowering and Fruiting N 199 RM 793549 Charboneau 2010 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-127679 Joseph L. M. Charboneau 192b 21 6 2010 U.S.A. Montana Valley On Larb Creek Road, ca 3 air mi N of Dead Mans Hill, ca 18.5 air mi SSW of Hinsdale. Rocky hilltops with sandy to loamy soil. 2380 2430 ft. 48.1731° N, 107.2803° W; NAD 83, GPS reading T28N R34E S24 NE1/4 48.1731 -107.2803 NAD 83 GPS reading Fruiting N 200 RM 809507 Dorn 2010 RM 906957 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-144410 Robert D. Dorn 10651 3 6 2010 U.S.A. Wyoming Natrona Ca 2 mi S of Badwater. Rocky clay slope with Juniperus and Artemisia. 6600 ft. 43° 17.6' N, 107° 24.9' W; Specimen Label 43.293333 -107.415 Specimen Label Flowers yellow. Flowering N N 201 RM 818614 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-142728 B. E. Nelson 81774 20 6 2011 U.S.A. Montana Valley Along Shipp Road above Cherry Creek (S and E), ca 2.5 air mi W of Mont Hwy 24, ca 13 air mi N of Glasgow. Rolling terrain below and slope of rim with meadows, bare areas, drainage channels, with clay soil, and cobblestone covered areas. 2550 2620 ft. 48.3821° N, 106.6215° W; NAD 83, GPS reading T30N R39E S2 SW1/4 48.3821 -106.6215 NAD 83 GPS reading Flowering and Fruiting N 202 RM 818673 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-142734 B. E. Nelson 81833 20 6 2011 U.S.A. Montana Valley Larb Hills (North): along South Bench Road, E of Tank Coulee, ca 1-1.5 air mi S of Hinsdale. Grassland with silver sagebrush above the rough breaks. 2300 2550 ft. 48.3756° N, 107.081° W; NAD 83, GPS reading T30N R36E S8 N1/2 48.3756 -107.081 NAD 83 GPS reading Flowering and Fruiting N 203 RM 819456 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141709 Joseph L. M. Charboneau 3900 19 5 2011 U.S.A. Montana Valley N of Willow Creek Road, near Mud Creek, ca 3 air mi SSE of Jack Rabbit Reservoir, ca 10.5 air mi WNW of Fort Peck; ca 12 air mi S of Glasgow. Grasslands with big sagebrush on stony clay soil. 2150 2160 ft. 48.0295° N, 106.6559° W to 48.0353° N, 106.6689° W; NAD 83, GPS reading T26N R39E S2 SW1/4; also S3 SE1/4 48.0295 -106.6559 NAD 83 GPS reading Flowering and Fruiting N 204 RM 819475 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141713 Joseph L. M. Charboneau 3919 19 5 2011 U.S.A. Montana Valley E of Willow Creek Road, ca 1.5 air mi SW of Willow Creek Flat Reservoir, ca 14 air mi WSW of Fort Peck; ca 17 air mi SSW of Glasgow. Big sagebrush-grasslands on clay soil. 2200 2330 ft. 47.969° N, 106.7245° W; NAD 83, GPS reading T26N R39E S31 NE1/4; also S32 NW1/4 47.969 -106.7245 NAD 83 GPS reading Flowering and Fruiting N 205 RM 819522 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141720 Joseph L. M. Charboneau 3966 22 5 2011 U.S.A. Montana Phillips Turkey Track Hill, NW of the end of the paved portion of Mont Hwy 243, ca 1 air mi N of the Milk River, ca 7 air mi N of Saco; ca 28 air mi ENE of Malta. Mixedgrass grasslands with spikemoss and fringed sage on stony clay soil. 2280 2320 ft. 48.5507° N, 107.3565° W; NAD 83, GPS reading T32N R34E S6 SW1/4; also S7 NW1/4 48.5507 -107.3565 NAD 83 GPS reading Flowering and Fruiting N 206 RM 819547 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141725 Joseph L. M. Charboneau 3990 22 5 2011 U.S.A. Montana Phillips S of U.S. Hwy 191, W of Alkali Creek, ca 2.5 air mi N of Halfway Coulee, ca 9 air mi SW of Malta. Silver sagebrush-grasslands on loamy soil with spikemoss and fringed sage. 2360 2480 ft. 48.2587° N, 107.9755° W; NAD 83, GPS reading T29N R29E S20 NE1/4; also S21 NW1/4 48.2587 -107.9755 NAD 83 GPS reading Flowering and Fruiting N 207 RM 819614 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141748 Joseph L. M. Charboneau 4058 Ben Wagner and Matt Ocko 27 5 2011 U.S.A. Montana Phillips Matador Ranch: N of Beaver Creek, ca 3.5 air mi NE of Coburn Butte, ca 9.5 air mi E of Zortman; ca 37 air mi SW of Malta. Silver sagebrush-grasslands on stony clay hillslopes and hilltops. 