: 1.21 $2024-03-28T14:42:07-7:0018.232.188.122searchRMRM653971 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1047David Rosenthal1997620171U.S.A.WyomingParkNorthern Absaroka Area: Shoshone National Forest: from Four Bear Trailhead to peak 8245T (Jim Mountain Quad), E of Jim Mountain and NW of Four Bear, ca 2.5 mi E of town of Wapiti on U.S. Hwy 14, 16, and 20.-109.385844.493517682134Stream bottom and adjacent slopes. Phenology: fruiting.RMRM653972 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.58703Ronald L. Hartman Jim Fowler1997726207U.S.A.WyomingParkNorthern Absaroka Area: east side of Sheep Mountain, ca 8 air mi SW of top of Cedar Mountain.-109.305144.421117371829Eroded shales and sandstones with wet spots. Phenology: fruiting.RMRM653973 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.59727Ronald L. Hartman1997813225U.S.A.WyomingParkNorthern Absaroka Area: Buffalo Bill Reservoir, ca 10 air mi ESE of Wapiti.-109.244644.43561676Area of water fluxuation and roadside. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.56679B. E. Nelson Peter Ebertowski2002611162U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: along Lake Creek and area to the E, ca 14 air mi NE of Bill; ca 46 air mi NNE of Douglas.-105.090643.384413531381Greasewood flats above the creek. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.56874B. E. Nelson Peter Ebertowski2002613164U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: Pine Ridge, ca 1 air mi W of Wyo Hwy 116, ca 4.5 air mi N of Upton.-104.610844.146413681408Bentonite reclamation areas. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.56964B. E. Nelson Peter Ebertowski2002613164U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: along Pump Creek W of Forest Road 913, ca 5.5 air mi ESE of Upton.-104.510244.06221457Flats above the creek. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.57001B. E. Nelson Peter Ebertowski2002613164U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: Sixmile Basin off Forest Road 918, ca 8.5 air mi SSE of Osage; ca 9 air mi W of Newcastle.-104.389643.865712191250Clay flats in bottom of basin. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.57219B. E. Nelson2002618169U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: along West Fork Duck Creek, ca 7.5 air mi NE of Soda Well, ca 28 air mi NE of Gillette.-105.197544.717312011219Reservoir bottom and channel leading into it. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1288Peter J. Ebertowski200277188U.S.A.WyomingCrookThunder Basin National Grassland and Vicinity: Cracker Creek on County Road 68, ca 25 air mi NNE of Weston; ca 40 air mi NNE of Gillette.-105.035544.746711891225Side of road in grassland. Phenology: fruiting.RMRM649332 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.56821Ronald L. Hartman Amy J. Roderick and B. A. Packer199765156U.S.A.WyomingCarbon[location and coordinates withheld]19812012Broken slate (shale) with ponderosa pine, rocky sandstone ridges, and alkaline flats. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.326Peter J. Ebertowski2002620171U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: Hay Creek and vicinity on Mush Creek or County Road 58, ca 27 air mi WSW of Newcastle; ca 21 air mi SSW of Upton.-104.730843.799213011314Creek bed. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.841Peter J. Ebertowski2002630181U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: clay balds, on two track W of Keeline or Forest Road 930, ca 20.5 air mi ESE of Wright; ca 45 air mi SSE of Gillette.-105.089943.714313811445Side of road in sagebrush. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3876Peter J. Ebertowski2003527147U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: hills around gravel pit on two-track road off of School Creek or Forest Road 968, ca 17 air mi SE of Wright; ca 42 air mi SSE of Gillette.-105.189643.643414201457Low drainage area in grassland. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3924Peter J. Ebertowski2003527147U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: Brown Reservoir on Forest Road 911, ca 2 air mi SW of Upton; ca 18 air mi SE of Moorcroft.-104.671144.076213101341Mosaic of sagebrush grassland and grassland with clayey soils. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4234Peter J. Ebertowski200364155U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: ridge S and E of Patrick Creek and Thornton on County Road 32, ca 7 air mi NW of Upton; ca 13 air mi SE of Moorcroft.-104.731444.146413231371Disturbed area near stock pond. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4432Peter J. Ebertowski200368159U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: hills W of Skull Creek, on County Road 14, ca 5.5 air mi N of Osage; ca 12 air mi ESE of Upton.-104.409744.048113711420Hilly sagebrush grassland. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4493Peter J. Ebertowski200368159U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: slopes surrounding Iron benchmark, on Butcher or County Road 25, ca 8 air mi SE of Upton; ca 5.5 air mi WNW of Osage.-104.530344.00612621298Sagebrush grassland with scattered greasewood. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4525Peter J. Ebertowski200368159U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: hills W of Turner Creek, on two-track off of U.S. Hwy 16, ca 8 air mi SE of Upton; ca 5.5 air mi WNW of Osage.-104.510244.00612621298Mosaic of sagebrush grassland and clay badlands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4724Peter J. Ebertowski2003612163U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: sagebrush grassland immediately SE of Little Powder River, off Wyo Hwy 59, ca 18 air mi N of Gillette; ca 30 air mi NW of Moorcroft.-105.420344.526412041219Sagebrush grassland on rocky soil. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4763Peter J. Ebertowski2003613164U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: tributary of Spoon Creek, on County Road 49, ca 6 air mi SW of Osage; ca 14 air mi SSE of Upton.-104.510243.921812401250Grassy wash. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5114Peter J. Ebertowski2003618169U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: ridge immediately NE of Beaver Creek, on Upton - Fairview or County Road 59, ca 3 air mi S of Upton; ca 25 air mi NW of Newcastle.-104.65144.048112921323Sagebrush grassland with rocky clay patches. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5642Peter J. Ebertowski2003629180U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: hills W of Dry Creek, on Forest Road 913, ca 8 air mi NE of Upton; ca 25 air mi NW of Newcastle.-104.490144.146413961417Shoreline of reservoir. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5678Peter J. Ebertowski2003629180U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: bentonite pit W of East Iron Creek, on Forest Road 914, ca 8 air mi ESE of Upton; ca 20 air mi NW of Newcastle.-104.490144.048112921329Edge of pond. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6019Peter J. Ebertowski200373184U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: sagebrush grassland ca 1.3 mi NW of Soda Well, on Forest Road 1032, ca 31 air mi NNE of Gillette; ca 35 air mi NNW of Moorcroft.-105.298844.702611581207Dam wall of earth and rock. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6106Peter J. Ebertowski200375186U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: washes W of and draining to Bobcat Creek, on Forest Road 958, ca 10 air mi E of Bill; ca 37 air mi NNE of Douglas.-105.070643.240814021426Disturbed area around stock tank. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6558Peter J. Ebertowski2003711192U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: Well Creek, on Stewart Road, ca 10 air mi WNW of Moorcroft; ca 18 air mi E of Gillette.-105.155744.31413041317Upland area around well and pond. Phenology: flowering & fruiting.RMRM649333 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.57424Ronald L. Hartman Amy J. Roderick and Cherie Winner1997611162U.S.A.WyomingNatrona[location and coordinates withheld]16701676Shale hills and sandy areas and badlands. Phenology: fruiting.RMRM619086 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.18836Erwin F. Evert1990613164U.S.A.WyomingParkBighorn Basin: along west side of Oregon Basin Road, ca 1.5 mi S of U.S. Hwy 14, 16, and 20.-108.867244.48281600Sagebrush-grassland with Artemisia tridentata var. wyomingensis, Artemisia pedatifida, Delphinium geyeri, Bouteloua gracilis, Carex filifolia, and Stipa comata. Phenology: flowering & fruiting.RMRM779847 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.22622Erwin F. Evert1992610162U.S.A.MontanaCarbon[location and coordinates withheld]1371Sagebrush-grassland with Artemisia pedatifida, Hymenoxys acaulis, Atriplex confertifolia, and Bouteloua gracilis. Phenology: flowering & fruiting.RMRM779759 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.22740Erwin F. Evert1992611163U.S.A.MontanaStillwater[location and coordinates withheld]1097Weedy riparian area with Salix amygdaloides, Acer negundo, Populus deltoides and Medicago lupulina. Phenology: flowering & fruiting.RMRM780353 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.26661Erwin F. Evert199465156U.S.A.MontanaCarbonShupak Pond, ca 6 mi NNW of Belfry.-109.036445.22621189Disturbed sagebrush-grassland S of pond with Erigeron pumilus, Alyssum desertorum, Lappula redowskii, and Bromus tectorum. Phenology: flowering.RMRM780957 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.27136Erwin F. Evert1994618169U.S.A.MontanaMadisonMeadow Lake Fishing Access and Campground along northeast shore of Ennis Lake, ca 2 mi E of McAllister.-111.588445.44331469Disturbed ground and road with Melilotus officinalis, Dactylis glomerata, and Poa pratensis. Phenology: buds.RMRM783278 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.28687Erwin F. Evert199566157U.S.A.WyomingHot SpringsBighorn Basin: ca 0.5 mi NE of Grass Creek, just N of Cottonwood Creek Road, ca 22 mi NW of Thermopolis.-108.381443.86551524Shrub steppe with Atriplex confertifolia, Atriplex gardneri, Lappula redowskii, and Xylorhiza glabriuscula. Phenology: flowering & fruiting.RMRM783482 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.28892Erwin F. Evert1995611162U.S.A.WyomingHot SpringsBighorn Basin: along east side of Murphy Draw Road, ca 2.5 mi N of Wyo Hwy 431.-108.521844.04281646Saltbush-grassland with Atriplex gardneri, Xylorhiza glabriuscula, Poa secunda, and Sisymbrium altissimum. Phenology: flowering & fruiting.RMRM782438 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.28931Erwin F. Evert1995611162U.S.A.WyomingHot SpringsBighorn Basin: along northeast side of Murphy Draw Road, ca 4 mi N of Wyo Hwy 431.-108.541844.05761707Disturbed saltbush-grassland with Atriplex gardneri, Thlaspi arvense, Bromus tectorum, and Allium textile. Phenology: flowering & fruiting.RMRM782694 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.29220Erwin F. Evert1995616167U.S.A.MontanaPark[location and coordinates withheld]1493Disturbed, weedy riparian area with Iris missouriensis, Salix lutea, Symphoricarpos occidentalis, and Berteroa incana. Phenology: vegetative only.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.29778Erwin F. Evert199576187U.S.A.MontanaSweet Grass[location and coordinates withheld]1158Disturbed, weedy riparian area and field with Bromus tectorum, Medicago lupulina, and Poa pratensis.RMRM788340 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.30720Erwin F. Evert199664156U.S.A.MontanaCarbonRest Area along east side of U.S. Highway 310, 2 1/2 mi N of Bridger.-108.813645.32681091Disturbed, mowed vegetation and road shoulder. Phenology: flowering & fruiting.RMRM788201 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.30780Erwin F. Evert199664156U.S.A.MontanaCarbonRidge 2.5 mi SW of Fromberg and 3/4 mi W of U.S. Highway 310.-108.935245.35591150Along irrigation ditch with Equisetum arvense, Iva axillaris, and Alopecurus arundinaceus. Phenology: flowering & fruiting.RMRM788079 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.30993Erwin F. Evert199666158U.S.A.MontanaCarbonRidge 1 mi W of Belfry and 1/4 mi N of Mont Hwy 308.-109.036345.138612501280Sagebrush-grassland with Atriplex confertifolia, Agropyron spicatum, and Astragalus missouriensis. Phenology: flowering & fruiting.RMRM787185 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.31220Erwin F. Evert1996614166U.S.A.MontanaParkRest area along the east side of Montana Highway 89: just S of Big Creek, 27 mi S of Livingston.-110.827645.29961536Weedy, non-irrigated area adjacent to mowed lawn at north end of area with Bromus tectorum, Veronica arvensis, and Ranunculus testiculatus. Phenology: flowering & fruiting.RMRM818371 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.32782Erwin F. Evert1997610161U.S.A.MontanaCarbonRidge ca 1.5 mi E of Edgar and U.S. Hwy 310.-108.832445.47261067Highly disturbed sagebrush-grassland with Bromus tectorum, Agropyron spicatum, and Alyssum alysoides. Phenology: flowering & fruiting.RMRM818213 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.32820Erwin F. Evert1997610161U.S.A.MontanaCarbonRidge 4 mi NE of Fromberg; 1.5 mi E of U.S. Hwy 310.-108.832445.443311891219Disturbed sagebrush-grassland with Agropyron spicatum, Bromus tectorum, and Alyssum alyssoides. Phenology: fruiting.RMRM818458 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.33051Erwin F. Evert1997621172U.S.A.WyomingHot SpringsBighorn Basin: ridge and sandstone outcroppings N of Upper Cottonwood Creek Road, ca 28 mi NW of Thermopolis.-108.5243.82111585Sagebrush-grassland with Bouteloua gracilis, Bromus tectorum, and Sarcobatus vermiculatus. Phenology: fruiting.RMRM818493 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.33085Erwin F. Evert1997621172U.S.A.WyomingHot SpringsBighorn Basin: ridge just N of Cottonwood Creek at bridge, ca 30 mi NW of Thermopolis.-108.683943.76361768Overgrazed sagebrush-grassland with Bromus tectorum, Arenaria hookeri, and Plantago patagonica. Phenology: flowering & fruiting.RMRM818648 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.33246Erwin F. Evert1997622173U.S.A.WyomingHot SpringsBighorn Basin: Public Fishing Access Site along the west side of the Big Horn River, ca 4 mi N of Thermopolis.1295Weedy, riparian area with Elaeagnus angustifolia, Bromus tectorum, Sporobolus airoides, and Alyssum desertorum. Phenology: fruiting.RMRM819777 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.33278Erwin F. Evert1997622173U.S.A.WyomingHot SpringsBighorn Basin: Public Fishing Access Site along the east side of the Big Horn River, just NE of Lucerne, 7 mi N of Thermopolis.1280Weedy, riparian area in sandy soil with Bromus tectorum, Malcolmia africana, Sporobolus airoides, and Centaurea repens. Phenology: fruiting.RMRM819962 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.34600Erwin F. Evert199786218U.S.A.MontanaCarbonEast Bridger, along Burlington Northern tracks E of town.1106Disturbed area around grain elevators with Distichlis stricta, Bromus tectorum, and Kochia scoparia. Phenology: flowering & fruiting.RMRM819885 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.34760Erwin F. Evert1997811223U.S.A.WyomingParkBighorn Basin: Cody city reservoir S of town.1554Disturbed areas along paths adjacent to reservoir with Kochia scoparia, Amaranthus retroflexus, Convolvulus arvensis, and Euphorbia glyptosperma. Phenology: fruiting.RMRM820152 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.34885Erwin F. Evert199862153U.S.A.MontanaCarbonAlong the south side of Yellowstone River at the mouth of Wolf Canyon, ca 14 mi WSW of Laurel.-109.038145.58891042Disturbed riparian community in dry soil with Trifolium repens, Poa pratensis, and Convolvulus arvensis. Phenology: buds.RMRM820500 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.34996Erwin F. Evert1998611162U.S.A.WyomingHot SpringsBighorn Basin: ridge ca 4 mi W of Gebo; 14 mi NW of Thermopolis.-108.305443.792414021493Sagebrush-grassland with scattered Juniperus scopulorum, Oryzopsis hymenoides, Koeleria macrantha, Bouteloua gracilis, and Platyschkuhria integrifolia. Phenology: fruiting.RMRM820425 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.35023Erwin F. Evert1998612163U.S.A.WyomingHot SpringsBighorn Basin: ridge ca 0.5 mi S of Kirby Creek just east of Blue Springs Draw, 20 mi NE of Thermopolis.-107.94643.71151402Sagebrush-grassland with Stipa comata, Bromus tectorum, and Bouteloua gracilis. Phenology: fruiting.RMRM820293 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.35166Erwin F. Evert1998613164U.S.A.WyomingHot SpringsBighorn Basin: along the railroad tracks at Lucerne, 6 mi N of Thermopolis.-108.16643.73481417With Distichlis stricta, Sisymbrium altissimum, and Kochia scoparia. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.984Erin Foley Michael Foley2003620171U.S.A.ColoradoGrandArapaho National Forest: Middle Park: just N of U.S. Hwy 40, ca 3 mi W of Parshall; ca 9 mi E of Kremmling.-106.232440.06622286Roadside and sagebrush steppe. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.10035Erin Foley2004714196U.S.A.ColoradoGrandMiddle Park: Fishing Access at the junction of Colorado River and Blue River; ca 1 air mi SW of Kremmling and ca 10.5 air mi NE of Radium.-106.395740.04292256Along road on fine sediment. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.11758Erin Foley2004818231U.S.A.ColoradoGrandMiddle Park: Hot Sulphur Springs State Wildlife Area: Colorado River Fishing Access from parking area to River, ca 1.5 air mi WNW of Parshall and ca 10 air mi E of Kremmling.-106.207440.0622286Disturbed area adjacent to parking lot through sagebrush. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6835Erin Foley200463155U.S.A.ColoradoGrandMiddle Park: Dry Creek along County Road 1, ca 3 air mi SSW of Kremmling and ca 9.5 air mi NE of Radium.-106.39640.01352317In moist disturbed area. Phenology: flowering & fruiting.RM650584 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.45820Ronald L. Hartman1994531151U.S.A.WyomingSweetwater[location and coordinates withheld]20422164Eroded slopes and flats below with drainage. Phenology: fruiting.RM650238 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4941Laura Welp199561152U.S.A.WyomingCarbonGreat Divide Basin Area: Great Divide Basin: ca 6.5 air mi SE of Creston Junction; ca 3.5 air mi SW of Riner.