2950 3040 ft. 47.9263° N, 108.325° W; NAD 83, GPS reading T25N R26E S12 SW1/4; also S13 NW1/4 47.9263 -108.325 NAD 83 GPS reading Flowering and Fruiting N 208 RM 819681 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141759 Joseph L. M. Charboneau 4125 27 5 2011 U.S.A. Montana Phillips Matador Ranch: W of Stage Road, S of Big Warm Creek, ca 2 air mi W of Parrot Lake, ca 13 air mi ENE of Zortman; ca 31 air mi SW of Malta. Silver sagebrush-grasslands on stony clay soil. 2820 3020 ft. 48.0211° N, 108.2993° W; NAD 83, GPS reading T26N R26E S12 SE1/4; also T26N R27E S7 SW1/4 48.0211 -108.2993 NAD 83 GPS reading Flowering and Fruiting N 209 RM 819723 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141775 Joseph L. M. Charboneau 4167 29 5 2011 U.S.A. Montana Valley S of Britsch Road, N of Bitter Creek Natural Gas Pipeline Compressor Station, ca 4 air mi NNE of Forsman Reservoir, ca 28 air mi SW of Opheim; ca 32 air mi N of Glasgow. Stony hillsides. 2980 3040 ft. 48.6461° N, 106.6778° W to 48.653° N, 106.6764° W; NAD 83, GPS reading T34N R39E S31 SW1/4; also T33N R39E S6 NW1/4 48.6461 -106.6778 NAD 83 GPS reading Flowering and Fruiting N 210 RM 819740 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141778 Joseph L. M. Charboneau 4184 29 5 2011 U.S.A. Montana Valley N of Mont Hwy 24, S of Dry Fork Creek, ca 9 air mi SE of Forsman Reservoir, ca 26 air mi SSW of Opheim; ca 22.5 air mi NNE of Glasgow. Grasslands on stony clay soil. 2800 2900 ft. 48.4966° N, 106.5798° W to 48.5051° N, 106.5741° W; NAD 83, GPS reading T32N R40E S30 W1/2 48.4966 -106.5798 NAD 83 GPS reading Flowering and Fruiting N 211 RM 819762 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141781 Joseph L. M. Charboneau 4206 29 5 2011 U.S.A. Montana Valley Foss Coulee, S of Shipp Road, ca 5.5 air mi S of Glasgow Base Ponds, ca 2.5 air mi SW of St. Marie; ca 13 air mi NNE of Glasgow. Stony clay hilltops and slopes. 2690 2730 ft. 48.3722° N, 106.5762° W to 48.3713° N, 106.5822° W; NAD 83, GPS reading T30N R40E S7 NW1/4 48.3722 -106.5762 NAD 83 GPS reading Flowering and Fruiting N 212 RM 819879 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141895 Joseph L. M. Charboneau 4323 1 6 2011 U.S.A. Montana Valley E of Anderson Road, E of Timber Creek, ca 12 air mi WSW of Triple Crossing Reservoir, ca 44.5 air mi WSW of Fort Peck; ca 40 air mi WSW of Glasgow. Big sagebrush-grasslands on clay soil with greasewood. 2530 2540 ft. 47.914° N, 107.3641° W; NAD 83, GPS reading T25N R34E S20 NE1/4 47.914 -107.3641 NAD 83 GPS reading Flowering and Fruiting N 213 RM 819955 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141904 Joseph L. M. Charboneau 4398 4 6 2011 U.S.A. Montana Phillips Assiniboine Creek and ridge to the NE, ca 2.5 air mi W of the Milk River, ca 8 air mi NNE of Malta. Hills and swales on sandy soil. 2330 2540 ft. 48.4619° N, 107.8488° W to 48.4547° N, 107.8551° W; NAD 83, GPS reading T31N R30E S8 E1/2 48.4619 -107.8488 NAD 83 GPS reading Flowering and Fruiting N 214 RM 820004 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141910 Joseph L. M. Charboneau 4448 4 6 2011 U.S.A. Montana Phillips N of Assiniboine Road, ca 9.5 air mi WSW of Fanny Hill, ca 27 air mi SSW of Loring; ca 13 air mi NNW of Malta. Hillsides and hilltops 2740 2790 ft. 48.5301° N, 107.9741° W; NAD 83, GPS reading T32N R29E S16 SW1/4; also S17 SE1/4 48.5301 -107.9741 NAD 83 GPS reading Flowering and Fruiting N 215 RM 820047 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141919 Joseph L. M. Charboneau 4491 4 6 2011 U.S.A. Montana Phillips Spring Coulee, W of U.S. Hwy 191, ca 1.5 air mi W of the Milk River, ca 10.5 air mi NNE of Malta. Hillsides and hilltops on sandy soil. 2270 2500 ft. 48.496° N, 107.7649° W to 48.4936° N, 107.771° W; NAD 83, GPS reading T32N R30E S36 N1/2 48.496 -107.7649 NAD 83 GPS reading Flowering and Fruiting N 216 RM 820078 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141922 Joseph L. M. Charboneau 4522 6 6 2011 U.S.A. Montana Phillips E of Content Road, E of Sun Prairie Flats, ca 5 air mi WSW of Buckley Lake, ca 42 air mi E of Zortman; ca 33 air mi SSE of Malta. Sagebrush-grasslands on stony clay soil. 2390 2520 ft. 47.9215° N, 107.6411° W; NAD 83, GPS reading T25N R32E S18 NE1/4 47.9215 -107.6411 NAD 83 GPS reading Flowering and Fruiting N 217 RM 820152 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141930 Joseph L. M. Charboneau 4596 6 6 2011 U.S.A. Montana Phillips E of Beaver Creek, ca 4.5 air mi E of Black Cow Reservoir, ca 49 air mi ENE of Zortman; ca 31 air mi SSE of Malta. Sagebrush-grasslands on loamy soil. 2320 2360 ft. 48.0918° N, 107.5304° W; NAD 83, GPS reading T27N R33E S18 SW1/4 48.0918 -107.5304 NAD 83 GPS reading Flowering and Fruiting N 218 RM 820210 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141939 Joseph L. M. Charboneau 4654 8 6 2011 U.S.A. Montana McCone Deadman Butte, E of CMR Refuge Road 340, ca 7 air mi ENE of Fort Peck; ca 28 air mi SE of Glasgow. Grasslands with sagebrush and juniper on sandy soil. 2560 2650 ft. 48.0284° N, 106.3024° W; NAD 83, GPS reading T26N R42E S9 NE1/4 48.0284 -106.3024 NAD 83 GPS reading Flowering and Fruiting N 219 RM 820442 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141976 Joseph L. M. Charboneau 4886 12 6 2011 U.S.A. Montana Phillips W of North Forks Road, ca 6 air mi S of Saskatchewan, ca 12 air mi NNE of Whitewater; ca 43 air mi NNE of Malta. Grasslands with spikemoss, fringed sage, and scattered winterfat. 2710 2720 ft. 48.9138° N, 107.5132° W; NAD 83, GPS reading T37N R32E S33 SW1/4 48.9138 -107.5132 NAD 83 GPS reading Flowering and Fruiting N 220 RM 820506 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141981 Joseph L. M. Charboneau 4950 12 6 2011 U.S.A. Montana Phillips Dunbar Coulee, S of North Whitewater Road, ca 5 air mi WNW of Salsbery Reservoir, ca 7.5 air mi NNE of Whitewater; ca 46 air mi NNE of Malta. Grasslands with fringed sage and spikemoss on clay soil. 2580 2630 ft. 48.8582° N, 107.5633° W; NAD 83, GPS reading T36N R32E S29 NE1/4; also S20 SW1/4 48.8582 -107.5633 NAD 83 GPS reading Flowering and Fruiting N 221 RM 820800 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-142018 Joseph L. M. Charboneau 5244 15 6 2011 U.S.A. Montana Phillips Button Butte Coulee, W of Rudolph Valley Road, ca 5 air mi WNW of Button Butte, ca 29 air mi NW of Zortman; ca 26 air mi SSW of Malta. Grasslands with fringed sage and spikemoss. 2540 2560 ft. 48.1158° N, 107.9847° W; NAD 83, GPS reading T27N R29E S4 SE1/4; S9 NE1/4 48.1158 -107.9847 NAD 83 GPS reading Flowering and Fruiting N 222 RM 820947 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-142035 Joseph L. M. Charboneau 5391 19 6 2011 U.S.A. Montana Phillips Ridge W of Frenchman Creek, N of Frenchman Road, ca 1/4 air mi SW of Frenchman Reservoir, ca 22.5 air mi NNW of Hinsdale; ca 45 air mi NW of Glasgow. Silty-sandy badlands hillslopes. 2400 2500 ft. 48.7035° N, 107.2079° W; NAD 83, GPS reading T43N R34E S13 SW1/4 48.7035 -107.2079 NAD 83 GPS reading Fruiting N 223 RM 826061 Charboneau 2011 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-141753 Joseph L. M. Charboneau 4094b 27 5 2011 U.S.A. Montana Phillips S of U. S. Hwy 191, along BLM Road 1119, on ridge W of Rock Creek, ca 0.5 air mi W of JD Reservoir, ca 8.5 air mi SSW of Zortman; ca 52 air mi SW of Malta. Sagebrush-grasslands on clay soil on hilltops and slopes. 