-107.615341.706121002109West facing sandstone slope with low sagebrush and grasses; sandy soil. Phenology: buds.RM650239 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4959Laura Welp199563154U.S.A.WyomingCarbon[location and coordinates withheld]21002125Disturbed roadside with sagebrush and Atriplex; sandy soil. Phenology: flowering & fruiting.RM650240 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5662Laura Welp1995624175U.S.A.WyomingSweetwaterGreat Divide Basin Area: Great Divide Basin: Red Desert Basin, ca 16 air mi NW of Red Desert; ca 9 air mi SE of Chalk Butte.-108.277541.85032003Partially vegetated greasewood flat with clay soil. Phenology: flowering & fruiting.RM650241 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6030Laura Welp199574185U.S.A.WyomingFremontGreat Divide Basin Area: Sweetwater River Drainage: ca 20 air mi SSE of Lander; ca 9 air mi N of Schoettlin Mountain.-108.453642.6775Partly vegetated south facing slope with rocky outcrops. Phenology: fruiting.RMRM626346 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.49958Ronald L. Hartman1994822234U.S.A.WyomingTeton[location and coordinates withheld]1829Along waterway and upslope. Phenology: fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.11587Stuart Markow1998523143U.S.A.WyomingTetonGrand Teton National Park: sagebrush flat on west side of Gros Ventre Campground, ca 2 air mi SW of Kelly; 10.5 air mi N of Jackson.1981Moist depression adjacent to roadside with cottonwoods, conifers and forbs; highly disturbed.RMRM682067 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.195George P. Jones1991621172U.S.A.WyomingNatronaNorth Platte River Valley: South Fork Casper Creek.-106.408942.88781628Sarcobatus vermiculatus stand on mixed alluvium on first terrace above stream floodplains. Phenology: flowering & fruiting.RMRM700129 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.11587Stuart Markow1998523143U.S.A.WyomingTetonGrand Teton National Park: sagebrush flat on west side of Gros Ventre Campground, ca 2 air mi SW of Kelly, 10.5 air mi N of Jackson.-110.795643.61961981Moist depression adjacent to roadside with cottonwoods, conifers and forbs; highly disturbed. Phenology: flowering.RMRM615962 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.17454Walter Fertig199765156U.S.A.WyomingSweetwaterRock Springs Uplift: base of low ridge on north side of Whalen Butte Road, ca 0.6 mi S of the Green River at Cordwood Bottom; ca 2.2 mi E of Whalen Butte.-109.397441.46451920Gravelly southeast-facing slopes of reddish-tan shaley sandstone below low red sandstone cliff; soil dry clay with abundant small gravel chips and flakes on surface; Kochia americana community . Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.67070Ronald L. Hartman Emily Holt2000526147U.S.A.ColoradoEagleCentral Colorado: Sawatch Range, West Slope Continental Divide: Seven Castles, Fryingpan or County Road 104, 4 road mi E of Basalt.-106.963439.387121342195Pinyon pine slopes along power line. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4338Joy Handley2000527148U.S.A.IdahoWashingtonPayette National Forest and Vicinity: Hitt Mountains: area around open pit mine between heads of 4th of July and Dennett creeks, ca 16 air mi NW of Midvale; ca 18 air mi W of Cambridge.-117.04944.563915541737Steep, mostly southwest-facing hillside dominated by Elymus spicatus and Lupinus. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.64340Ronald L. Hartman Joy Handley199964155U.S.A.IdahoWashingtonPayette National Forest and Vicinity: Snake River 2-5 mi N of Blakes Junction.-117.20244.4326091109Rocky volcanics, roadsides, and steep slopes with sagebrush and perennial grasses, and riparian areas. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.64505Ronald L. Hartman Joy Handley199965156U.S.A.IdahoWashingtonPayette National Forest and Vicinity: Raft Creek and Snake River-117.069244.6076401021Very weedy area along river and creek, and on shaly slopes. Phenology: fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1529Nancy Kastning Sunny and Joel Kastning198968159U.S.A.ColoradoEagleSierra Madre/Park Ranges: Park Range: in the vicinity of State Bridge.20732134Pinyon-juniper.RM570688 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1529Nancy Kastning Sunny and Joel Kastning198968159U.S.A.ColoradoEagleSierra Madre\Park Range: Park Range: in the vicinity of State Bridge.-106.63539.882520732134Pinyon-juniper. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.244Nancy Kastning Heather and Joel Kastning1988616168U.S.A.WyomingCarbonSierra Madre/Park Range: Sierra Madre: Battle Creek, ca 8 air mi ENE of Battle Mountain.-107.164341.08421792256Sage flats by creek.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3773Thomas Cramer1994814226U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Hams Fork, ca 1 air mi N of Frontier.-110.52861141.8302781835Riverside meadows, sagebrush, and willows. Phenology: flowering & fruiting.RMRM631247 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4575Thomas Cramer Ronald L. Hartman1994823235U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Twin Creek, ca 3.5 air mi W of Nugget.-110.895641.80781951Creek edges in ten foot deep creek cut through sagebrush surroundings. Phenology: flowering & fruiting.RMRM631246 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4666Thomas Cramer Ronald L. Hartman1994823235U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: ca 2 air mi E of Leefe.-110.992541.80781914Ditchsides and dry reservoir in surrounding sagebrush. Phenology: flowering & fruiting.RMRM631245 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4706Thomas Cramer Ronald L. Hartman1994823235U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Hams Fork, ca 2.5 air mi S of Kemmerer.-110.528641.75312088Riverside meadows, willows, and sagebrush. Phenology: fruiting.RMRM645944 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.34685B. E. Nelson Tom Cramer1995524144U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: along Cokeville-Utah Line or County Road 207 on the west side of Bear River Valley, ca 7.5 air mi S of Cokeville; ca 26.5 air mi NW of Kemmerer.-110.995341.97111917Sagebrush-grassland and roadside. Phenology: flowering & fruiting.RMRM645943 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.34732B. E. Nelson Tom Cramer1995524144U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: just E of Utah off Wyo Hwy 89 ca 5 air mi SW of the intersection of U.S. Hwy 30 and Wyo Hwy 89, ca 21.5 air mi SSW of Cokeville; ca 26 air mi W of Kemmerer.-111.053341.77761905Mosaic of sagebrush and weedy open patches on clay flats. Phenology: flowering & fruiting.RM721015 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1373Kevin J. Taylor1997613164U.S.A.ColoradoGunnisonNorthern Gunnison Basin: along Red Creek, ca 17 air mi W of Gunnison.-107.211638.521525302591Along road along creek. Phenology: fruiting.RM721017 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.548Kevin J. Taylor1997526146U.S.A.ColoradoDeltaNorthern Gunnison Basin: ca 3 air mi NNE of Crawford.-107.582538.748918291981Juniper and aspen shrubland (Atriplex). Phenology: fruiting.RM721016 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.710Kevin J. Taylor1997530150U.S.A.ColoradoGunnisonNorthern Gunnison Basin: ca 3.5 air mi NE of Gunnison.-106.86638.594423782439Sagebrush meadow. Phenology: fruiting.RM721014 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.56307Ronald L. Hartman Kevin J. Taylor1997517137U.S.A.ColoradoDeltaNorthern Gunnison Basin: Jumbo Mountain, ca 4 air mi ENE of Paonia.-107.526638.88118292225Squaw-apple and serviceberry zone and pinyon-juniper slopes above with sandstone and shales. Phenology: fruiting.RM721013 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.56393Ronald L. Hartman Kevin J. Taylor1997517137U.S.A.ColoradoDeltaNorthern Gunnison Basin: ca 4.5-7 air mi E to ESE Hotchkiss.-107.619838.792917072097Rolling hills with sagebrush and saltflats, ridges with some pinyon-juniper. Phenology: fruiting.RM721012 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.56573Ronald L. Hartman Kevin J. Taylor1997520140U.S.A.ColoradoMontrose[location and coordinates withheld]22562317Juniper-topped breaks with mudstone and sandy areas. Phenology: fruiting.RM721011 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.56703Ronald L. Hartman Kevin J. Taylor1997520140U.S.A.ColoradoDeltaNorthern Gunnison Basin: ca 3 air mi S of Hotchkiss.-107.712938.763617371768Breaks in plains. Phenology: fruiting.RM774607 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4782Kevin J. Taylor1998514134U.S.A.ColoradoDeltaNorthern Gunnison Basin: ca 2.5 air mi NW of Crawford.-107.619838.73421798Sagebrush and saltbush hills. Phenology: flowering & fruiting.RM774606 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4854Kevin J. Taylor1998515135U.S.A.ColoradoDeltaNorthern Gunnison Basin: ca 2.5 air mi NNE of Crawford.-107.601138.74891859Sagebrush and saltbush meadow; Juniperus. Phenology: flowering & fruiting.RM774605 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4914Kevin J. Taylor1998515135U.S.A.ColoradoDeltaNorthern Gunnison Basin: ca 4 air mi NW of Crawford.-107.65738.74891661Sagebrush and saltbush meadow. Phenology: flowering & fruiting.RM774604 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5004Kevin J. Taylor1998519139U.S.A.ColoradoMontroseNorthern Gunnison Basin: along north edge of Gould Reservoir, ca 7 air mi SSE of Crawford.-107.584238.61222149Sagebrush, Amelanchier, Symphoricarpos, and Chrysothamnus. Phenology: flowering & fruiting.RM774603 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5117Kevin J. Taylor1998519139U.S.A.ColoradoDeltaNorthern Gunnison Basin: ca 5 air mi SSW of Paonia.-107.50838.80761707Sagebrush and saltbush meadow. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1562Grace M. Kostel200467159U.S.A.NebraskaSiouxOglala National Grassland and Vicinity: ca 22-22.5 air mi NNW of Crawford and 2 mi E of NE Hwy 71 and NE Hwy 2.-103.57583342.99583311121128In alkaline draw and adjacent slopes of clay soils. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2015Grace M. Kostel2004611163U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: ca 12 air mi SSW of Edgemont in drainage 1 mi S of Hay Draw.-103.89416743.135381Clay soil. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2041Grace M. Kostel2004612164U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: ca 17-17.5 air mi SW of Edgemont.-103.97083343.07365381On shale soil and shale banks of drainage cut. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2098Grace M. Kostel2004612164U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: ca 23.5-24 air mi SW of Edgemont at the three state corner of Nebraska, South Dakota and Wyoming in Indian Creek.-104.03583343.989833945In dry creek bottom. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4086Grace M. Kostel2004719201U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: ca 18 air mi SSW of Edgemont.-103.929543.0623331189In alkali draw of silt. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4596Grace M. Kostel20031015288U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: ca 10 air mi WNW of Edgemont.-104.006143.3641945In sand and gravel soils of roadside. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.465Grace M. Kostel B. E. Nelson2004521142U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: S of U.S. Hwy 18, ca 5 air mi WSW of Edgemont.-103.959643.2895990Grassy upland area around draws. Phenology: flowering.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.469Grace M. Kostel B. E. Nelson2004521142U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: S of U.S. Hwy 18, ca 5 air mi WSW of Edgemont.-103.959643.2895990Grassy upland area around draws. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.726Grace M. Kostel2004528149U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: ca 12 air mi WSW of Edgemont on ridge down to dam.-104.04805643.23277811581219Shale bank draw. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5633Grace M. Kostel200567158U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: ca 2-2.5 air mi SW of Edgemont in Cottonwood Creek.-103.85343.27151195Alkali soils of creek drainage. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5664Grace M. Kostel200567158U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: ca 3.5-4 air mi SW of Edgemont in Cottonwood Creek.-103.86918343.256351076Alkali soils of creek drainage. Phenology: fruiting.RMRM649330 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2006Amy J. Roderick1997710191U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: North Platte River, N of Bennett Peak, ca 16.8 air mi SE of Saratoga; ca 11 air mi NE of Encampment.-106.595741.26842207Cottonwood and willow lined area adjacent to river. Phenology: fruiting.RMRM950941 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.81892Ronald L. Hartman2006519139U.S.A.New MexicoTaosCarson National Forest and Vicinity: NM Hwy 570, 2 road mi N of Pilar.-105.786136.28641845Roadside along edge of Rio Grande. Phenology: fruiting.RMRM800853 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.52376B. E. Nelson Luanne Lum200167158U.S.A.WyomingWashakieBighorn Basin: reservoir on North Fork Buffalo Creek just S of Big Cedar Ridge along Blue Bank or BLM Road 1411, ca 11.5 air mi WNW of Big Trails; ca 25 air mi SE of Worland.-107.532243.822214871493Shoreline and below high water line of reservoir. Phenology: fruiting.RMRM800952 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.52411B. E. Nelson Luanne Lum200167158U.S.A.WyomingHot SpringsBighorn Basin: above the head of Buffalo Springs Creek on a tributary of Nowater Creek, ca 3 air mi N of Hawks Butte, ca 18 air mi SW of Big Trails; ca 32 air mi E of Thermopolis.-107.605143.610516151750Steep, clay slopes and ridgetop with scattered vegetation. Phenology: fruiting.RMRM800951 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.52712B. E. Nelson2001612163U.S.A.WyomingWashakieBighorn Basin: along Fifteen Mile or BLM Road 1429, ca 1 air mi W of North Fork Fifteen Mile Creek, ca 14.5 air mi NW of Worland.-108.199344.116713171323Below high water line. Phenology: fruiting.RMRM800850 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.52751B. E. Nelson2001612163U.S.A.WyomingWashakieBighorn Basin: Flume Reservoir on a tributary of Wildcat Gulch, along BLM Road 1406, ca 4 air mi SE of Neiber; ca 9 air mi SSW of Worland.-108.006243.89913231335Clay flats around the reservoir. Phenology: fruiting.RMRM803846 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.93Luanne Lum2001615166U.S.A.WyomingHot SpringsBighorn Basin: along County Road 4, ca 4 air mi NE of Thermopolis, E of the Big Horn River.-108.146143.691613191364Riparian with Populus (cottonwood) and Salix. Phenology: flowering & fruiting.RMRM934344 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1273Luanne Lum2002521141U.S.A.WyomingHot SpringsBighorn Basin: along Black Mountain or Wyo Hwy 172, ca 6.4 air mi E of Lucerne and ca 10.4 air mi NE of Thermopolis.-108.046543.734813391353Sagebrush with sandy soil. Phenology: flowering & fruiting.RMRM934343 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1291Luanne Lum2002521141U.S.A.WyomingHot SpringsBighorn Basin: along Red Hole or BLM Road 1426, ca 7.5 air mi ESE of Lucerne and ca 11.2 air mi NE of Thermopolis.-108.026543.720413681384Sagebrush with sandy soil. Phenology: flowering & fruiting.RMRM803076 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1318Luanne Lum2002521141U.S.A.WyomingHot SpringsBighorn Basin: along Wyo Hwy 172 and BLM Road 1406, ca 8.2 air mi E of Lucerne and ca 12 air mi NE of Thermopolis.-108.046543.734813381353Sagebrush with sandy soil. Phenology: flowering & fruiting.RMRM934342 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1332Luanne Lum2002521141U.S.A.WyomingHot SpringsBighorn Basin: along BLM Road 1406, ca 7.5 air mi ENE of Lucerne and ca 12.7 air mi NE of Thermopolis.-108.066443.763613471365Sagebrush with sandy soil. Phenology: flowering & fruiting.RMRM934341 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1343Luanne Lum2002523143U.S.A.WyomingHot SpringsBighorn Basin: along Red Hole or BLM Road 1426, ca 8.2 air mi ESE of Lucerne and ca 10.1 air mi ENE of Thermopolis.-108.046543.691614051493Sagebrush on shale. Phenology: flowering & fruiting.RMRM934340 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1429Luanne Lum2002523143U.S.A.WyomingHot SpringsBighorn Basin: along BLM Road 1408 south, ca 14.5 air mi ESE of Lucerne and ca 15.5 air mi ENE of Thermopolis.-107.92643.697114491500Sagebrush on sandy soil with cobbles. Phenology: flowering & fruiting.RMRM934339 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1453Luanne Lum2002523143U.S.A.WyomingHot SpringsBighorn Basin: along west side of Kirby Creek and ca 0.5 air mi S of Wyo Hwy 172 and ca 14.8 air mi ESE of Lucerne and ca 17 air mi ENE of Thermopolis.-107.905943.697113961416Sagebrush and greasewood in sandy soil. Phenology: flowering & fruiting.RMRM934338 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1528Luanne Lum2002525145U.S.A.WyomingWashakieBighorn Basin: along BLM Road 1427 W of Sand Creek, ca 9.2 air mi NE of Worland.-107.898344.131613711396Sagebrush and greasewood on mudstone and sandstone. Phenology: flowering & fruiting.RMRM934337 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1716Luanne Lum2002529149U.S.A.WyomingWashakieBighorn Basin: along U.S. Hwy 16, ca 1.9 air mi ESE of Ten Sleep.-107.492744.030614001429Juniper with sagebrush and yucca on sandy soil and shale. Phenology: flowering & fruiting.RMRM934336 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1762Luanne Lum2002529149U.S.A.WyomingWashakieBighorn Basin: along Blue Bank or BLM Road 1411, ca 9.7 air mi WSW of Ten Sleep.-107.634944.016213931426Sagebrush on sandy soil. Phenology: flowering & fruiting.RMRM934335 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1876Luanne Lum2002531151U.S.A.WyomingWashakieBighorn Basin: along BLM Road 1404, ca 9.0 air mi S of Worland and S of East Fork Nowater Creek.-107.918543.898312711310West end near cliff side. Phenology: flowering & fruiting.RMRM934334 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1881Luanne Lum200261152U.S.A.WyomingWashakieBighorn Basin: E of Cottonwood Creek and Wildhorse Hill, ca 7.1 air mi ENE of Ten Sleep.-107.573944.045114291469Sagebrush and juniper on sandy slope. Phenology: flowering & fruiting.RMRM934333 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1925Luanne Lum200261152U.S.A.WyomingWashakieBighorn Basin: along County Road 47 at Red Gulch, ca 8.2 air mi NW of Ten Sleep.-107.533344.117413091353Sagebrush and juniper on sandy slope. Phenology: flowering & fruiting.RMRM934332 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2019Luanne Lum200261152U.S.A.WyomingWashakieBighorn Basin: along BLM Road 1435, ca 4 air mi WSW of Ten Sleep.-107.51344.001714281457Sagebrush on sandy soil. Phenology: flowering & fruiting.RMRM934331 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2050Luanne Lum200264155U.S.A.WyomingHot SpringsBighorn Basin: along BLM Road 1409, south tributary and headwaters of Mud Creek, ca 21.8 air mi ENE of Thermopolis.-107.805743.697114571493Sagebrush on sandy soil of Cody shale. Phenology: fruiting.RMRM934330 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2095Luanne Lum200264155U.S.A.WyomingHot SpringsBighorn Basin: along BLM Road 1409 S of Nowater Creek and W of Scorpion Draw, ca 24.5 air mi ENE of Thermopolis.-107.765643.725914371467Sagebrush on sandy soil of Cody shale. Phenology: flowering & fruiting.RMRM934329 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2170Luanne Lum200261152U.S.A.WyomingWashakieBighorn Basin: along BLM Road 1404 S of Nowater Creek and W of Scorpion Draw, ca 25 air mi ENE of Thermopolis.-107.745543.754814371445Reservoir. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2185Luanne Lum200264155U.S.A.WyomingHot SpringsBighorn Basin: along Black Mountain Road on Lake Creek Divide, ca 22 mi ENE of Thermopolis.-107.785643.668215601585Sagebrush and yucca on shale and sandy soil. Phenology: flowering & fruiting.RMRM934327 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2224Luanne Lum200266157U.S.A.WyomingBig HornBighorn Basin: along BLM Road 1117, ca 3.7 air mi SE of Hyattville.-107.572644.233914451466Juniper and sagebrush on claystone and sandstone. Phenology: flowering & fruiting.RMRM934326 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2524Luanne Lum2002612163U.S.A.WyomingHot SpringsBighorn Basin: along County Road 19, ca 8.5 air mi NNE of Thermopolis at Kirby Creek.-108.146143.73481301Riparian. Phenology: flowering & fruiting.RMRM934325 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2746Luanne Lum2002616167U.S.A.WyomingWashakieBighorn Basin: within Worland ca 0.2 air mi E of Wyoming Street at southern edge of agriculture field on Lower Hanover Canal.-107.938744.0151240Irrigation drainage canal. Phenology: flowering & fruiting.RMRM934324 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2899Luanne Lum2002620171U.S.A.WyomingBig Horn[location and coordinates withheld]12501253Irrigation ditch. Phenology: fruiting.RMRM934323 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3070Luanne Lum2002624175U.S.A.WyomingWashakieBighorn Basin: along Wyo Hwy 434 E of Nowood River, ca 9 air mi SSE of Ten Sleep.-107.3843.91131378Agricultural ditch. Phenology: fruiting.RMRM934322 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3135Luanne Lum2002624175U.S.A.WyomingWashakieBig Horn Mountains: along Wyo Hwy 435, ca 10 air mi ENE of Ten Sleep.-107.279544.098418171865Juniper, pine, and sagebrush on sandy soil with cobbles. Phenology: fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1006Margarette J. Lyon1993515135U.S.A.ColoradoSan MiguelSan Miguel and lower Dolores River Drainages: Naturita Creek.-108.509638.22631707Creek bed and sandstone ledges, grazed and weedy along creek and irrigation ditch, with pinyon and juniper on the ledges. Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1147Margarette J. Lyon1993523143U.S.A.ColoradoMontroseSan Miguel and lower Dolores River Drainages: San Miguel River Drainage: south side of San Miguel River at confluence with Dolores River.-108.805238.38711524Riparian and sandstone ledges below Entrada formation. Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.955Margarette J. Lyon1993515135U.S.A.ColoradoSan MiguelSan Miguel and lower Dolores River Drainages: Dry Creek Basin: State Wildlife Area.-108.599238.04591965Sandy soil with Artemisia tridentata, A. nova and A. frigida. Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2670Margarette J. Lyon199456126U.S.A.UtahGrandSan Miguel and Lower Dolores River Drainages: Dolores River Drainage: Dewey: confluence of Dolores and Colorado Rivers.-109.287138.81931250Slopes along river; red sandy soils with Atriplex and cheat grass. Phenology: fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3244Margarette J. Lyon1994516136U.S.A.ColoradoMontrose[location and coordinates withheld]1585With pinyon, juniper, and snakeweed. Phenology: fruiting.RMUSFS844497 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5050Rob Massatti200664155U.S.A.WyomingFremontEast Slope Wind River Range and Vicinity: 1 mi NW of Weiser Knoll, ca 12 air mi SSE of Lander.-108.641642.703417251914Sagebrush steppe. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.23Melanie Arnett199867158U.S.A.ColoradoMontroseUncompahgre Basin: ca 1/4 air mi S of Dry Cedar Creek and southern-most portion of Kinikin Heights Road.-107.789238.401718971920Adobe hills. Phenology: fruiting.RMRM748527 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4900Melanie Arnett199976187U.S.A.ColoradoGunnisonSouthern Gunnison Basin: County Road 25 at Willow Creek, ca 1 air mi NW of Blue Mesa Airport; ca 6 air mi NW of Gateview.-107.290438.368226212646Riparian and adjacent sagebrush shrubland. Phenology: flowering & fruiting.RM707673 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1329Lynn Marie Moore Marie Rambo and Carlann Defontes199452122U.S.A.ColoradoMontezumaUpper Dolores River Drainage and Adjacent Areas: Four Corners Archery Range, County Fairground turnoff; 3.5 air mi E of Cortez.-108.490637.34921950Sagebrush, pinyon, juniper and rabbitbrush; cryptogamic soil. Phenology: flowering & fruiting.RM707674 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1359Lynn Marie Moore Marie Rambo and Carlann Defontes199452122U.S.A.ColoradoMontezuma[location and coordinates withheld]2000Pinyon, juniper, Artemisia, Ephedra, and antelope brush on cryptogamic soil. Phenology: flowering & fruiting.RM707675 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1605Lynn Marie Moore Jason Judkins1994514134U.S.A.ColoradoMontezuma[location and coordinates withheld]2050West-facing pinyon-juniper slope grading into Artemisia; cryptogamic soil; recently grazed area with Cercocarpus, Rosa, antelope brush, and saltbrush. Phenology: flowering & fruiting.RM707676 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1635Lynn Marie Moore Jason Judkins1994514134U.S.A.ColoradoMontezuma[location and coordinates withheld]2100West-facing pinyon-juniper slope with Artemisia, Paraphyllum, Cercocarpus and Amelanchier on mancos shale. Phenology: flowering & fruiting.RM713319 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5024Lynn Marie Moore199565156U.S.A.ColoradoMontezumaUpper Dolores River Drainage and Adjacent Areas: ca 7.5 air mi W of Mancos, County Road 34, N of U.S. Hwy 160.-108.436137.36372012Pinyon-juniper, Atriplex, Purshia, and Artemesia with selenium odor along a creek; west-facing. Phenology: flowering & fruiting.RM713320 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5043Lynn Marie Moore199566157U.S.A.ColoradoSan Miguel[location and coordinates withheld]1737Artemisia, Atriplex, and Stipa on southeast facing slopes. Phenology: flowering & fruiting.RM713321 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5274Lynn Marie Moore199567158U.S.A.ColoradoMontezumaUpper Dolores River Drainage and Adjacent Areas: ca 2 air mi E of Cortez, NW of Montezuma County Fairgrounds, along McElmo Creek.-108.508837.34921920Pinyon-juniper, Artemisia, and rabbitbrush along creek with selenium odor; south-facing slopes. Phenology: fruiting.RM713322 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6015Lynn Marie Moore1995622173U.S.A.ColoradoSan MiguelUpper Dolores River Drainage and Adjacent Areas: ca 11 air mi N of Dove Creek in Dolores River Canyon, County Road 10.00.-108.819237.90091829Pinyon-juniper, ponderosa, Rhus, poison ivy, Salix, and boxelder on east facing canyon slopes. Phenology: fruiting.RM713323 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6214Lynn Marie Moore1995629180U.S.A.ColoradoMontezumaUpper Dolores River Drainage and Adjacent Areas: State Wildlife Area: ca 9.5 air mi NW of Cortez at Narraguinnep Reservoir, intersection of County Road 23 and Colo. Hwy 194.-108.640137.493720362042Pinyon-juniper, cottonwood, sagebrush, and rabbitbrush on west facing mancos shale soils. Phenology: fruiting.RM713324 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7046Lynn Marie Moore Sierra Smith1995714195U.S.A.ColoradoDoloresUpper Dolores River Drainage and Adjacent Areas: County Road D.00, ca 27 air mi N of Dolores in Alkalai Wash N of Disappointment Creek.-108.452637.871922562280Pinyon-juniper, snow berry, greasewood, rabbit brush, Artemesia, oak, and service berry on south facing slopes. Phenology: fruiting.RM713318 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.50799Ronald L. Hartman1995526146U.S.A.ColoradoMontezumaUpper Dolores River Drainage and Adjacent Areas: ca 5 air mi WSW of center of Cortez.-108.672437.320117981890Pinyon-juniper woodland with sandstone caprock, some shale on slopes, and roadside. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1139Rachel Newton2005626177U.S.A.WyomingCarbonWetlands and Adjacent Areas: Treasure Island and along North Platte River, ca 9 air mi SE of Saratoga.-106.727541.33152110Moist banks and flood plains. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1178Rachel Newton2005626177U.S.A.WyomingCarbonWetlands and Adjacent Areas: Saratoga Lake, ca 1.5 air mi NE of Saratoga.-106.790741.46862064Sandy, dry uplands with Artemisia. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1393Rachel Newton200575186U.S.A.WyomingSweetwaterWetlands and Adjacent Areas: Big Sandy River, ca 37 air mi NW of Rock Springs.-109.70841.9531870Dry sandy uplands. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1612Rachel Newton200577188U.S.A.WyomingSweetwaterWetlands and Adjacent Areas: Sage Creek, ca 15 air mi S of Green River.-109.451341.28351862Dry sagebrush uplands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1784Rachel Newton2005710191U.S.A.WyomingCarbonWetlands and Adjacent Areas: North Platte River, ca 12 air mi NE of Rawlins.-107.066241.88251946Moist banks and flood plains. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3930Rachel Newton200661152U.S.A.WyomingJohnsonWetlands and Adjacent Areas: North Fork Crazy Woman Creek, ca 14 mi S of Buffalo.-106.6666944.083341382Dry Sarcobatus/Artemisia scrub uplands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3961Rachel Newton200661152U.S.A.WyomingJohnsonWetlands and Adjacent Areas: North Fork Powder River, ca 4 air mi NW of Kaycee.-106.7079844.772651503Dry Artemisia scrub uplands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4049Rachel Newton200663154U.S.A.WyomingJohnsonWetlands and Adjacent Areas: Meadow Creek, ca 0.5 mi S of Linch; ca 24 air mi ESE of Kaycee.-106.1997943.60281490Alongside creek in heavily grazed cow pasture. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4081Rachel Newton200663154U.S.A.WyomingNatronaWetlands and Adjacent Areas: tributary to Horse Ranch Creek, ca 17 air mi SSW of Midwest.-106.3366943.169561632Dry uplands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4095Rachel Newton200663154U.S.A.WyomingNatronaWetlands and Adjacent Areas: Lane Creek, ca 10 air mi W of Midwest.-106.464443.41591539Dry Artemisia scrub uplands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4102Rachel Newton200663154U.S.A.WyomingNatronaWetlands and Adjacent Areas: Dead Horse Creek, ca 14 air mi W of Midwest.-106.5189143.352791596Along dry creek bed and uplands Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4134Rachel Newton200663154U.S.A.WyomingNatronaWetlands and Adjacent Areas: Camel Hump Reservoir, ca 16 mi WSW of Midwest.-106.5489743.317931638Along dry, disturbed uplands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4213Rachel Newton200665156U.S.A.WyomingJohnsonWetlands and Adjacent Areas: Middle Fork Powder River, ca 6 air mi SW of Kaycee.-106.7577443.661541481Irrigation ditch in dry Artemisia and Bromus uplands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4225Rachel Newton200665156U.S.A.WyomingNatronaWetlands and Adjacent Areas: dried up lake, ca 16 air mi WSW of Midwest.-106.5642743.338661604Dried lake bottom and surrounding uplands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4356Rachel Newton200667158U.S.A.WyomingCampbellWetlands and Adjacent Areas: School Creek, ca 17 air mi E of Wright.-105.1814643.655341388Parched Sarcobatus-covered uplands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4414Rachel Newton200667158U.S.A.WyomingWestonWetlands and Adjacent Areas: Pine Creek, ca 5 air mi SE of Upton.-104.5421344.031881270Dry uplands. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4651Rachel Newton2006611162U.S.A.WyomingSheridanWetlands and Adjacent Areas: Powder River, ca 6 air mi N of Arvada, 43 air mi E of Sheridan.-106.0890444.763551112Dry weed-choked uplands and flood plains. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4704Rachel Newton2006611162U.S.A.WyomingCampbellWetlands and Adjacent Areas: LZ Bar Creek, ca 16 air mi NE of Arvada; 54 air mi due E of Sheridan.-105.8926844.833821145Dry flood plains. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5020Rachel Newton2006617168U.S.A.WyomingJohnson[location and coordinates withheld]1337Dry sandy uplands in praire dog town. Phenology: fruiting.RMRM240039 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.s.n.George L. Fisher1920626178U.S.A.OregonCurrySiskiyou.-123.938742.06231250Phenology: flowering & fruiting.RMUSFS461360 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.21568?1915520140U.S.A.OregonWallowaWallowa National Forest.-116.939545.1166Phenology: flowering & fruiting.RMRM66099 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.8A. J. Boone19105121U.S.A.IdahoCanyonCaldwell.-116.687443.6629Phenology: flowering & fruiting.RMRM232115 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2072A. R. Kruckeberg195073184U.S.A.OregonDeschutes8 mi SE of junction of Oregon Hwy. 20 and 28 on Oregon Hwy. 20.-121.46344.2334Along roadside in juniper-sagebrush community. Phenology: flowering & fruiting.RMUSFS461354 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.ABE-161Anthony B. Evanko1952528149U.S.A.WashingtonLincolnPrivate, I.E.R.C.: NRM: Harrington Nursery.-118.279447.487670Scarce on level in Hesseltine loam (3' sandy loam) with cheatgrass, sandberg bluegrass, needlegrass, and big sagebrush. Phenology: flowering & fruiting.RMRM240348 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6895Arthur Cronquist1953426116U.S.A.OregonWheelerIn campground at Painted Hills State Park, 10 mi NW of Mitchell.-120.254644.658609Phenology: flowering & fruiting.RMUSFS461355 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.CH-1C. E. Holscher1938518138U.S.A.MontanaCusterNorthern Rocky Mountains, off forests: Lone Pine corral near Miles City.-105.840646.4083701In gumbo of waste places. Phenology: flowering & fruiting.RMRM144291 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2497C. Leo Hitchcock Ernest Samuels1935515135U.S.A.IdahoNez PerceVacant lot--Main Street, Lewiston.-117.017746.4166Phenology: flowering & fruiting.RMRM256743 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.21004C. Leo Hitchcock C. V. Muhlick1957527147U.S.A.OregonMalheurOn E side of Snake River, 8 mi SE of Huntington.-117.517144.2463Sandy sagebrush-Purshia covered hills. Dominant on the right-of-way and into the unplowed area. Phenology: flowering & fruiting.RMUSFS461363 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3397Charles Feddema196679190U.S.A.OregonUnionNear Grande Ronde River, approximately 7 mi W of La Grande along route 244, approximately 1 mi S of route 80 N.-118.243644.9776914Common on weedy roadside slopes near river in sun and gravelly soil. Phenology: flowering & fruiting.RMRM191503 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.17Dan Claypool193859129U.S.A.MontanaMissoulaGrass Nursery, Missoula.-113.99446.8721Phenology: flowering & fruiting.RMRM183575 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.17Don Claypool193859129U.S.A.MontanaMissoulaGrass Nursery, Missoula.-113.99446.8721Phenology: flowering & fruiting.RMRM81664 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.82Dorman Bennett1912524145U.S.A.IdahoTwin FallsTwin Falls.-114.460942.563Waste places. Phenology: flowering & fruiting.RMRM356806 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3086Dorothy Naas Ralph Naas1975716197U.S.A.OregonUnionStarkey National Forest and Range Experiment Forest: Starkey Headquarters, 3 3/4 mi NNW.-118.539445.27531189Scarce on open roadside with Polygonum aviculare. Phenology: flowering & fruiting.RMUSFS461361 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.B-413Douglas C. Ingram1916530151U.S.A.OregonCrookOchoco National Forest: Prineville.-120.834544.2998878Common in rich sandy bottom loam, somewhat alkaline. Phenology: flowering & fruiting.RMRM128480 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1780E. E. Stanford19306152U.S.A.OregonJacksonNear Medford.-122.875642.3265Phenology: flowering & fruiting.RMUSFS461362 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.771Frank B. Lenzie192077189U.S.A.OregonDeshutesDeschutes National Forest: edge of Deschutes River, near Bend.-121.317644.04131105Grows with Carex, Silene, Lepidium, and Festuca idahoensis. Phenology: flowering & fruiting.RMRM240039 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.s.n.George L. Fisher1920626178U.S.A.OregonCurrySiskiyou.