3160 3300 ft. 47.8034° N, 108.5868° W; NAD 83, GPS reading T24N R25E S30 SW1/4 47.8034 -108.5868 NAD 83 GPS reading Flowering and Fruiting N 224 RM 832931 Heidel 2011 RM 909193 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-148563 Bonnie Heidel 3517 8 6 2011 U.S.A. Wyoming Fremont Sweetwater River Valley: Beaver Rim, ca 1.5 mi N of U.S. Hwy 287 and ca 6 air mi NW of Sweetwater Station Sandy loam slopes below limestone outcrop. With Artemisia tridentata var. wyomingensis, Poa fendleriana, Trifolium andinum. 5840 ft. T30N R96W S4 NE1/4 Common. Flowering and Fruiting N 225 RM 839672 Hallman 2009 USFS0050469 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-119498 B. E. Nelson 76968 Hans Hallman 9 6 2009 U.S.A. South Dakota Harding Custer National Forest: Slim Buttes: just N of SD Hwy 20, ca 0.5-1 air mi W of Reva Gap, ca 17.5 air mi E of Buffalo. Scoria hilltops. 3180 3280 ft. 45.5329° N, 103.1897° W; NAD 83, , GPS reading T18N R8E S7 SW1/4 45.5329 -103.1897 NAD 83 GPS reading Flowering and Fruiting N USFS0050469 226 RM 849300 RMHERB1 USFS 404213 USFS0056066 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-151786 H. Earl French s.n. 29 5 1911 U.S.A. Wyoming Fremont Bonneville National Forest High sandy banks. 7000 ft. Flowering and Fruiting N USFS0056066 N 227 RM 882923 Heidel 2014 RM 930012 RM0091784 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-156733 Bonnie Heidel 3933 2 6 2014 U.S.A. Wyoming Fremont East Slope Wind River Range: N of Twin Creek, 12 mi SE of Lander. Fine sand loam slopes; with Phlox hoodii, Pinus flexilis, Phlox muscoides, Eremogone hookeri, Physaria reediana. 5800 ft. T32N R98W S33 SE1/4 N RM0091784 N 228 RM 883338 Bighorn Basin RM 931225 RM0094162 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-107105 Ronald L. Hartman 14502 John Hamann 26 5 1983 U.S.A. Wyoming Park Bighorn Basin: southwest end of YU Bench: ca 20 air mi SE of Cody. Edge of bench and upper slopes. 5500 5600 ft. 44.3206° N, 108.74361° W T50N R99W S10 44.3206 -108.74361 N RM0094162 N 229 RM 883339 Bighorn Basin RM 931224 RM0094161 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-104539 B. E. Nelson 14944 Erik Nelson 29 5 1988 U.S.A. Wyoming Big Horn Bighorn Basin: along and above St. Joe Canal off Dorsey Creek Road, ca 18 air mi W of Basin, ca 5 air mi SSE of Burlington. Sandy clay flats between canal slopes. 4400 44.37778° N, 108.40139° W T51N R96W S21 44.37778 -108.40139 N RM0094161 N 230 RM 906663 RMHERB2 RM 961453 RM0217062 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-452153 Nancy E. Hastings 902 P. Block 5 7 2007 U.S.A. Wyoming Platte Camp Guernsey: Walsh Ranch parcel; east end of transect ca 1.2 km due S of Range Guard 4, ca 8.6 km NE of Guernsey Reservoir. East-facing slope W of main road; mixed grass prairie with scattered juniper; silty loam with pebbles to cobbles; with Hesperostipa comata, Bouteloua gracilis, Carex filifolia, Bromus japonicus, B. tectorum, Muhlenbergia cuspidata, Elymus spicatus, Juniperus scopulorum, Linum sp. 1598 m. 523525E, 4690411N to 523460E, 4690522N; unknown, GPS reading N Scattered; sprawling, taprooted, annual herb; corolla yellow. Flowering and Fruiting N RM0217062 N 231 RM 906735 RMHERB2 RM 961454 RM0217029 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-452151 Nancy E. Hastings 100 P. Block 22 5 2007 U.S.A. Wyoming Platte Camp Guernsey: Walsh Ranch parcel; south end of transect ca 7.9 km NE of Gernsey Reservoir, ca 1.3 km SW of Range Guard 4. North-facing slope; burned pine/juniper woodland; silty loam with cobbles