-123.938742.06231250Phenology: flowering & fruiting.RMRM191504 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.34H. Leithead1938525145U.S.A.MontanaMissoulaAlong the sidewalk of the Forestry School Nursery, University of Montana, Missoula.-113.983746.8602Along the sidewalk. Phenology: flowering & fruiting.RMRM303637 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4810N. Duane Atwood1973512132U.S.A.ArizonaCoconinoCa 1 mi E of Fredonia saw mill along the logging road.-112.526236.95061432With pinyon and juniper. Phenology: flowering & fruiting.RMRM274792 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.61213John Weiler A. P. Nelson1961526146U.S.A.OregonLake1 mi W of Lakeview.-120.367342.1867In a deep roadside ditch in a dried pool with Myosurus minimus. Phenology: flowering & fruiting.RMUSFS461352 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.247Kenneth C. Pearse M. W. March19386152U.S.A.IdahoNez PerceClearwater National Forest: vacant lot.-116.421246.5018213On level in sandy loam. Phenology: flowering & fruiting.RMUSFS461353 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.125L. E. Horton1971520140U.S.A.IdahoIdahoNez Perce National Forest (BLM land): Salmon River 12 mi downriver from Whitebird and 2 mi E of confluence of Rock Creek.-116.280445.6124396Phenology: flowering & fruiting.RMRM210531 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.s.n.H. Metcalf194866158U.S.A.MontanaRavalli2.5 mi NE of Corvallis.-114.113446.3494In cultivated fields. Phenology: flowering & fruiting.RMRM314801 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6121R. Foster1978512132U.S.A.IdahoOneida2.5 mi W of Halbrook.-111.297642.36661524On south slope in rocky loam of a juniper community. Phenology: flowering & fruiting.RMRM620510 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1278Ralph R. Wilson1950522142U.S.A.IdahoBannockCity of Pocatello 632 S. Tenth Street.-112.445542.8713Flat, openly exposed back yard of a residence. Phenology: flowering & fruiting.RMRM143673 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.s.n.Ray J. Davis1932514135U.S.A.IdahoBannockPocatello.-112.445542.8713Phenology: flowering & fruiting.RMUSFS461364 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.R-250Ray Ward193251122U.S.A.WashingtonGrantTown of Coulee.-119.286447.6037609Patchy on level in dry, hard, shallow, soil of hard, dry ground. Phenology: flowering & fruiting.RMUSFS461347 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.22Robert B. Ferguson195951121U.S.A.IdahoElmore14 mi S of Boise, along U.S. Hwy 30.-116.065743.4513Area burned in 1957. Phenology: flowering & fruiting.RMRM355176 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5719Robert W. Lichvar1983516136U.S.A.MontanaBig HornAfterbay Campground.-107.938445.3106975Distrubed slopes and deciduous wooded areas. Phenology: flowering & fruiting.RMRM103251 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.374Roxana S. Ferris Rena Duthie1919620171U.S.A.OregonLakeSummer Lake.-120.746742.8249Dry alkaline flat. Phenology: flowering & fruiting.RMRM178804 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.16S. Seidensticker1938516136U.S.A.MontanaMissoulaForestry School Nursery, Missoula.-113.99446.8721Phenology: flowering & fruiting.RMRM183805 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.16S. Seidensticker1938516136U.S.A.MontanaMissoulaForestry School Nursery, Missoula.-113.99446.8721Phenology: flowering & fruiting.RMRM252683 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.56630W. E. Booth1956724206U.S.A.MontanaSandersHot Springs.-114.668747.6091Open grassland, moist low spots and dry knolls. Phenology: flowering & fruiting.RMRM261772 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.s.n.W. E. Booth1959525145U.S.A.MontanaValleyGlasgow, about 12 mi E.-106.384448.1962Along road. Phenology: flowering & fruiting.RMRM261792 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.s.n.W. E. Booth1959525145U.S.A.MontanaValleyGlasgow, about 12 mi E.-106.384448.1962Along road. Phenology: flowering & fruiting.RMRM194931 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3191C. L. Porter194368159U.S.A.WyomingAlbanyLaramie.-105.585841.31062134Weed in vacant lots. Phenology: flowering & fruiting.RMRM268101 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.9059C. L. Porter Marjorie W. Porter1962626177U.S.A.WyomingSweetwaterOn the plains near Eden.-109.444342.09732012Common roadside weed. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1910Robin Jones1991710191U.S.A.WyomingHot SpringsOwl Creek/Bridger Mountains: dipslope, ca 6 air mi NW of Hamilton Dome; ca 26 air mi WNW of Thermopolis.-108.702543.79517071888Southwest-facing sandstone dipslope.RMRM764954 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.842C. A. Popolizio N. E. Hastings, R. M. Smith, D. Hazlett1996616168U.S.A.WyomingPlatteCamp Guernsey: south side of North Platte River, ca 2.2 km N of Cottonwood Creek and ca 2 km S of Impact Area.-104.882342.3421340Infrequent on riverine with gentle to steep slope of gravelly to stony loam in a disturbed stock pen with Acer negundo, Prunus virginiana, Symphoricarpos occidentalis, Ribes, and Poa ssp. Phenology: fruiting.RMRM204579 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.69Charles L. Turner.1946429119U.S.A.WyomingConverseBill.-105.260343.2319Dry barren clay loam soil. Phenology: flowering.RMRM103664 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4299Edwin B. Payson Lois B. Payson192571182U.S.A.WyomingAlbanyLaramie.-105.589341.305Vacant lots. Phenology: flowering & fruiting.RMRM83539 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.s.n.Volney Rattan19127183U.S.A.ArizonaCoconinoGrand Canyon: Grand View Point.Phenology: flowering & fruiting.RMRM577580 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.16817Erwin F. Evert1989615166U.S.A.WyomingParkAbsaroka Mountains: North Fork Shoshone River Drainage: along the river immediately W of Horse Creek Picnicground, just N of U.S. Hwy 14, 16, and 20.-109.583744.46181792Weedy riparian community with Bromus inermis, Alyssum desertorum and a few Populus angustifolia. Phenology: flowering & fruiting.RMRM577853 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.16992Erwin F. Evert1989620171U.S.A.WyomingParkAbsaroka Mountains: North Fork Shoshone River Drainage: Sam Berry Meadow on east side of North Fork Shoshone River, ca 3 mi N of U.S. Hwy 14, 16, and 20.-109.98244.55852103Open rocky slope in recently burned (1988) open lodgepole forest. Phenology: flowering & fruiting.RMRM357140 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3907Erwin F. Evert1982617168U.S.A.WyomingParkAbsaroka Mountains: North Fork Shoshone River Drainage: Wyoming Game and Fish public access site on south side of river, ca 0.5 mi E of Big Creek confluence.-109.482444.47631737Sagebrush-grassland with Ribes cereum, Oryzopsis hymenoides, and Penstemon arenicola. Phenology: flowering & fruiting.RMRM342090 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.s.n.Helen L. Cannon Maude C. Wiegand1946622173U.S.A.WyomingFremontAtlantic City.-108.730542.49672347Roadside in gravel. Phenology: flowering & fruiting.RMRM532555 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.598Herb L. Karcher1988612164U.S.A.WyomingCampbellCa 0.5 mi SW of Wright.-105.495443.7434Common in open disturbed area around 4-H livestock compound. Phenology: flowering & fruiting.RMRM261439 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1Herbert G. Fisser1959627178U.S.A.WyomingHot SpringsKirby Creek bottoms, 15 mi NE of Thermopolis.-108.15743.74411310Clayey soil, greasewood flats. Phenology: fruiting.RMRM274265 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.309James T. Nichols196259129U.S.A.WyomingWashakieW of Worland, on the lower part of the Fifteenmile drainage area.-107.955444.016912501310Along drainage with greaswood. Phenology: flowering & fruiting.RMRM214794 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2754John F. Reed Mildred S. Reed194991244U.S.A.WyomingTetonJackson Hole Wildlife Park: Snake River.-110.577743.85712057Steep river bank. Phenology: fruiting.RMRM260430 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.28V. June Wetherell195968159U.S.A.WyomingFremontCa 24 mi SE of Lander.-108.751142.4739Roadside. Phenology: flowering & fruiting.RMRM211294 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.63Lowell E. Larsen194763154U.S.A.WyomingSweetwaterRock Springs.-109.202941.85751890Roadside, vacant lots. Phenology: flowering & fruiting.RMRM319045 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1765Linda M. Barker1978522142U.S.A.WyomingBig Horn-107.93444.62961634Creekbed. Phenology: flowering & fruiting.RMRM323574 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.357Mary Alice Sanguinetti Keith H. Dueholm1978712193U.S.A.WyomingCampbell-105.946944.62921158Grassy plains. Phenology: fruiting.RMRM530629 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.495Orval C. Harrison198775186U.S.A.WyomingLincolnThomas Fork Canyon 1 mi W of Giraffe Creek, ca 22.5 air mi SSW of Afton, ca 22 air mi N of Cokeville.-111.023142.4021920Growing in exposed soil adjacent to highway with Berteroa incana, Lappula redowskii, Atermisia tridentata, and Carduus nutans. Phenology: flowering & fruiting.RMRM730832 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.137Patricia P. Douglas N. E. Hastings199775186U.S.A.WyomingSheridanSheridan Training Area: stock pond and drainage, 2.2 km NE of Peak 4290, 0.7 km SW of Peak 4244.1244Common in palustrine with level to 20 deg clay (mud), soil series Shingle Haverdad association, with Carex nebrascensis, Potamogeton foliosus, P. pusillus, and Eleocharis sp. Phenology: fruiting.RMRM730778 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.192Patricia P. Douglas N. E. Hastings199776187U.S.A.WyomingSheridanSheridan Training Area: stock pond and surrounding banks, 2.8 km SE of Peak 4244, 1.9 km E of Peak 4266.1240Infrequent on level palustrine in sandy clay loam (mud), soil series Parmleed-Bidman association, with Salix amygdaloides, Ranunculus aquatilis, Hordeum x caespitosum, Populus, and Carex spp. Phenology: flowering.RMRM730777 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.35Patricia P. Douglas N. E. Hastings199773184U.S.A.WyomingSheridanSheridan Training Area: banks of South Dry Creek, 2.2 km N of Peak 4290, 2.4 km NE of Peak 4236.1200Local on level floodplain in clay loam, soil series Bidman, moist-Ulm loams, with Alyssum alyssoides, Achillia millefolium, Logfia arvensis, Apera interrupta, and Bromus tectorum. Phenology: fruiting.RMRM730830 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.644bPatricia P. Douglas N. E. Hastings1999513133U.S.A.WyomingSheridanSheridan Training Area: ca 2.25 km W of Peak 4244, 1.2 km NW of Peak 4355.1212Artemisia grassland on 30 deg east-facing slope in sandy clay loam to sandy loam, soil series Parmleed-Worfka association, with Artemisia tridentata, Geum triflorum, Senecio integerrimus, Cerastium arvense, and Dodecatheon sp. Phenology: flowering & fruiting.RMRM730831 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.647Patricia P. Douglas N. E. Hastings1999513133U.S.A.WyomingSheridanSheridan Training Area: ca 2.2 km W of Peak 4244, 1.2 km NW of Peak 4355.1212Locally common in northeast flowing drainage and surrounding to 20 deg slopes in Artemisia grassland in sandy loam, soil series Worfka-Shingle-Samday complex, with Artemisia tridentata, A. cana, Rosa woodsii, Besseya wyomingensis, and Koeleria macrantha. Phenology: flowering & fruiting.RMRM292377 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.37Peter W. Dunwiddie197366157U.S.A.WyomingSublettePinedale.-109.86142.86662164Occasional in gravel. Phenology: flowering & fruiting.RMRM330547 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.37R. R. Irish D. C. Hubbard1978725206U.S.A.WyomingUintaSouth Haystack Coal Site.-110.664741.405220482115Saline upland with Sarcobatus vermiculatus and Atriplex nuttallii. Phenology: fruiting.RMRM649331 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3205Amy J. Roderick199784216U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Saratoga Lake E of Wyo Hwy 130, ca 1.2 air mi ENE of Saratoga; ca 18 air mi N of Encampment.-106.793441.47582065Wetlands and disturbed gravelly area surrounding lake. Phenology: fruiting.RMRM734156 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.10059Richard W. Scott1996618170U.S.A.WyomingFremontMargins of small reservoir in Corral Draw.1771Margins of reservoir. Phenology: flowering & fruiting.RMRM279941 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.411Richard W. Scott196568159U.S.A.WyomingFremontPopo Agie River, S of Lander.-108.741542.81641646River banks. Phenology: flowering & fruiting.RMRM396805 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4561Robert D. Dorn1987523143U.S.A.WyomingGoshenFort Laramie.-104.562942.20491310Disturbed area with Descurainia and Bromus. Phenology: flowering.RMRM193656 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.19Robert E. Pfadt194363154U.S.A.WyomingConverseDouglas; State Fair Grounds.-105.382242.7597Phenology: flowering & fruiting.RMRM398621 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7329Walter H. Lewis196982214U.S.A.WyomingUintaEvanston, Bear River.-110.963241.2683River edge. Phenology: fruiting.RMRM759179 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.67204Ronald L. Hartman200066158U.S.A.ColoradoJacksonNorth-central Colorado: North Park: Colo Hwy 14, ca 14 air mi SW of Walden.-106.472140.57552500Roadside and inundated ditches. Phenology: flowering & fruiting.RMRM649329 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.356Amy J. Roderick199763154U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Saint Marys Ridge, 3.2 air mi W of U.S. Hwy 287 on dirt road, ca 5 road mi from Walcott Junction.-106.876541.79122059Cushion community on calcareous benches with scattered shrubs and a greasewood/sagebrush bottom. Phenology: fruiting.RMRM827317 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.712David Scott Geneva Chong2006619170U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Jackson Hole: near Gros Ventre Junction, ca 4 air mi S of Moose; ca 9 air mi NNE of Jackson.-110.700943.59842000Area burned in 2003 wildfire. Phenology: fruiting.RMRM827316 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.82673Ronald L. Hartman2006625176U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Jackson Hole: U.S. Hwy 26/89/191, S of Gros Ventre River.-110.732543.56611951Bottom land with Populus angustifolia. Phenology: flowering & fruiting.RM647492 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1139Neil Snow1987713194U.S.A.WyomingTetonSouthwestern Absarokas: Teton Wilderness: along Two Ocean Trail, N from Turpin Meadow Trailhead.-110.243343.866321952317Lodgepole pine and open sagebrush communities.RMRM647493 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2518Neil Snow1988623175U.S.A.WyomingParkSouthwestern Absarokas: vicinity of South Fork Ranger Station, ca 45 air mi SW of Cody.-109.596444.15811981Mixed Artemisia-Salix and along small stream.RMRM649802 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3950Amy J. Roderick1998525145U.S.A.WyomingNatronaUpper North Platte and Laramie River Drainages: Poison Spider bentonite pit W of County Road 202, ca 12 air mi W of Casper.-106.568642.84381707Dry gullies between shale slopes. Phenology: flowering & fruiting.RMRM337484 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.8Andrew Warren1981423113U.S.A.ColoradoMoffatMcPherson Springs Quad.; ca. 38.5 air mi NNW of Craig, just S of WY state line.1981Growing in sandy soil of shadscale, western wheat, big sagebrush habitat, with Alyssum desertorum. Phenology: flowering.RMUSFS461348 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.105Ben F. Rice1939519139U.S.A.ColoradoEagleEagle: Holy Cross Forest.1829Open disturbed areas; level slope; clay soil. Phenology: flowering & fruiting.RMRM188358 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2839C. L. Porter1941510130U.S.A.ColoradoMesaCa 10 mi N of DeBeque.Phenology: flowering & fruiting.RMRM358487 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.13817Dieter H. Wilken1982524144U.S.A.ColoradoMoffatAlong County Road 21, ca 5 mi N of junction with Colo Hwy 318, on top of bluffs above Little Snake River.1800On top of bluffs. Phenology: flowering.RMRM146541 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2065Earl F. Castetter193263155U.S.A.New MexicoRio ArribaDulce.-106.8445936.87422439Waste field. Phenology: flowering & fruiting.RMRM168680 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7656Ellsworth Bethel1917622173U.S.A.ColoradoLa PlataDurango.Phenology: flowering & fruiting.RMUSFS461350 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.23517Frederick J. Hermann197152122U.S.A.ColoradoLarimerFort Collins: 5.5 mi SE of Northern Colorado Nature Center.Rocky soil in clearing. Phenology: flowering.RMRM106790 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6672George E. Osterhout192659129U.S.A.ColoradoWeldWindsor.Phenology: flowering & fruiting.RMRM168679 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6672George E. Osterhout192666157U.S.A.ColoradoWeldWindsor.Phenology: fruiting.RMRM580318 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2096JoAnn W. Flock1989620171U.S.A.ColoradoRio BlancoMeeker.-107.91194440.0338891951Roadside Phenology: flowering & fruiting.RMUSFS461349 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.798Paul L. Ginter1943513133U.S.A.ColoradoMesaNear Grand Mesa National Forest: around mine at Cameo.1448Park; eroded soil; sandy loam soil. Phenology: flowering & fruiting.RMRM742797 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4165Ron Kass1995426116U.S.A.ColoradoRio BlancoCa. 50 mi E of Rangley.1890Juniper woodland; Mesa-Verde Sandstone. Phenology: flowering & fruiting.RMUSFS461351 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.s.n.V. H. Reid G. L. Ranck1973522142U.S.A.ColoradoMesaE. Basin; Badger Wash Experimental Area.1524Salt desert-shrub. May 22-26. Phenology: flowering & fruiting.RMRM649803 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4237Amy J. Roderick1998530150U.S.A.WyomingNatronaUpper North Platte and Laramie River Drainages: North Platte River at Bessemer Bend, ca 11.6 air mi SW from Casper.-106.531142.77341585Disturbed edges of river; saline conditions. Phenology: flowering & fruiting.RMRM82168 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.s.n.W. W. Robbins1915531151U.S.A.ColoradoDeltaAustin.Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.33469Ronald L. Hartman1992627179U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Commissary Ridge: ca 0.5 air mi SE of Kemmerer Reservoir along powerlines E of paved road; ca 12 air mi NW of Kemmerer.-110.63638941.93194421792256Rolling sagebrush-grasslands, southwest exposure with some aspen on northeast side of gravelly ridge, also along roadside. Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.37560Ronald L. Hartman1993523143U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Hams Fork Plateau: ca 5 air mi WNW of Kemmerer.-110.60555641.83027821402301Sandstone outcrops and sandy slopes with sagebrush on slopes, cushion plants on ridges. Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3773Thomas Cramer1994814226U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Hams Fork River, ca 1 air mi N of Frontier.-110.52861141.8302781835Riverside meadows, sagebrush, and willows. Phenology: flowering & fruiting.RMRM303637 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4810N. Duane Atwood1973512132U.S.A.ArizonaCoconinoCa 1 mi E of Fredonia saw mill along the logging road.With pinyon and juniper. Phenology: flowering & fruiting.RMRM649804 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4447Amy J. Roderick199866157U.S.A.WyomingNatronaUpper North Platte and Laramie River Drainages: E of County Road 407, ca 3 air mi SE of Alcova.-106.708142.54031676Creek banks bordered by greasewood and rose thickets; disturbed. Phenology: flowering & fruiting.RM618388 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.18573B. E. Nelson1990618169U.S.A.ColoradoRouttFlat Tops/White River Plateau: off Sage Creek Canyon opposite Hillbilly Mountain, ca 6.5 air mi S of Hayden; ca 22 air mi WSW of Steamboat Springs.-107.232740.40672317Disturbed areas. Phenology: flowering & fruiting.RM618387 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.18720B. E. Nelson1990619170U.S.A.ColoradoMoffatFlat Tops/White River Plateau: Williams Fork Mountains: KNEZ divide between Jeffway and Deacon gulches, ca 7 air mi SSE of Craig.-107.497540.4212286Disturbed area in sagebrush-grassland. Phenology: flowering & fruiting.RM618389 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.111James P. Vanderhorst Walter Fertig1990528148U.S.A.ColoradoGarfieldFlat Tops/White River Plateau: south side of Grand Hogback: ca 6 air mi NNE of Rifle.-107.738539.61520732225Sandy ravines and slopes with Juniperus, Pinus edulis, Ephedra. Old mined area. Phenology: flowering & fruiting.RM618384 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2150James P. Vanderhorst1991524144U.S.A.ColoradoGarfield[location and coordinates withheld]1737Weedy roadside, with big sagebrush. Phenology: flowering & fruiting.RM618383 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2187James P. Vanderhorst1991525145U.S.A.ColoradoGarfieldFlat Tops/White River Plateau: Grand Hogback: Beanes gravesite, ca 10 air mi NW of Rifle.-107.88939.65872012West-sloping sandy clay at base of steep draw, gambel oak-big sagebrush ecotone, spring. Phenology: flowering & fruiting.RMRM651689 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5428B. A. Packer T. McGowan and J. Brondum1998815227U.S.A.WyomingNatronaLaramie Range: off of Wyo Hwy 487, along Big Red Creek on County Road 505; ca 30 air mi SE of Capser .-106.452542.656917071798Sarcobatus-Chrysothamnus scrubland. Phenology: fruiting.RM618386 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.24856Ronald L. Hartman1990527147U.S.A.ColoradoEagleFlat Tops/White River Plateau: Coffee Pot Spring-Heart Lake Road, ca 15 air mi W of Eagle.-107.098839.673223782408Sagebrush openings, oak-serviceberry shrubland, and disturbed sites; disturbed sites. Phenology: flowering & fruiting.RM618385 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.25768Ronald L. Hartman1990623174U.S.A.ColoradoGarfieldFlat Tops/White River Plateau: Rifle Gap Reservoir, east end along East Rifle Creek, ca 7.5 air mi NNE of Rifle.-107.738539.62961829Area exposed by receding shoreline and adjacent sagebrush flats. Phenology: fruiting.RM648596 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.37862B. E. Nelson Beth Ward199665157U.S.A.WyomingCarbonSouth-central Wyoming: on ridge between Muddy, Cow, and Wild Cow creeks and Wild Cow or County Road 608, ca 40 air mi SW of Rawlins; ca 19.5 air mi N of Baggs.-107.659741.286919832051Clay flats and slight slopes. Phenology: flowering & fruiting.RM648595 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.39052B. E. Nelson1996718200U.S.A.WyomingSweetwater[location and coordinates withheld]21342140Roadside. Phenology: fruiting.RM648606 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.134Beth Ward199668160U.S.A.WyomingSweetwaterSouth-central Wyoming: confluence of Vermillion Creek with Alkali Creek, ca 47.5 air mi SE of Rock Springs.-108.629341.02620242054Creek terrace. Phenology: flowering & fruiting.RM648605 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1702Beth Ward1996628180U.S.A.WyomingSweetwaterSouth-central Wyoming: Washakie Basin: Grindstone Wash drainage and base of Prehistoric Rim along its northeastern face, ca 25 air mi WNW of Baggs.-108.11641.141919541978Clay/sandy soil. Phenology: fruiting.RM648604 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1746Beth Ward1996628180U.S.A.WyomingSweetwaterSouth-central Wyoming: Washakie Basin: southeast side of butte overlooking Sand Creek, ca 2 air mi W of McPherson Springs; ca 17.5 air mi WNW of Baggs.-107.982941.08419872081Sandy/gumbo slopes. Phenology: fruiting.RMRM648601 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1909Beth Ward199674186U.S.A.WyomingSweetwaterSouth-central Wyoming: Green River Basin: adjacent to and mainly S of the confluence of Middle Marsh Creek and Flaming Gorge Reservoir, ca 36 air mi SSW of Rock Springs.-109.512641.092818321868Adjacent to creek. Phenology: fruiting.RM648600 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2134Beth Ward199675187U.S.A.WyomingSweetwaterSouth-central Wyoming: Washakie Basin: from Cooper Ridge to Salt Wells Creek E of the confluence of Pretty Water and Salt Wells creeks, ca 21 air mi SSE of Rock Springs.-108.919941.352520442097Flat below rim. Phenology: flowering & fruiting.RM648599 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3513Beth Ward199682215U.S.A.WyomingCarbon[location and coordinates withheld]18531855Wooded river floodplain. Phenology: fruiting.RM648598 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3609Beth Ward199682215U.S.A.WyomingSweetwaterSouth-central Wyoming: Washakie Basin: spring area ca 1 air mi W of Sand Creek, ca 1.5 air mi S of Cedar Breaks Draw; ca 15 air mi WNW of Baggs.-107.944841.08419081920Spring area. Phenology: fruiting.RMRM648597 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3657Beth Ward199682215U.S.A.WyomingSweetwaterSouth-central Wyoming: Washakie Basin: Rotten Springs and adjacent area, ca 2.5 air mi N of Powder Rim; ca 1 air mi S of Reader Cabin Draw; ca 20.5 air mi WNW of Baggs.-108.058941.098420332048Spring area. Phenology: fruiting.RMRM648993 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4231Beth Ward1997527147U.S.A.WyomingSweetwaterSouth-Central Wyoming: Green River Basin: low ridges on drainage from Richards Mountain, ca 3 air mi E of Minnies Gap; ca 39 air mi SSW of Rock Springs.-109.378841.006319932027Disturbed roadside. Phenology: flowering & fruiting.RMRM648994 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4310Beth Ward1997530150U.S.A.WyomingSweetwaterSouth-Central Wyoming: Green River Basin: badlands draws and hills, ca 2 air mi S of Big Bend of the Big Sandy River; ca 16 mi SSW of Farson.-109.602341.897119711992Disturbed area. Phenology: flowering.RMRM648995 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4361Beth Ward1997530150U.S.A.WyomingSweetwaterSouth-Central Wyoming: Green River Basin: greasewood flats and cottonwoods adjacent to Big Island Wash and Green River, ca 26 air mi WNW of Rock Springs.-109.718241.748218901896Disturbed area. Phenology: fruiting.RMRM648996 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4406Beth Ward1997531151U.S.A.WyomingSweetwaterSouth-Central Wyoming: Rock Springs Uplift: west-facing slopes and draws of Earnest Butte, ca 5 air mi SW of Quaking Asp Mountain; ca 14.5 air mi S of Rock Springs.-109.244941.366920332152Disturbed area. Phenology: flowering & fruiting.RMRM649005 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4722Beth Ward199767158U.S.A.WyomingSweetwaterSouth-Central Wyoming: Rock Springs Uplift: rocky outcrops and draws draining to Black Butte Creek, ca 6 air mi E of Cooper Ridge; ca 18 air mi S of Point of Rocks.-108.78341.405221262158Sagebrush flat. Phenology: flowering & fruiting.RMRM649006 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4805Beth Ward199769160U.S.A.WyomingSweetwaterSouth-Central Wyoming: Rock Springs Uplift: sandy draws and badlands slopes on hills, ca 5 air mi W of north-south trending Rifes Rim; ca 32 air mi SSE of Rock Springs.-108.824341.208221432231Disturbed area. Phenology: flowering & fruiting.RMRM649007 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4931Beth Ward199769160U.S.A.WyomingSweetwaterSouth-Central Wyoming: low buttes and flats, ca 1 air mi N of Canyon Creek; ca 0.5 air mi W of Wyo Hwy 430; ca 42 air mi SSE of Rock Springs.-108.805241.035121892234Disturbed area. Phenology: flowering & fruiting.RMRM649008 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5265Beth Ward1997614165U.S.A.WyomingSweetwaterSouth-Central Wyoming: Green River Basin: slopes and draws draining to Firehole Canyon, ca 5.5 air mi E of Flaming Gorge Reservoir; ca 5 air mi W of U.S Hwy 191; ca 18.5 air mi SSW of Rock Springs.-109.340641.323720152222Disturbed roadside. Phenology: flowering & fruiting.RMRM649009 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5414Beth Ward1997616167U.S.A.WyomingSweetwaterSouth-Central Wyoming: dry creek bottom and adjacent slopes of Granary Draw, ca 3.5 air mi W of Alkali Creek; ca 7 air mi E of Wyo Hwy 430; ca 40.5 air mi SSE of Rock Springs.-108.686341.127421582182South-facing draws. Phenology: flowering & fruiting.RMRM649010 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5667Beth Ward1997617168U.S.A.WyomingSweetwaterSouth-Central Wyoming: Washakie Basin: badlands ca 3 air mi NW of Dad draining to Muddy Creek, ca 1 air mi W of Muddy Creek; ca 25 air mi NNW of Baggs.-107.792741.359420072044Badlands draw. Phenology: flowering & fruiting.RMRM649011 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5976Beth Ward1997622173U.S.A.WyomingSweetwaterSouth-Central Wyoming: Rock Springs Uplift: draws and slopes of dry tributary to Burnt Canyon Creek, ca 0.5 air mi upstream of confluence of Burnt Canyon and Circle creeks; ca 3 air mi E of Baxter; ca 17 air mi SSE of Rock Springs.-109.053741.366921552326Creek terrace. Phenology: flowering & fruiting.RMRM649012 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6769Beth Ward1997718199U.S.A.WyomingSweetwaterSouth-Central Wyoming: Rock Springs Uplift: rock ledges, slopes and draws draining to Horsethief Canyon, ca 1.5 air mi S of South Superior; ca 0.5 air mi W of Horsethief Canyon; ca 16.5 air mi NE of Rock Springs.-108.955841.746320672112Dry creek bottom. Phenology: fruiting.RMRM649805 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4610Amy J. Roderick199867158U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Canyon Creek E of Kortes or County Road 291, ca 11.2 air mi S of Alcova townsite.-106.734442.39751975Creek banks and adjacent wet meadow; grazing disturbance. Phenology: flowering & fruiting.RMRM646714 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.33469Ronald L. Hartman1992627179U.S.A.WyomingLincolnWyoming/Salt River Ranges: Commissary Ridge: 0.5 air mi SE of Kemmerer Reservoir along powerlines E of paved road; ca 12 air mi NW of Kemmerer.-110.636441.929421792256Rolling sagebrush-grasslands, southwest exposure with some aspen on northeast side of gravelly ridge, also along roadside. Phenology: flowering & fruiting.RMRM647352 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.25958B. E. Nelson Russ Nelson1993620171U.S.A.WyomingLincolnWyoming/Salt River Ranges: Salt River Range: above La Barge Creek on County Road 315 or La Barge Creek Road, ca 1.5 air mi NW of Viola; ca 23.5 air mi SW of Big Piney.-110.378142.2721952225Roadside and steep road cuts. Phenology: flowering & fruiting.RMRM647353 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.37560Ronald L. Hartman1993523143U.S.A.WyomingLincolnWyoming/Salt River Ranges: Hams Fork Plateau: ca 5 air mi WNW of Kemmerer.-110.605641.825621402301Sandstone outcrops and sandy slopes with sagebrush on slopes, cushion plants on ridges. Phenology: flowering & fruiting.RMRM647354 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.42804Ronald L. Hartman1993730211U.S.A.WyomingSubletteWyoming/Salt River Ranges: Salt River Range: South end of Deadline Ridge, ca 3 air mi NW of Viola.-110.397842.313622192733Rocky slopes and ridges. Phenology: fruiting.RMRM647756 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.10096B. E. Nelson1983629180U.S.A.WyomingHot SpringsBighorn Basin: off Wyo Hwy 120 on Red Ridge, ca 5.5 air mi E of Grass Creek Post Office; ca 26.5 air mi NW of Thermopolis.-108.537543.938891676Disturbed flats.RMRM648171 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.10578B. E. Nelson1983731212U.S.A.WyomingHot SpringsBighorn Basin: along Gooseberry Creek, ca 1 mi W of Wyo Hwy 120; ca 3.5 air mi E of Dickie (LU Ranch); ca 34.5 air mi NW of Thermopolis.-108.679443.99921676Disturbed areas.RMRM386321 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.11424B. E. Nelson Robert S. Kirkpatrick198477189U.S.A.WyomingFremontWind River Basin: along Beaver Creek, ca 5.5 air mi W of Beaver Rim; ca 10.5 air mi NW of Sweetwater Station; ca 24 air mi SE of Lander.-108.355342.64691707Creek bottom. Phenology: flowering & fruiting.RMRM297947 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1209B. E. Nelson Linda Nelson1975617168U.S.A.WyomingConversePowder River Basin: ca 6 mi NE of Douglas, off Wyo Hwy 59.-105.305342.81671524Frequent in sandy clay of roadside with Alyssum, Camelina, Lappula, Bromus, and Agropyron. Phenology: flowering & fruiting.RMRM647757 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.13655B. E. Nelson1987621172U.S.A.WyomingParkBighorn Basin: ca 1.5 mi N of Silvertip Oil Field; ca 19 air mi NW of Powell.-108.913444.99371371Along drainage and flats above.RMRM647758 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.14088B. E. Nelson1987630181U.S.A.WyomingParkBighorn Basin: Shearing Pens Reservoir above West Branch Whistle Creek, ca 12 air mi SE of Powell.-108.6630644.600561341Flats near reservoir.RMRM647760 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.14887B. E. Nelson Erik Nelson1988527148U.S.A.WyomingWashakieBighorn Basin: along South Fork Fifteenmile Creek, ca 14 air mi WNW of Worland.-108.217244.07361310Sandy clay flats along creek with scattered cottonwoods.RMRM647759 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.15100B. E. Nelson Erik Nelson1988531152U.S.A.WyomingParkBighorn Basin: along Whistle Creek Road at Gilmore Hill, ca 7.5 air mi ESE of McCullough Peak, ca 15.5 air mi SSE of Powell.-108.643144.542814631524Persisting in (20 year?) old pipeline planting.RMRM648177 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.15315B. E. Nelson Erik Nelson198865157U.S.A.WyomingBig HornBighorn Basin: N slope of Tatman Mountain, ca 12 air mi SW of Burlington, ca 27 air mi WSW of Basin.-108.563344.306111707Disturbed areas near windmill.RMRM648232 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.20698B. E. Nelson Robin Jones199166157U.S.A.WyomingHot SpringsBighorn Basin: between Rattlesnake Gulch and Missouri Flats Road, ca 5 air mi NW of Thermopolis.-108.305543.6814021493Disturbed areas and grassy sagebrush slope on shale, clay, sandy clay.RMRM648172 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.20790B. E. Nelson Robin Jones199166157U.S.A.WyomingHot SpringsBighorn 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.-108.5986143.8819416611682Disturbed areas.RMRM648231 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.20950B. E. Nelson Robin Jones199169160U.S.A.WyomingHot SpringsBighorn Basin: hills along Wagonhound Creek W of Wagonhound Bench, ca 6 air mi WNW of Hamilton Dome, ca 26 air mi NW of Thermopolis.-108.682543.809217371829Greasewood flats on bench above stream channel.RMRM648233 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.21100B. E. Nelson1991613164U.S.A.WyomingHot SpringsBighorn Basin: along Cottonwood Creek, ca 6 air mi W of Hamilton Dome, ca 25 air mi WNW of Thermopolis.-108.682543.76641737Flats along the stream with narrowleaved cottonwood and sagebrush.RMRM1009717 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2757B. E. Nelson Ronald L. Hartman197963154U.S.A.WyomingCarbonSouth-central Wyoming: ca 7.7 road mi N of Baggs on Wyo Hwy 789, then ca 0.9 road mi E on flats above Muddy Creek.-107.63741.12911935On greasewood flats with Atriplex. Abundant. Phenology: flowering & fruiting.RMRM647723 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7564B. E. Nelson198165156U.S.A.WyomingWashakieBighorn Basin: Six Mile Reservoir and vicinity, ca 12 air mi NNW of Worland; ca 9 air mi SW of Manderson.-108.059744.16671341Disturbed areas.RMRM647724 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7587B. E. Nelson198165156U.S.A.WyomingBig HornBighorn Basin: Six Mile Reservoir and vicinity, ca 9 air mi SW of Manderson; ca 15 air mi S of Basin.-108.067144.17121341Clay soil in small sagebrush draws in the badlands.RMRM647725 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7829B. E. Nelson198169160U.S.A.WyomingWashakieBighorn Basin: East Fork Nowater Creek on Nowater Trail, ca 7.5 air mi S of Worland.-107.949743.91221280Disturbed areas.RMRM647751 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7905B. E. Nelson198169160U.S.A.WyomingWashakieBighorn Basin: along Nowater Creek, ca 16 air mi SE of Worland.