and larger rocks; with Cercocarpus montanus (sprouting from burned base), Draba reptans, Pulsatilla patens, Sisymbrium altissimum, Zigadenus venenosus, Allium textile, Bromus tectorum, Helianthus sp. 1555 m. 522782E, 4691215N to 522694E, 4690783N; unknown, GPS reading N Scattered; ascending to erect, taprooted, annual herb; corolla yellow. Flowering N RM0217029 N 232 RM 906736 RMHERB2 RM 961455 RM0217030 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-451750 Nancy E. Hastings 137 P. Block 23 5 2007 U.S.A. Wyoming Platte Camp Guernsey: Osburn Ranch parcel in Sawmill Canyon; north end of transect ca 1.3 km due E of North Platte River, ca 3.8 km NW of Impact Area center, ca 10.7 km NW of Range Control. South-facing slope; pine juniper open woodland with areas of mixed grass prairie; silty loam with gravel to cobbles with rock outcrops; with Pinus ponderosa, Juniperus scopulorum, Bouteloua gracilis, Bouteloua curtipendula, Schizachyrium scoparium, Artemisia nova, Allium textile, Parthenium alpinum, Hesperostipa comata. 1378 m. 508582E, 4692687N to 508626E, 4692822N to 508431E, 4692912N to 508333E, 4692841N; unknown, GPS reading N Scattered; ascending to erect, taprooted, perennial herb; 2 dm tall; corolla yellow. Flowering N RM0217030 N 233 RM 906737 RMHERB2 RM 961456 RM0217031 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-451912 Nancy E. Hastings 345 P. Block 4 7 2007 U.S.A. Wyoming Platte Camp Guernsey: rim of Sawmill Canyon on Osburn Ranch parcel; south end of transect ca 6.0 km NE of North Platte River, ca 7.9 km NW of Range Control. Sloping hillside; burned pine open forest; silty loam with rock outcrops; with Pinus ponderosa, Pascopyrum smithii, Packera plattensis, Bouteloua curtipendula, Descurainia pinnata, Elymus spicatus, Tetraneuris acaulis, Carex filifolia, Bromus tectorum, Koeleria macrantha. 1573 m. 512644E, 4695860N to 512801E, 4695425N; unknown, GPS reading N Infrequent; ascending to erect, taprooted, perennial herb; 10 cm tall; corolla yellow. Flowering and Fruiting N RM0217031 N 234 RM 907086 RMHERB2 RM 961522 RM0219364 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-452236 Patricia P. Douglas 227 Nancy E. Hastings 22 5 2000 U.S.A. Wyoming Fremont Lander Training Area: ca 1.3 km E of Smith Creek, ca 3.6 km W of Little Popo Agie River. Slopes of southwest to northeast-flowing drainage (15-30°); Wyoming big sagebrush; Mowry formation, sandy clay to silty clay with pebbles to cobbles; with Artemisia tridentata, Gutierrezia sarothrae, Opuntia polyacantha, Comandra umbellata, Ipomopsis congesta, Phlox hoodii, Koeleria macrantha. 1707 m. zone DMC, 690075E, 4745150N; unknown, GPS reading N Scattered; decumbent, woody taprooted, perennial herb; 15 cm tall; corolla yellow. Flowering N RM0219364 N 235 RM 917219 Heidel 2018 RM 981679 RM0245028 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-454913 Bonnie Heidel 4530 27 5 2018 U.S.A. Wyoming Albany West slope Laramie Range: ca 1.2 mi NE of U.S. Hwy 30, ca 3.2 air mi E of Downtown Laramie Sand plains, edge of outwash, sandy loam; with Cryptantha celosioides, Astragalus pectinatus, Hesperostipa comata. 7360 ft. 41.3173° N, 105.5341° W; WGS 84, , GPS reading T16N R73W S36 NW1/4 NW1/4 41.3173 -105.5341 WGS 84 N N GPS reading Flowering N RM0245028 N 236 RM 919850 Heidel 2018 RM 981978 RM0252715 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. arenosa RM-455759 Bonnie Heidel 4472 22 5 2018 U.S.A. Wyoming Sweetwater Great Divide Basin Area: Oregon Buttes Wilderness Study Area: ca 0.5 air mi S of Oregon Butte summit, ca 16 air mi SSW of South Pass City. Toeslope gravelly outwash, sandy loam, 1% slope, south aspect; with Artemisia tridentata ssp. wyomingensis, Elymus spicatus, Eremogone hookeri. 