-107.8455643.81171341Disturbed areas and greasewood flat.RMRM647752 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.9404B. E. Nelson1983616167U.S.A.WyomingHot SpringsBighorn Basin: ca 3.5 air mi N of Hamilton Dome; ca 22 air mi NW of Thermopolis along Wagonhound Creek.-108.578643.823611585Greasewood-sagebrush flats.RMRM647753 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.9428B. E. Nelson1983617168U.S.A.WyomingHot SpringsBighorn Basin: above Buffalo Creek on the road to Little Buffalo Basin, ca 5 air mi N of Dickie, ca 40 air mi NW of Thermopolis.-108.7444.07221768Greasewood-sagebrush creek bottom.RMRM647754 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.9519B. E. Nelson1983619170U.S.A.WyomingHot SpringsBighorn Basin: on the road to Grass Creek, ca 3 air mi N of Grass Creek, ca 40 air mi NW of Thermopolis.-108.6188943.98421676Greasewood-sagebrush creek bottom.RMRM647755 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.9851B. E. Nelson Robert S. Kirkpatrick1983623174U.S.A.WyomingHot SpringsBighorn Basin: along Cottonwood Creek, ca 5 air mi W of Hamilton Dome; ca 24.5 air mi WNW of Thermopolis.-108.662243.76641890Stream bottom.RMRM525462 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.11079Keith H. Dueholm Ronald L. Hartman1981523143U.S.A.WyomingSweetwaterGreen River Basin: ridges and flats between Richards Gap and Tepee Mountain, and along Red Creek.-109.168641.019721032164Sandy and shaley slopes above deep drainages, rocky bench above, greasewood flats along lower drainage and creek; flats. Phenology: flowering & fruiting.RMRM524224 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.11089Keith H. Dueholm Ronald L. Hartman1981524144U.S.A.WyomingSweetwaterWamsutter Arch: Deadman Wash, ca 2.5 air mi E of Point of Rocks.-108.722541.68112012Greasewood flats surrounding wash, sandy silt slopes and uplands with sagebrush; flats. Phenology: flowering & fruiting.RMRM648194 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.11277Keith H. Dueholm Ronald L. Hartman1981528148U.S.A.WyomingHot SpringsOwl Creek/Bridger Mountains: Bridger Mountains: Blue Hill; ca 16 air mi SE of Thermopolis.-107.907243.565614021524Loose, shaley slopes of hill, rocky plains on summit, mud around holding pond in drainage below, sagebrush on lower slopes of hill; above holding pond.RMRM323570 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1238Keith H. Dueholm Ronald L. Hartman1978522142U.S.A.WyomingCampbellPowder River Basin: 11 road mi E of Gillette.-105.257544.28441402Railroad right-of-way - dry ground. Phenology: flowering & fruiting.RMRM323573 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1375Keith H. Dueholm Ronald L. Hartman1978525145U.S.A.WyomingCampbellPowder River Basin: near Soda Wells; ca 2 road mi E of Weston.-105.3002844.649171128Roadside. Phenology: flowering & fruiting.RMRM323566 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1635Keith H. Dueholm Ronald L. Hartman1978529149U.S.A.WyomingCampbell[location and coordinates withheld]1524Edge of road. Phenology: flowering & fruiting.RMRM323577 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1784Keith H. Dueholm Ronald L. Hartman197864155U.S.A.WyomingCampbell[location and coordinates withheld]1432Rolling plains, along highway and railroad right-of-ways; waste area along ditch. Phenology: flowering.RMRM323580 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2410Keith H. Dueholm Ronald L. Hartman and Mary Alice Sanguinetti.1978621172U.S.A.WyomingCampbell[location and coordinates withheld]1189Floodplain, flats, eroded ridge and sagebrush plains east of creek; flats. Phenology: fruiting.RMRM323578 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3376Keith H. Dueholm Mary Alice Sanguinetti197875186U.S.A.WyomingCampbell[location and coordinates withheld]1463Flats near creek; ditch. Phenology: fruiting.RMRM323579 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3472Keith H. Dueholm Mary Alice Sanguinetti197877188U.S.A.WyomingCampbell[location and coordinates withheld]1189Streambank, shaded ravine, gravel slope, highway right-of-way; roadside. Phenology: fruiting.RMRM331678 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6363Keith H. Dueholm197962153U.S.A.WyomingSheridan[location and coordinates withheld]1158Weedy sagebrush plain, small stream; near stream, open ground. Phenology: flowering & fruiting.RMRM331683 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6590Keith H. Dueholm197965156U.S.A.WyomingJohnsonPowder River Basin: near Wall Creek, ca 9.5 air mi SSE of Kaycee.-106.565243.57811463Loose, shaley slopes with scattered ponderosa pine; sagebrush flats near creek; roadside, flats. Phenology: flowering & fruiting.RMRM331680 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7754Keith H. Dueholm197975186U.S.A.WyomingNatronaPowder River Basin: Hells Half Acre, ca 5 air mi W of Powder River.-107.09543.04861829Bentonite badlands, slopes, drainages at bottom of slopes, sandy plains above; drainages. Phenology: fruiting.RMRM331679 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7812Keith H. Dueholm197975186U.S.A.WyomingNatronaPowder River Basin: along Middle Casper Creek, ca 3.5 air mi SE of Powder River.-106.957842.98971768Greasewood/saltbush flats along creek. Phenology: flowering & fruiting.RMRM570667 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.244Nancy Kastning Heather and Joel Kastning1988616168U.S.A.WyomingCarbonSierra Madre/Park Range: Sierra Madre: Battle Creek, ca 8 air mi ENE of Battle Mountain.-107.164341.08421792256Sage flats by creek. Phenology: flowering & fruiting.RMRM647726 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.11010Ronald L. Hartman Keith H. Dueholm1980523144U.S.A.WyomingWashakieBighorn Basin: ca 1.5 air mi W of Ten Sleep.-107.474844.02321371Shaley ridge and eroded slopes with sparsely scattered Juniperus scopulorum.RMRM647728 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.12753Ronald L. Hartman Keith H. Dueholm1981527147U.S.A.WyomingHot SpringsBighorn Basin: intersection of Wyo Hwy 431 and Gooseberry Creek, ca 26 air mi W of Worland.-108.517843.9983Greasewood flats and banks of creek at highway crossing.RMRM647727 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.12828Ronald L. Hartman Keith H. Dueholm1981528148U.S.A.WyomingHot SpringsBighorn Basin: ca 10 air mi E of Thermopolis.-107.999643.6309Chugwater cliffs and adjacent plains.RMRM647729 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.14248Ronald L. Hartman1983522142U.S.A.WyomingBig HornBighorn Basin: ca 7 air mi NW of Shell.-107.871144.6283Shales with some sandstone; ridge, steep slopes, and flats below; sagebrush, saltbush, and greasewood community types.RMRM647491 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.23175Ronald L. Hartman Neil Snow1987623174U.S.A.WyomingParkSouthwestern Absarokas: Deer Creek trail, from trail head on South Fork Road to ca 2 mi W.-109.643344.172519962256East exposed slope of sandstones and shales with sagebrush and limber pine and south slopes with douglas fir and some igneous outcrops.RMRM533288 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.23593Ronald L. Hartman Greg Brown198862154U.S.A.WyomingNatronaWind River Basin: ca 10 air mi SW of Casper.-106.530342.76831829Frontier Formation, sandy soil with sagebrush and rabbit brush. Phenology: flowering & fruiting.RMRM323572 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5214Ronald L. Hartman Keith Dueholm1978521141U.S.A.WyomingConversePowder River Basin: Wyo Hwy 59, ca 20 mi N of Douglas.-105.266443.03471493Sandy streamside near road. Phenology: flowering & fruiting.RMRM323569 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5849Ronald L. Hartman Keith Dueholm197863154U.S.A.WyomingConversePowder River Basin: near Logan Draw, ca 3 mi NE of Robertson Flat.-105.344743.44161463Rolling plains dissected by intermittent stream; near road. Phenology: flowering & fruiting.RMRM323584 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5954Ronald L. Hartman Keith Dueholm197864155U.S.A.WyomingCampbellPowder River Basin: Echeta Road, ca 2 air mi SE of Echeta.-105.84544.42421250Eroded slopes, flats, and river bottoms; flats. Phenology: fruiting.RMRM323576 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6336Ronald L. Hartman197868159U.S.A.WyomingCampbellPowder River Basin: ca 18 air mi SE of Gillette.-105.2922244.0951432Hill with grassy ridge and steep slopes, eroded slopes, and roadside; roadside. Phenology: flowering & fruiting.RMRM323583 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6387Ronald L. Hartman197869160U.S.A.WyomingCampbellPowder River Basin: ca 7 air mi ESE of Gillette.-105.3586144.225561402Stream with adjacent eroded hills and plains; disturbed slope. Phenology: flowering & fruiting.RMRM323581 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6641Ronald L. Hartman Keith Dueholm and Mary Alice Sanguinetti1978620171U.S.A.WyomingConversePowder River Basin: ca 12.5 air mi NE of Bill.-105.145343.40111371Flood plain. Phenology: flowering & fruiting.RMRM323571 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6855Ronald L. Hartman Keith Dueholm and Mary Alice Sanguinetti1978621172U.S.A.WyomingCampbellPowder River Basin: ca 19 air mi NNE of Gillette.-105.3427844.54721189Low eroded slopes and drainage. Phenology: flowering & fruiting.RMRM323568 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7314Ronald L. Hartman Mary Alice Sanguinetti1978625176U.S.A.WyomingCampbellPowder River Basin: along Dead Horse Creek, ca 19 air mi WSW of Gillette.-105.844244.19171402Creek bottom and adjacent slopes. Phenology: flowering & fruiting.RMRM323567 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7421Ronald L. Hartman Mary Alice Sanguinetti1978626177U.S.A.WyomingJohnsonPowder River Basin: ca 1 air mi N of I-90 at the Powder River.-106.1666744.23361402Roadside and eroded slopes. Phenology: fruiting.RMRM590331 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.11084Walter Fertig199189221U.S.A.WyomingFremontWest Slope Wind River Range: banks of Sweetwater River, ca 3 air mi E of Little Sandy Lake, ca 45 air mi SE of Pinedale.-109.062242.627828652926Shady lodgepole pine forest adjacent to river. Soil sandy, dry. Phenology: flowering & fruiting.RMRM590128 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3050Walter Fertig199076187U.S.A.WyomingTetonWest Slope Wind River Range: adjacent to Forest Road 30410 and Cottonwood Creek, ca 26 air mi E of Jackson.-110.220343.57312317Roadside. Phenology: flowering & fruiting.RMRM590332 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7366Walter Fertig199169160U.S.A.WyomingSubletteWest Slope Wind River Range: Scab Creek Recreation Area (BLM), 10 air mi NE of Boulder.-109.553642.829425002682Dry, compacted soil of Scab Creek Trail near trailhead. Phenology: flowering.RMRM597195 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.24798B. E. Nelson1993517137U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Coal Draw between Salt Creek and County Road 116, ca 2.5 air mi N of Midwest.-106.281743.450814541457Bench along creek with Sarcobatus and Tamarix thickets. Phenology: flowering.RMRM597194 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.24812B. E. Nelson1993517137U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along and above Government Creek just above confluence with Dugout Creek, ca 8.8 air mi W of Midwest.-106.435343.419715061524Greasewood flats. Phenology: flowering.RMRM597193 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.25821B. E. Nelson1993616167U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: drainage leading to Middle Fork Casper Creek along Bucknum or County Road 125, ca 18.5 air mi NW of Casper.-106.623142.986916761685Under and around greasewood at edge of draw. Phenology: flowering & fruiting.RMRM654430 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.30103B. E. Nelson1994512132U.S.A.WyomingConverseSouthern 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.-105.847843.136216581670Flats in the stream bottom. Phenology: flowering & fruiting.RMRM654431 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.31860B. E. Nelson1994621172U.S.A.WyomingConverseSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cow Creek and the north end of Cow Creek Buttes, ca 15 air mi ENE of Bill; ca 43 air mi NE of Douglas.-104.970843.312613811384Roadside through the stream valley. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.33963B. E. Nelson Tim Chumley and Robbin Romberg1994810222U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Thirtythree Mile Reservoir on South Fork Casper Creek, ca 13 air mi NW of Casper.-106.509642.97511621On shores of reservoir and surrounding flats and drainages. Phenology: flowering & fruiting.RMRM597192 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.38105Ronald L. Hartman1993623174U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Emigrant Gap Ridge, ca 12 air mi W of Casper.-106.557842.853316911701Sandy and shaly areas with ponderosa pine on ridges. Phenology: fruiting.RMRM597191 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.38191Ronald L. Hartman1993623174U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Poison Spider Oil Field, ca 24 air mi W of Casper.-106.775242.861517371798Sandy slopes and flats with sandstone outcrops in uplands with ponderosa pine. Phenology: fruiting.RMRM597190 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.38766Ronald L. Hartman1993627178U.S.A.WyomingConverseSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyoming Game and Fish Access on North Platte River, ca 6.5 air mi E of Glenrock.-105.745942.84041500Riverside and sandy parking lot and flats slightly uphill. Phenology: fruiting.RMRM597189 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.38847Ronald L. Hartman1993627178U.S.A.WyomingConverseSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Wyoming Game and Fish Access area along the North Platte River in vicinity of Carey, ca 10 air mi E of Glenrock.-105.668142.85681502River margin and sandy flats and slopes. Phenology: flowering & fruiting.RMRM597188 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.39016Ronald L. Hartman1993629180U.S.A.WyomingConverse[location and coordinates withheld]1524Sandy road cut and banks along road. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.39108Ronald L. Hartman1993629180U.S.A.WyomingConverse[location and coordinates withheld]14631493Sandy plains and road cut. Phenology: flowering & fruiting.RMRM597187 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.39108Ronald L. Hartman1993629180U.S.A.WyomingConverse[location and coordinates withheld]14631493Sandy plains and road cut. Phenology: flowering & fruiting.RMRM597186 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.39372Ronald L. Hartman199371182U.S.A.WyomingConverse[location and coordinates withheld]14631493River margin and banks. Phenology: fruiting.RMRM597185 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.40142Ronald L. Hartman199374185U.S.A.WyomingConverse[location and coordinates withheld]1432Alkaline depression and adjacent sandy rise. Phenology: flowering & fruiting.RMRM597184 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.40521Ronald L. Hartman Thomas W. Nelson199376187U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 10 air mi SW of Waltman along Powder River.-107.349442.94831951Sandy slopes and sandstone outcrop with juniper. Phenology: flowering & fruiting.RMRM632010 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.45113Ronald L. Hartman Tom Cramer and Charmaine Refsdal1994522142U.S.A.WyomingSweetwaterGreen River Basin: Little Colorado Desert, ca 38 air mi NW of Rock Springs.-109.791441.926719201951Rocky desert, clay buttes, and stabilized sand dunes. Phenology: flowering & fruiting.RMRM632009 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1680Thomas Cramer Jane T. Kellett199477188U.S.A.WyomingFremontGreen River Basin: West Willow Creek and vicinity, ca 2.5 air mi NW of South Pass City.-108.841942.485624692576Sagebrush hillsides, streamsides, meadows, and granite outcrops. Phenology: flowering & fruiting.RMRM631285 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3773Thomas Cramer1994814226U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Hams Fork, ca 1 air mi N of Frontier.-110.528641.82581835Riverside meadows, sagebrush, and willows. Phenology: flowering & fruiting.RMRM632008 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4907Thomas Cramer1994825237U.S.A.WyomingSubletteGreen River Basin: New Fork River, ca 3 air mi WNW of Boulder.-109.761442.765721342164Riverside meadows, willows and cottonwoods, stagnant ponds, irrigation ditchsides, and piney bluffside. Phenology: flowering & fruiting.RMRM632007 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5007Thomas Cramer1994827239U.S.A.WyomingSubletteGreen River Basin: ca 2 air mi S of Boulder.-109.709442.71662121Gravel roadsides and irrigation ditchsides. Phenology: fruiting.RMRM638554 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5060Thomas Cramer1995526146U.S.A.WyomingLincolnGreen River Basin: ca 7.5 air mi W of Fontenelle.-110.203241.956220122027Clay and shale slopes and flats; sparse vegetation; Atriplex. Phenology: flowering & fruiting.RMRM638553 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6516Thomas Cramer Jane T. Kellett1995621172U.S.A.WyomingSubletteGreen River Basin: Muddy Creek, ca 3 air mi N of Big Piney.-110.095742.57122079Creekside meadows. Phenology: flowering & fruiting.RMRM649806 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5651Amy J. Roderick1998627178U.S.A.WyomingNatronaUpper North Platte and Laramie River Drainages: Platte River Parkway, ca 0.3 air mi N of Wyo Hwy 220; ca 1 air mi S of Mills.-106.371942.82921554Thickets along river and adjacent gravelly areas; canary grass common. Phenology: flowering & fruiting.RMRM374572 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2095Hollis Marriott1983516136U.S.A.WyomingCrookBlack Hills: Keyhole Reservoir, road to campground E of Cottonwood Creek arm; ca 12 air mi NE of Moorcroft.