7840 ft. 42.2472° N, 108.8568° W; WGS 84, , GPS reading T26N R101W S10 NW1/4 NE1/4 42.2472 -108.8568 WGS 84 N N GPS reading Flowering N RM0252715 N 237 RM 111393 Ebertowski 2002 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-14358 Peter J. Ebertowski 1076 3 7 2002 U.S.A. Wyoming Niobrara Thunder Basin National Grassland and Vicinity: Old Woman Creek Hills, ca 2.5 air mi E of U.S. Hwy 85, ca 52 air mi S of Newcastle; ca 25 air mi NNE of Lusk. Side of road. 4250 4520 ft. 43.0966° N, 104.3171° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T36N R62W S16 43.0966 -104.3171 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 238 RM 252046 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-21767 Grace M. Kostel 4990 27 5 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 19.5-20 air mi SSW of Wall. On a mesa top and northeast facing slopes, soils are sand. 2650 2700 ft. 43° 42.723' N, 102° 18.929' W; GPS Reading T4S R15E S10 W1/2 43.71205 -102.315483 GPS Reading Flowering and Fruiting N N 239 RM 254507 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-21871 Grace M. Kostel 7445 23 6 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 12 air mi SSE of Wall. In typic badlands habitat; soils are deep heavy clay. 2575 ft. 43° 48.75' N, 102° 12.283' W; GPS Reading T3S R16E S4 E1/2 43.8125 -102.204717 GPS Reading Fruiting N N 240 RM 255040 Kostel 2005 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-21893 Grace M. Kostel 7976 29 6 2005 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 5.5 air mi SE of Scenic in Big Hollow Creek. Soils are unstable, gravel and clay streambed. 2750 ft. 43° 42.388' N, 102° 30.422' W; GPS Reading T4S R13E S12 South1/2 43.706467 -102.507033 GPS Reading Fruiting N N 241 RM 378147 WYNDD 710112 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-44675 Hollis Marriott 11331 12 6 1991 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southeastern Plains: east side of Old Woman Creek Hills along road to Indian Creek Oil Field, ca 5.4 road mi E of U.S. Hwy 85, ca 25 air mi NNE of Lusk. On sparsely-vegetated whitish soil with rocky flakes in small breaks in grassland along drainages and on disturbed areas, with Senecio canus, Cryptantha sp., Hymenopappus sp., Eriogonum sp. and Petalostemum. 4330 ft. 43.0968° N, 104.2677° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R62W S14 E1/2 43.0968 -104.2677 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 242 RM 378150 WYNDD 710109 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-44676 Hollis Marriott 11334 12 6 1991 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southeastern Plains: east side Old Woman Creek Hills along road to Indian Creek Oil Field, ca 8.0 road mi E of U.S. Hwy 85, at quarry NW of junction with road to Black Tail Creek, ca 21 air mi NNE of Lusk. On disturbed whitish rocky soil (part of Niobrara formation) with Mentzelia sp., and Astragalus bisulcatus. 4200 ft. 43.122° N, 104.2337° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R61W S6 43.122 -104.2337 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N N 243 RM 378151 WYNDD 710108 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-44677 Hollis Marriott 11335 12 6 1991 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southeastern Plains: east side Old Woman Creek Hills ca 0.5 mi E of road to Indian Creek Oil Field and N of road to Brush Creek, near old quarry on ridgecrest, ca 26 air mi NNE of Lusk. On sparsely-vegetated whitish rocky soil (member of Niobrara formation) with Oenothera caespitosa, Oryzopsis hymenoides, Astragalus bisulcatus, and Senecio canus. 4340 ft. 43.0996° N, 104.236° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R61W S18 NW1/4 43.0996 -104.236 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN only specimen sent to MSU Flowering and Fruiting N N 244 RM 400593 WYNDD RM 682363 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-59469 Walter Fertig 17570 21 6 1997 U.S.A. Wyoming Carbon West rim of Shirley Basin: south end of Chalk Mountain, ca 3 mi W of Wyo Hwy 77; ca 10.5 mi N of Shirley Mountains. Artemisia tripartita/A.tridentata/A. nova-Koeleria macrantha/Carex filifolia grassland on summit flats away from rim; soils lime-rich with 15% cover of small limestone pea-gravel. 7960 7980 ft. 42.3402° N, 106.4808° W; uncertainty 1 mi. T27N R81W S1 NE1/4 of NE1/4; also T27N R80W NW1/4 of NW1/4 S6, T28N R80W SW1/4 of SW1/4 S31; also T28N R81W SE1/4 S36 42.3402 -106.4808 1 mi. Flowering and Fruiting N N 245 RM 400598 WYNDD RM 682342 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-59471 Walter Fertig 17575 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. Summit of small knoll on sandy-clay (probably calcareous) with little to no gravel in community of Elymus spicatus with scattered Artemisia nova and Krascheninnikovia lanata. 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. Fruiting N N 246 RM 442826 South Dakota USFS 461507 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz 2. Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz
Annotated by Grace M. Kostel in 2005. RM-69098 Roger R. Kerbs 26 25 5 1967 U.S.A. South Dakota Custer Buffalo Gap National Grassland. 10% eastern slope; rocky clay soil; pasture and grassland with arfr., buda., Carex, ecan., pste., and ansc. 2950 3070 ft. 43.8473° N, 102.8491° W; uncertainty 1 mi. T2S R11E S30 43.8473 -102.8578 1 mi. Flowering and Fruiting N N 247 RM 496977 So Rocky Mts RM 344806 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-95178 Ronald C. Wittmann 2262 9 7 1983 U.S.A. Colorado Logan NE of Julesburg (Jumbo) Reservoir; at the top of the grade crossed by Road 93, ca 1 mi N of the intersection with Road 70, N of the Platte River. Prominent clay ridge. 1200 m. Fruiting N N 248 RM 498476 So Rocky Mts RM 383063 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-95997 Reed C. Rollins 86-04 Kathryn W. Rollins 13 6 1986 13 Jun1986 U.S.A. Colorado Logan NW of (Jumbo) Julesburg Reservior; 8 mi NW of Sedgewick. Clayey shale knoll. Fruiting N N 249 RM 501700 So Rocky Mts RM 344528 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-97682 William A. Weber 16627 Ron Wittman 21 5 1983 U.S.A. Colorado Logan NE of Julesburg (Jumbo) Reservoir; at top of grade crossed by Road 93, N of the Platte River. Clay ridges. 1200 m. Flowering and Fruiting N N 250 RM 680377 Heidel 2007 RM 823512 RM0047758 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-116686 Bonnie Heidel 2894 3 6 2007 U.S.A. Wyoming Niobrara Eastern Plains: Old Woman Creek Hills: ca 38 air mi S of Newcastle, both sides of Boner Road. Border of road bed on white, calcareous gravel; associated with Medicago sativa, Agropyron cristatum, Grindelia squarrosa. 4360 ft. T36N R62W S16 NW1/4 SW1/4 Restricted to border of roadbed; introduced with road construction. Flowering and Fruiting N RM0047758 N 251 RM 775945 Heidel 2009 RM 841644 RM0047762 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-132601 Bonnie Heidel 3293 7 6 2009 U.S.A. Wyoming Niobrara Eastern Plains: near Seaman Hills, ca 22 air mi NE of Lusk. On gravelly tableland, eroded drainage course, rim and butte slopes, on silt loam, all aspects, with Eremogone hookeri, Paryoncychia depressa, Astragalus spatulatus, Achnatherum hymenoides. 4320 4480 ft. 43.0493° N, 104.2558° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO! T36N R62W S36 1/2; also S35 E1/4 and T35N R62W S1 NE1/4 43.0493 -104.2558 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN Common. Flowering N RM0047762 N 252 RM 776107 Heidel 2009 RM 841646 RM0047759 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-132685 Bonnie Heidel 3296 9 6 2009 U.S.A. Wyoming Niobrara Eastern Plains: near Seaman Hills, ca 23 air mi NE of Lusk, above Alum Creek. On escarpment slopes, on flat, gravelly rim, west aspect, with Eriogonum pauciflorum, Achnatherum hymenoides, Juniperus scopulorum (below), and Artemisia tridentata ssp. wyomingsis, Elymus spicatus (above). 4320 4420 ft. 43.1136° N, 104.2575° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R62W S12 NW1/4 43.1136 -104.2575 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Common, and locally abundant. Flowering N RM0047759 N 253 RM 776135 Heidel 2009 RM 841676 RM0047761 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-132710 Bonnie Heidel 3295 9 6 2009 U.S.A. Wyoming Niobrara Eastern Plains: near Seaman Hills, ca 25 air mi NE of Lusk, N of gravel quarry above East Alum Creek. On low, flat, gravelly rim, with Eremogone hookeri, Elymus spicatus, Stenotus acaulis. 4240 ft. 43.1256° N, 104.2413° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R61W S6 NW1/4 43.1256 -104.2413 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Common. Flowering N RM0047761 N 254 RM 776136 Heidel 2009 RM 841677 RM0047760 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-132711 Bonnie Heidel 3290 7 6 2009 U.S.A. Wyoming Niobrara Eastern Plains: Seaman Hills, ca 22 air mi NE of Lusk. On eroding, silty, calcareous butte slopes, north and east aspect, outwash, toe and mid slopes, with Phlox hoodii, Achnatherum hymenoides, Rhus aromatica. 4300 4500 ft. 43.0275° N, 104.2047° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO! T35N R61W S5 SE1/4; also S8 NE1/4 NW1/4 and SW1/4 S9 43.0275 -104.2047 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN Common. Flowering N RM0047760 N 255 RM 849455 Heidel 2009 RM 841675 RM0048975 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-132685 Bonnie Heidel 3296 9 6 2009 U.S.A. Wyoming Niobrara Eastern Plains: near Seaman Hills, ca 23 air mi NE of Lusk, above Alum Creek. On escarpment slopes, on flat, gravelly rim, west aspect, with Eriogonum pauciflorum, Achnatherum hymenoides, Juniperus scopulorum (below), and Artemisia tridentata ssp. wyomingsis, Elymus spicatus (above). 4320 4420 ft. 43.1136° N, 104.2575° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T36N R62W S12 NW1/4 43.1136 -104.2575 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Common, and locally abundant. Flowering N RM0048975 N 256 RM 86161 SE WY 1993 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-13518 C. H. Refsdal 145 1 6 1993 U.S.A. Wyoming Niobrara Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Lusk. Shoulder of dirt road in small, white, rocky soil. 43.0961° N, 104.2708° W T36N R62W S14 43.0961 -104.2708 No elevation given. Flowering and Fruiting N N 257 RM 88643 Refsdal 1994 RM Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-13671 C. H. Refsdal 73 18 6 1993 U.S.A. Wyoming Niobrara Powder River Basin: by Lusk, on road leading to "Indian Creek Field." 43.0961° N, 104.2708° W T36N R62W S14 SE1/4 of NW1/4 43.0961 -104.2708 No elevation given. Flowering and Fruiting N N 258 RM 906335 Dorn 2018 RM 958471 RM0215267 Brassicaceae Physaria arenosa (Richardson) O'Kane & Al-Shehbaz var. argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz RM-452051 Robert D. Dorn 12036 15 6 2018 U.S.A. South Dakota Fall River Ca 11 mi NE of Edgemont along County Road 317. Barren red beds with Oxytropis and Yucca. 4200 ft. 43° 27.5' N, 103° 44.5' W; unknown, , GPS reading 43.458333 -103.741667 unknown N GPS reading Flowers yellow. Flowering and Fruiting N RM0215267 N