-104.769444.376391280Disturbed soil along road in open pine forest. Phenology: flowering & fruiting.RMRM374571 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3467Hollis Marriott1983623174U.S.A.WyomingCrookBlack Hills: Keyhole Reservoir near campground SE of dam, ca 11.8 air mi NE of Moorcroft.-104.769444.376391280Disturbed soil along lake margin. Phenology: fruiting.RMRM374570 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3857Hollis Marriott198375186U.S.A.WyomingCrookBlack Hills: between Goldie Road and Elkhorn Creek, ca 6 air mi WNW of Seely.-104.7458344.825561158Roadside in sagebrush grassland. Phenology: fruiting.RMRM374569 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6217Hollis Marriott1984522143U.S.A.WyomingWestonBlack Hills: between U. S. Highway 16 and Clay Spur, ca 3.5 air mi NW of Osage.-104.488644.009721280Pinus ponderosa, Juniperus scopulorum on Mowry shale and bentonite. Phenology: flowering & fruiting.RMRM374568 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6538Hollis Marriott198467159U.S.A.WyomingCrookBlack Hills: Cabin Creek SSW of Cedar Hill; ca 8.5 air mi WSW of Devils Tower.-104.872244.521250Big sagebrush-grassland with occasional junipers, on Skull Creek shale. Phenology: flowering & fruiting.RMRM374567 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6597Hollis Marriott198467159U.S.A.WyomingCrook[location and coordinates withheld]1341On old roadbed near creek. Phenology: flowering & fruiting.RMRM323582 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4780Keith H. Dueholm1978724205U.S.A.WyomingWestonPowder River Basin: along Alkali Creek, ca 11 air mi W of Upton.-104.867844.09671341Along creek, roadside; roadside. Phenology: fruiting.RMRM323575 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5358Ronald L. Hartman Keith H. Dueholm1978523143U.S.A.WyomingCrookPowder River Basin: ca 6 air mi WSW of Moorcroft.-105.052844.24221371Roadside. Phenology: flowering & fruiting.RMRM314023 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.D-8Ronald G. Schreibeis1976519140U.S.A.WyomingWestonS of Newcastle.Roadside. Phenology: fruiting.RMRM649807 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5844Amy J. Roderick199876187U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: East Allen Lake, ca 1 air mi W of County Road 1; ca 1.5 air mi S of Medicine Bow townsite.-106.216941.87851981Greasewood-saltbush flats; disturbed. Phenology: fruiting.RMRM939223 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.71071B. E. Nelson Emily Elliott, Brian Elliott2007522142U.S.A.MontanaCarbonBighorn Basin: along Grove Creek Road, ca 2.5 air mi W of Clarks Fork Yellowstone River, ca 5 air mi SW of Belfry.-109.083545.079312621304Clay slopes and ridges with sandstone outcrop, with sagebrush and saltbush. Phenology: fruiting.RMUSFS864224 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.176Emily Elliott Brian Elliott2007521141U.S.A.MontanaCarbonBeartooth Mountains: Custer National Forest: along Forest Road 2071 and Forest Road 21478 at intersection, ca 3 air mi SW of Red Lodge.-109.302545.15818902012On south-facing slope, in an open meadow used as a horse pasture with sagebrush and into pine/Douglas fir. Phenology: flowering.RMRM939156 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.110Emily Elliott Brian Elliott, B. E. Nelson2007522142U.S.A.MontanaCarbonBighorn Basin: along Robertson Draw Road, just N of Wyoming, ca 3 air mi W of Chance Bridge on Clarks Fork Yellowstone River, ca 10.5 air mi SSW of Belfry.-109.112345.010213351378Sandy flats and wash with big sagebrush, clay slopes, and gravelly cobblestone ridgetops. Phenology: fruiting.RMRM939170 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.85794Ronald L. Hartman2007617168U.S.A.MontanaCarbon0.5 air mi S of Columbus on Mont Hwy 78 at Itch-kep-pe Park along the Yellowstone River.-109.252145.62841088Along river and throughout park. Phenology: fruiting.RMRM918532 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3Laura E. Lukas Bernadette Kuhn200764155U.S.A.WyomingAlbanyLaramie Plains: just W of the intersection of County Road 422 (Pahlow Lane) and Wyo Hwy 230, ca 11 mi SW of Laramie.-105.754241.23392207Wet pasture with canals. Phenology: flowering & fruiting.RMRM929096 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.9034Laura E. Lukas2009617168U.S.A.WyomingCarbonSaratoga Valley: North Platte River E of Savage Meadows, ca 5 air mi SW of I-80 exit 235 (Walcott Junction) and ca 16 air mi NNW of Saratoga.-106.895541.67862010Sandy parking area next to river, meadows and sagebrush hills nearby. Phenology: fruiting.RMRM929095 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.9112Laura E. Lukas2009622173U.S.A.WyomingCarbonMedicine Bow Mountains: Cedar Ridge and Cottonwood Creek, ca 3 air mi NE of Wyo hwys 130 and 230 intersection, ca 9 air mi SE of Saratoga.-106.706241.373621442151In and around creek in sagebrush hills. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.788Rick McNeill2008624176U.S.A.MontanaMeagherLewis and Clark National Forest: Castle Mountains: Forest Road 585, north side of Bonanza Creek, ca 5.5 air mi NW of Lennep.-110.604446.48731901Bench above creek; open shrub land; southwest aspect, 5% slope; shale bedrock. Phenology: flowering & fruiting.RMUSFS868608 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4441Emily Elliott Brian Elliott200868160U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: between powerlines on volcanic bluff above road, ca 1 air mi NE of Gardiner.-110.691945.037611775Artemisia-Festuca site converted to weedy annual forbs, on volcanic substrate. Phenology: flowering & fruiting.RMUSFS868843 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4532Emily Elliott Brian Elliott200869161U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: along Forest Road 3245 between switchbacks, ca 2 mi NE of Gardiner.-110.684945.05162022On southeast-facing slope in sagebrush forb uplands. Phenology: flowering & fruiting.RMUSFS868844 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4569Emily Elliott Brian Elliott200869161U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: along Forest Road 3245 between switchbacks, ca 2 mi NE of Gardiner .-110.678445.05121935Dry site in disturbed campground and around horse corral. Phenology: flowering & fruiting.RMRM939157 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4845Emily Elliott Brian Elliott2008619171U.S.A.MontanaParkParadise Valley: in the Carbella Recreation Site on the Yellowstone River, ca 15 air mi NW of Gardiner.-110.901345.21111524Riparian area along river. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4134Rick McNeill Matt Voigt200967158U.S.A.MontanaFergusBear Springs Road W of Judith River, ca 10 air mi W of Winifred.-109.599647.571857Spur of ridge dropping from highland down to river; south aspect; 5 -15% slope; heavily grazed. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4184Rick McNeill Matt Voigt200967158U.S.A.MontanaFergusUpper Missouri River Breaks National Monument: east side of Judith River on P N Bridge or County Road 27, ca 3 air mi upstream of confluence with Missouri River.-109.648147.6921025West aspect; 0-25% slope; bench above river, high clay content, sagebrush and Sarcobatus. Phenology: flowering & fruiting.RMRM649808 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6501Amy J. Roderick1998714195U.S.A.WyomingNatronaUpper North Platte and Laramie River Drainages: Goldeneye Wildlife and Recreation Area: Burlington Lake, N of U.S. Hwy 20-26, ca 22 road mi to Casper.-106.706343.01891676Greasewood-sagebrush flats; alkaline lake shores. Phenology: flowering & fruiting.RMUSFS886898 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.76765B. E. Nelson Hans Hallman200965156U.S.A.MontanaCarterCuster National Forest: Long Pines: on Exie Road (Forest Road 3119), above and along North Tie Creek, ca 10 air mi WNW of Camp Crook, SD.-104.171145.584310851140Disturbed areas in meadow. Phenology: fruiting.RMUSFS884343 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.76879B. E. Nelson Hans Hallman200968159U.S.A.MontanaCarterCuster National Forest: Ekalaka Hills: on Forest Road 3102A ca 1-1.5 air mi SE of junction of Mont Hwy 323 and Prairie Dale Road, ca 8-8.5 air mi SE of Ekalaka.-104.415945.820210301097Meadow. Phenology: flowering & fruiting.RMUSFS886897 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.77304B. E. Nelson2009614165U.S.A.MontanaCarterCuster National Forest: Long Pines: just W of South Dakota above North Slick Creek and Mill Iron Road, ca 9 air mi NNW of Camp Crook, SD.-104.043545.67339751033Crested wheatgrass meadow. Phenology: fruiting.RMUSFS884344 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.318Hans Hallman2009613164U.S.A.South DakotaHardingCuster National Forest: North Cave Hills: in draw and on mesa just N of Forest Road 123, ca 0.5 air mi W of Picnic Spring, ca 6.5 air mi WNW of Ludlow.-103.503745.87289751018Grass-dominated mesa. Phenology: flowering & fruiting.RMUSFS886900 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1258Hans Hallman2009625176U.S.A.MontanaCarterCuster National Forest: Ekalaka Hills: in and around the head of Flasted Draw, 1.5-2 air mi SW of Red Hill and ca 3.5 air mi E of Ekalaka.-104.474345.892211091128Big sagebrush and grass-dominated flat. Phenology: fruiting.RMUSFS886899 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1899Hans Hallman2009710191U.S.A.MontanaCarterCuster National Forest: Long Pines: just W of the state line, from Forest Road 3118 to an unnamed reservoir ca 1 air mi N of road, ca 7-8 air mi NNW of Camp Crook, SD.-104.049545.649210001006Sedge and grass-dominated edge of reservoir. Phenology: fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.78955B. E. Nelson Lori E. Brummer, Michael K. Kirkpatrick, Josh Irwin, Ronald L. Hartman201051121U.S.A.ColoradoMesaColorado River Valley: just SW of Samson Mesa in Smith Gulch, ca 3.5 air mi ENE of De Beque.-108.157639.355615241539Clay and sandy clay flats with sagebrush and dry wash. Phenology: flowering & fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.79046B. E. Nelson Lori E. Brummer201053123U.S.A.ColoradoMesaBattlement Mesa: west end of the mesa between Horsethief and Little Horsethief creeks on V or Sunnyside Road, ca 1.5-2air mi NW of Horsethief Mountain, ca 4 air mi SE of De Beque.-108.153939.297216821774Sandstone slopes and knolls with juniper and clay flats and dry wash with sagebrush. Phenology: flowering & fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.79086B. E. Nelson Ronald. L. Hartman, Johnny Proctor, Lori E. Brummer, Michael K. Kirkpatrick, Josh Irwin201053123U.S.A.ColoradoMesaBattlement Mesa: west end of the mesa along Horsethief Creek on V or Sunnyside Road, ca 2.5 air mi SE of De Beque.-108.173239.315715541717Clay and sandy clay slopes below sandstone cliffs, with juniper and sagebrush. Phenology: flowering & fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.79104B. E. Nelson Lori E. Brummer201053123U.S.A.ColoradoMesaBattlement Mesa: west end of the mesa below V or Sunnyside Road, ca 1.5 air mi NNW of Horsethief Mountain, ca 4 air mi SE of De Beque.-108.149739.298617191743Hill of Wasatch Formation with hard clay cap. Phenology: flowering & fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.79266B. E. Nelson Michael K. Kirkpatrick201057127U.S.A.ColoradoGarfieldColorado River Valley: S of the Colorado River between Divide and Garfield creeks, ca 4 air mi E of Silt.-107.586139.54841676Weedy flats in an old burn. Phenology: flowering & fruiting.RMUSFS898653 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.126Michael K. Kirkpatrick201059129U.S.A.ColoradoMesaColorado River Valley: between Sand Wash and Little Horsethief Creek, adjacent to County Road 45.50 (De Beque Cutoff Road), ca 3 air mi S of De Beque.-108.200639.272915361548Colluvial deposits at base of shale and sandstone slopes. Phenology: flowering & fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.98Michael K. Kirkpatrick201059129U.S.A.ColoradoGarfieldColorado River Valley: S of the Colorado River on the north flanks of High Mesa, ca 1.5-2 air mi SSW of Parachute.-108.056339.417215971792Sagebrush-greasewood clearing in juniper woodland. Phenology: flowering & fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.214Michael K. Kirkpatrick2010513133U.S.A.ColoradoGarfieldBetween Spruce Creek and Porcupine Creek, between Holms Mesa and Flatiron Mesa S of County Road 320, ca 7-8 air mi SW of Rifle.-107.89239.4617801951North aspect of juniper woodland with sagebrush understory and scattered pinyon; oakbrush in dry drainages. Phenology: flowering & fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.325Michael K. Kirkpatrick2010516136U.S.A.ColoradoMesaWhite River National Forest: southwestern corner of the Forest between Little Horsethief Creek and Sunnyside Reservoir, bordering BLM lands to the W, ca 4-5 air mi SSE of De Beque at the intersection of I-70 and De Beque Cutoff Road.-108.157839.278417982134Adobe ravines of gray, chocolate brown, and light-colored clays, dominated by greasewood and saltbrush. Phenology: flowering & fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.557Michael K. Kirkpatrick2010523143U.S.A.ColoradoMesaBattlement Mesa: White River National Forest: Alkali Creek drainage, below Castle Peak, ca 7 air mi ESE of De Beque.-108.099939.323117921890Creek channel and adjacent sagebrush-greasewood benches with scattered juniper. Phenology: flowering & fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.670Michael K. Kirkpatrick2010527147U.S.A.ColoradoMesaBlack Mountain, W of the De Beque Cutoff Road, ca 8-9 air mi SSE of De Beque.-108.158839.225716702012Juniper woodland with scattered sagebrush on eastern flanks of mountain below sandstone and shale outcrops. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1382Michael K. Kirkpatrick2010615166U.S.A.ColoradoEagleUSFS-administered "tree farm" along the north shore of the Roaring Fork River, ca 1 air mi WSW of El Jebel.-107.104939.394319511966Gravel parking area and adjacent dry meadow. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.89412Ronald L. Hartman Michael K. Kirkpatrick, Josh Irwin, John G. Proctor201053123U.S.A.ColoradoMesaBattlement Mesa: White River National Forest: west end of the mesa, ca 1.5 air mi NW of Horsethief Mountain.-108.13839.304317391804Pinyon woodlands. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.79654B. E. Nelson Joseph L. M. Charboneau201068159U.S.A.MontanaValleyBLM Recreation Area between Bentonite Road and Brazil Creek, ca 11 air mi WSW of Glasgow.-106.871648.1718678Disturbed areas in sagebrush-grassland. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3Joseph L. M. Charboneau2010615166U.S.A.MontanaValleyOn 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.-106.727447.9262728759Rolling grasslands on badlands clay soil with drainages with occasional junipers. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.126Joseph L. M. Charboneau2010615166U.S.A.MontanaValleyOn Triple Crossing Road, ca 1 air mi N of Gutshot Reservoir, ca 20.5 air mi SW of Glasgow.-106.936647.9723704725Clay flats, hillsides, and grasslands with sagebrush and greasewood. Phenology: fruiting.RMRM840840 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.183Bethany Lewis200763154U.S.A.ColoradoJacksonNorth Park: Arapaho National Wildlife Refuge: ca 2 air mi S of Walden.-106.271640.7102832484Willow riparian area and irrigated meadow. Yellow flowers. Phenology: flowering.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.81866B. E. Nelson2011620171U.S.A.MontanaValleyE of the Milk River in Chapman Coulee just above Riverside Drive and Faraasen Park, ca 7 air mi NW of Glasgow.-106.742648.272640661Grassy clay flats with bare areas. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.81948B. E. Nelson2011622173U.S.A.MontanaValleyAlong Willow Creek Road S of Archambeault Flats, ca 13 air mi W of Fort Peck; ca 15 air mi S of Glasgow.-106.721247.99664689Grassy and weedy clay flats. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3903Joseph L. M. Charboneau2011519139U.S.A.MontanaValleyN 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.-106.655948.0295655658Disturbed clay areas. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3935Joseph L. M. Charboneau2011519139U.S.A.MontanaValleyS of Willow Creek Road, E of Roosevelt Coulee, ca 0.5 air mi NE of Half Barrel Reservoir, ca 27 air mi WSW of Fort Peck; ca 29 air mi SW of Glasgow.-106.967647.872716746Sagebrush-grasslands on clay soil. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4024Joseph L. M. Charboneau2011524144U.S.A.MontanaPhillipsCharles M. Russell National Wildlife Refuge: along Refuge Road 306, W of U.S. Hwy 2, upper Antelope Creek Valley and ridge to the E, ca 4.5 air mi NNW of Fred Robinson Bridge, ca 19 air mi SW of Zortman; ca 62.5 air mi SW of Malta.-108.726347.6855865893Greasewood and big sagebrush steppe on clay soil. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5255Joseph L. M. Charboneau2011615166U.S.A.MontanaPhillipsButton 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.-107.984748.1158774780Clay hardpan. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5569Joseph L. M. Charboneau2011621172U.S.A.MontanaValleyW of Stebly Road, above Browning Coulee, ca 3 air mi NE of Chico Reservoir, ca 22 air mi WSW of Fort Peck; ca 24 air mi SSW of Glasgow.-106.854647.8935704707Big-sagebrush steppe on thick clay. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5734Joseph L. M. Charboneau Mark Majerus, Michael Dolan, Noorjahan Parwana, Katie Butts, and Mary Frieze2011624175U.S.A.MontanaPhillipsAmerican Prairie Reserve: Box Elder Creek and hills above, ca 4 air mi E of Indian Lake, ca 38.5 air mi ESE of Zortman; ca 44 air mi SSE of Malta.-107.767447.735704728Roadside on clay. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6282Joseph L. M. Charboneau2011630181U.S.A.MontanaValleyLarb Hills (North): S of Beaver Creek, ca 4.5 air mi NNW of Ashford Spring, ca 6.5 air mi WNW of Hinsdale; ca 31.5 air mi NW of Glasgow.-107.222648.4098673722Big sagebrush steppe with greasewood on silty clay. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.6574Joseph L. M. Charboneau201173184U.S.A.MontanaValley[location and coordinates withheld]658661Empty lot and disturbed graveled area. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4765Michael K. Kirkpatrick2011517137U.S.A.ColoradoMesaColorado River Valley: unnamed side canyon E of De Beque Canyon, N of Kimbell Mesa, ca 21 air mi ENE of Grand Junction.-108.247639.271514931524Sandstone break lands and canyon walls. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4821Michael K. Kirkpatrick2011519139U.S.A.ColoradoMesaN of Shire Gulch between De Beque Cutoff Road and Sunnyside Road, ca 7 air mi SSE of De Beque at the intersection of I-70 and De Beque Cutoff Road.-108.173939.237416701804Ruderal site within sagebrush meadow. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4933Michael K. Kirkpatrick2011522142U.S.A.ColoradoMesaColorado River Valley: mesas on either side of Little Horsethief Creek, S of Sunnyside Road, ca 3 air mi NW of Horsethief Mountain and ca 2 air mi SE of De Beque.-108.189539.311815361615Sagebrush meadow and slopes with scattered juniper and mixed grass-forb understory. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5011Michael K. Kirkpatrick2011524144U.S.A.ColoradoMesaUnnamed mesa N of Plateau Creek, ca 6 air mi E of Colo Hwy 65 at I-70 and ca 5 air mi W of Molina.-108.170739.19231548Ruderal site near mouth of creek along highway. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5203Michael K. Kirkpatrick2011529149U.S.A.ColoradoMesaBattlement Mesa: hills and slopes N of Pete and Bill Creek and S of High Mesa, ca 5 air mi N of Horse Mountain and ca 4 air mi S of Parachute.-108.042539.39241737Ruderal roadside habitat in juniper woodland. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5294Michael K. Kirkpatrick2011530150U.S.A.ColoradoMesaColorado River Valley: canyon SE of De Beque Reservoir, ca 1 air mi NNE of De Beque off of the W.50 Road.-108.21339.340715391570Ruderal meadow and roadside in bottom of canyon. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5377Michael K. Kirkpatrick201161152U.S.A.ColoradoGarfieldColorado River Valley: Anvil Points, below the Roan Cliffs, ca 7 air mi W of Rifle.-107.92839.52131768Juniper woodland with scattered sagebrush and sandy clay soil. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5417Michael K. Kirkpatrick201161152U.S.A.ColoradoGarfieldColorado River Valley: W of the mouth of Smith Gulch, N of I-70 along a frontage road, ca 5 air mi SW of Parachute.-108.134139.398415601585Ruderal meadow (including pipeline corridor) with greasewood, cheatgrass, and other weedy species. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5543Michael K. Kirkpatrick201162153U.S.A.ColoradoMesa[location and coordinates withheld]17531783Ruderal stream valley recently burned, dominated by sagebrush, greasewood, and formerly juniper. Phenology: fruiting.RMRM816157 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1009Cynthia Villa2003721202U.S.A.ColoradoGrandBlue Valley Ranch: south end of Blue Valley Ranch parcel 1.2542Aspen and sagebrush community with northeast aspect. Phenology: fruiting.RMRM910275 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.598Herb L. Karcher1988612164U.S.A.WyomingCampbell4-H livestock compound, ca 0.5 mi SW of Wright.-105.479643.759415151524Open disturbed area. Common. Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.318Hans Hallman2009613164U.S.A.South DakotaHardingCuster National Forest: North Cave Hills: in draw and on mesa just N of Forest Road 123, ca 0.5 air mi W of Picnic Spring, ca 6.5 air mi WNW of Ludlow.-103.503745.87289751018Grass-dominated mesa. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7478Lori E. Brummer2012513134U.S.A.ColoradoMontroseUncompahgre Basin: adobe hills N of Cedar Creek off Kinnikin Road, ca 7.5 air mi SE of Montrose.-107.623638.4213219572073Bottomland in adobe hillsides with Sarcobatus and Artemisia. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1987Joshua J. Irwin Wendy Irwin201073184U.S.A.IdahoCusterLittle Lost River Valley: Barney Hot Springs outlet area, 15.8 air mi SW of Gilmore.-113.4499144.268821959Well developed soil in xeric grassland vegetation; 0° slope; alluvial geology. Greater than 150 individuals apparent. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.1456Joshua J. Irwin2010624175U.S.A.IdahoLemhiSalmon National Forest: Salmon River Mountains: Hot Springs on Hot Springs Creek, 5.6 air mi SSW of Shoup.-114.3383745.306951303Well developed soil in xeric grassland vegetation; 4° slope, WNW aspect; granite geology. 26-75 individuals apparent. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.913Joshua J. Irwin2010613164U.S.A.IdahoButteLittle Lost River Valley: adjacent to Big Spring Creek, ca 2 mi S of Sunny Bar, 15.6 air mi NNW of Howe.-113.1646143.977621629Well developed soil in xeric roadside vegetation; 2° slope, SSE aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.5193Joshua J. Irwin2011619170U.S.AIdahoCusterPahsimeroi Valley: valley bottom ca 3.6 mi ENE of Mahogany Hill, 22.3 air mi ESE of Challis.-113.7898844.429971728<25 plants estimated in xeric soil within shrub-steppe vegetation, 3 degree slope, N aspect, alluvial geology. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.8129Joshua J. Irwin2011819231U.S.AIdahoCusterThousand Springs Valley: Thousand Springs recreation site just S of Whiskey Springs, 16.3 air mi NW of Mackay.-113.8416444.083781916<25 plants estimated in xeric fine textured soil within desert scrub vegetation, no slope, alluvial geology. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.89494Ronald L. Hartman2010515135U.S.A.IdahoLemhiBitterroot Range: U.S. Hwy 93, ca 11-11.5 air mi N of Salmon, ca 0.5-1 air mi N of Tower Creek.-113.885445.347338175150Rocky slopes with both sandy soil and loam. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.89576Ronald L. Hartman2010520140U.S.A.IdahoLemhiLemhi Valley and Beaverhead Range: Old Lemhi Road, ca 9-10 air mi SE of Salmon at the junction of Ida Hwy 28 and U.S. Hwy 93, 1/4 air mi NW of Wimpey Creek.-113.728145.10613391439Clayey to sandy slope with sagebrush and some saltbush. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.89699Ronald L. Hartman Joshua J. Irwin2010523143U.S.A.IdahoLemhiRoad to radio towers NE of Salmon, Discovery Hill.-113.877145.191412501350Grassy slopes with eroded areas and disturbed sites Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.89789Ronald L. Hartman Joshua J. Irwin2010523143U.S.A.IdahoLemhiSalmon National Forest: Salmon River Mountains: Jesse Creek Forest Service Facility and along Jesse Creek, ca 2-3 air mi W of Salmon at the intersection of Ida Hwy 28 and U.S. Hwy 93.-113.933845.180613591649Grassy slope and hills on south and east exposures and along creek. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.89828Ronald L. Hartman Joshua J. Irwin2010525145U.S.A.IdahoLemhiSalmon River Mountains: 2.5 mi W of Shoup Bridge, 6.5 mi SSW of the intersection of Ida Hwy 28 and U.S. Hwy 93 in Salmon.-113.943745.081712131576Steep slope to rock outcrop then rolling hills with grasses and sagebrush. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.89881Ronald L. Hartman Joshua J. Irwin2010525145U.S.A.IdahoLemhiLemhi Range: S of Hot Springs Creek, 4.5 air mi ESE of the intersection of Ida Hwy 28 and U.S. Hwy 93 in Salmon.-113.870145.110212321503Exposed slopes, eroded, clayey on west exposure. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.89908Ronald L. Hartman Joshua J. Irwin2010525145U.S.A.IdahoLemhiSalmon National Forest: Salmon River Mountains: Fenster Creek, 2 air mi SW of Carmen on U.S. Hwy 93 N of Salmon.-113.924645.228612501417Creek side and steep slopes. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.90993Ronald L. Hartman201083215U.S.A.IdahoLemhiSalmon National Forest: Beaverhead Mountains: lower Railroad Canyon, 4.4 road mi NE of Leadore on Ida Hwy 29.-113.282544.71311950Limestone outcrops and talus slope to roadside. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.91657Ronald L. Hartman Joshua J. Irwin, Emma E. Stewart2011615166U.S.A.IdahoLemhiSalmon National Forest: Lemhi Range: lower Cow Creek, 4.5 air mi NE of Ellis.-113.9912544.74003314571493On lower steep slope, often in shrubs or on rubble.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.92058Ronald L. Hartman2011816228U.S.A.IdahoCusterChallis National Forest: Southern Salmon River Mountains: ca 3 road mi N of Ida Hwy 75 on Squaw Creek Road, along road for ca 100 m, ca 19.5 air mi SW of Challis.-114.4669544.2799331736Talus slopes and roadside.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4682Emma E. Freeland2013530150U.S.A.MontanaMadisonMadison River and foothills of Gravelly Range: ca 21 air mi S of Ennis, ca 13 air mi NE of Black Butte, ca 1 air mi SW of BLM Ruby Creek Campground.-111.674945.05251692Disturbed grassland near a riverbank. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7692Emma E. Freeland201381213U.S.A.MontanaMadisonMadison Valley: Eight Mile Ford Fishing Access site, ca 4 air mi S of Ennis, along County Road 36.-111.755745.29891536Dry, disturbed grasslands at a fishing access parking lot. Phenology: fruiting.RMUSFS Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4765Michael K. Kirkpatrick2011517137U.S.A.ColoradoMesaColorado River Valley: unnamed side canyon E of De Beque Canyon, N of Kimbell Mesa, ca 21 air mi ENE of Grand Junction.-108.247639.271514931524Sandstone break lands and canyon walls. Phenology: fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.79123B. E. Nelson Lori E. Brummer, Michael Kirkpatrick, Barry C. Johnston201055125U.S.A.ColoradoDeltaEscalante at the junction of Gunnison River and Escalante Creek, ca 10 air mi W of Delta.-108.257338.758414751548Cobblestone benches and slopes below the bluffs. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.79397B. E. Nelson Lori E. Brummer201062153U.S.A.ColoradoMontroseUncompahgre Plateau: above the south side of Shavano Valley just W of Colo Hwy 90, ca 6.5 air mi SW of Montrose.-107.988838.432119141929Weedy flats. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2Lori E. Brummer201055125U.S.A.ColoradoDeltaUpper Wells Gulch and slopes and ridges of lower Grand Mesa, ca 10.5-11.5 air mi NW of Delta.-108.227538.850618292012Rocky wash bottom with basalt boulders in juniper woodland. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.63Lori E. Brummer B. E. Nelson201063154U.S.A.ColoradoMontroseGunnison Gorge National Conservation Area: Eagle Valley Trailhead in Adobe Hills about 5.5 air mi E of Olathe.-107.884338.604217561774Adobe hills. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.99Lori E. Brummer B. E. Nelson201063154U.S.A.ColoradoMontroseGunnison Gorge National Conservation Area: Gunnison Gorge Wilderness: W of Chukar Road, ca 9 air mi E of Olathe.-107.836238.603518291920Sandstone canyon in pinyon/juniper with sandy clay soil. Phenology: flowering & fruiting.RMRM653506 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.254C. H. Refsdal Duane Atwood1994519139U.S.A.WyomingUintaBasins and Mountains of Southwest Wyoming: Oyster Ridge, ca 3.5 air mi SW of Cumberland Gap; ca 3.6 road mi SW of the junction of U.S. Hwy 189 and Wyo Hwy 412 on south side of U.S. Hwy 189.-110.567841.542821342195Sandstone outcrops and ridgetop. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3Michael K. Kirkpatrick B. E. Nelson, Lori E. Brummer201055125U.S.A.ColoradoDeltaGrand Mesa: foothills at west end of the mesa at the end of Wells Gulch Road in upper Wells Gulch, ca 11.5 air mi NW of Delta.-108.216238.864618902067Pinyon/juniper woodland and mixed shrub community on ridges and slopes. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2340Lori E. Brummer201159129U.S.A.ColoradoMontroseBLM land E of Montrose off South Canal Road, ca 6 air mi SE of Montrose.-107.769838.446119352018Adobe hills. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2873Lori E. Brummer2011521141U.S.A.ColoradoMesaKannah Creek Road, ca 3.5 road mi E of U.S. Hwy 50, mesas and hills of lower Grand Mesa.-108.331838.929915641640Desert shrub and grasslands on adobe mesa with basalt boulders. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2931Lori E. Brummer2011521141U.S.A.ColoradoMesaGrand Mesa: Kannah Creek, Spring Camp Trail, ca 18.5 air mi SE of Grand Junction.-108.230738.96118532195Pinyon/juniper woodland. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3130Lori E. Brummer2011527147U.S.A.ColoradoMesaAtwell Gulch area off of V Road, ca 6 road mi WNW of Colo Hwy 330, ca 27 air mi NE of Grand Junction.-108.100339.25118291878Gulch and surrounding hills with scattered pinyon/juniper. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3232Lori E. Brummer2011527147U.S.A.ColoradoMesaPlateau Valley: lower north slopes of Indian Peak, ca 25 air mi NE of Grand Junction.-108.128439.207215971719Scattered juniper and desert grassland on clay hills with sandstone outcrops. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4171Lori E. Brummer2011619170U.S.A.ColoradoMontroseUncompahgre Plateau: Spring Creek Canyon from BLM boundary to West Fork Spring Creek, ca 14 air mi SW of Montrose.-107.951738.391219692365Disturbed area in pinyon/juniper. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4614Lori E. Brummer2011627178U.S.A.ColoradoMontroseUncompahgre Plateau: Temple Park off of Colo Hwy 90, ca 13 air mi SW of Montrose.-108.008838.40282164Pinyon/juniper under power line and along roadside. Phenology: flowering & fruiting.RMRM653502 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2991C. H. Refsdal199493246U.S.A.WyomingLincoln[location and coordinates withheld]20392042Meadow, pasture. Phenology: flowering & fruiting.RMRM921780 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.11003Robert D. Dorn2014528148U.S.A.WyomingGoshenTable Mountain Wildlife Unit: ca 4.5 mi S of Huntley.-104.13166741.8633334200Clay flat, with Bromus and Sisymbrium Flower yellow. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2631bLori E. Brummer2011516136U.S.A.ColoradoDeltaGunnison Gorge National Conservation Area: Pleasure Park, hillsides and mesa top on north side of Pleasure Park Road, ca 13 mi ENE of Delta.-107.832238.791115911634Desert grasslands on sandstone mesa on top of adobe hills. Phenology: flowering & fruiting.RMRM653504 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.806C. H. Refsdal R. H. Lathrop1994612163U.S.A.WyomingUintaBasins and Mountains of Southwest Wyoming: ca 13 air mi SW of Mountain View; ca 4.1 road mi S of County Road 271 on both sides of road.-110.535841.163323412387Cushion plants and sagebrush on gentle slopes. Phenology: fruiting.RMRM653503 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.910C. H. Refsdal1994617168U.S.A.WyomingLincolnBasins and Mountains of Southwest Wyoming: ca 2 air mi E of Opal on north side of U.S. Hwy 30.-110.280541.77762024Flat grasslands with semi-barren sagebrush. Phenology: fruiting.RMRM635680 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.35310B. E. Nelson C. H. Refsdal and Laura Welp1995620171U.S.A.WyomingSweetwaterBasins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: canyon N of North Chimney Rock and E of the Green River, ca 11 air mi S of Green River.-109.416741.380818412100High water area at the mouth of the canyon. Phenology: flowering & fruiting.RMRM635679 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.35383B. E. Nelson C. H. Refsdal and Laura Welp1995620171U.S.A.WyomingSweetwaterBasins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: west side of Flaming Gorge Reservoir between Firehole Canyon and Sage Creek Basin, ca 13 air mi S of Green River.-109.45541.338318411902Sandy dry beach below the high water mark. Phenology: fruiting.RMRM635302 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3273C. H. Refsdal1995516136U.S.A.WyomingSweetwater[location and coordinates withheld]19261951Semi-barren desert hills, salt desert shrubs, green clay soils with chert, some sandy soils. Phenology: flowering & fruiting.RMRM635312 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3485C. H. Refsdal199563154U.S.A.WyomingLincoln[location and coordinates withheld]19811996Eroded semi-barren shaly slopes and ridgetop. Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3508C. H. Refsdal S. Goodrich199565156U.S.A.UtahDaggett[location and coordinates withheld]1939Mancos shale, clay soils, salt desert shrubs. Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3673C. H. Refsdal S. Goodrich199567158U.S.A.UtahDaggettSouthwestern Wyoming and Adjacent Utah: Clay Basin: Pigeon Basin, ca 4.7 air mi NNE of Dutch John; 4 mi E on Browns Park Road from Wyo Hwy 191S on north side of road.-109.347540.995820602085White chalky bluffs, sandy soils. Phenology: flowering & fruiting.RMRM635309 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.3976C. H. Refsdal1995614165U.S.A.WyomingSweetwaterBasins and Mountains of Southwest Wyoming: ca 19 air mi SW of Green River; 1.1 mi W on BLM Road 4315 (Burnt Fork Road).-109.78141.245119692036Rolling semi-barren badlands, sandy soils with chert. Phenology: flowering & fruiting.RMRM961523 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.161Patricia P. Douglas Nancy E. Hastings1999910253U.S.A.WyomingFremontLander Training Area: west end of transect ca 0.9 km E of Smith Creek, ca 3.9 km W of Little Popo Agie River.1658West to southwest-facing slopes (level to 30°); Wyoming big sagebrush/basin big sagebrush with mixed grasses; Frontier formation, silty sandy loam to clay loam with sandstone outcrops; drainage; with Artemisia tridentata, Chrysothamnus nauseosus, C. viscidiflorus, Koeleria macrantha, Aristida purpurea, Bromus inermis. Scattered; ascending, taprooted, annual herb; 15-20 cm tall. Phenology: flowering.RMRM961524 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.10Patricia P. Douglas Nancy E. Hastings1999518138U.S.A.WyomingFremontLander Training Area: ca 1.9 km E of Smith Creek, ca 2.8 km due W of the Little Popo Agie River.1727North-facing slope (up to 35°); Wyoming big sagebrush with mixed grasses; Mowry formation, clay loam; with Artemisia tridentata, Chrysothamnus nauseosus, Antennaria dimorpha, Bromus japonicus, Poa secunda, Koeleria macrantha. Locally common; erect, taprooted, annual herb; 25 cm tall; corolla yellow. Phenology: flowering.RMRM635308 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4472C. H. Refsdal1995627178U.S.A.WyomingUintaBasins and Mountains of Southwest Wyoming: ca 14 air mi ENE of Evanston; 1.6 mi N of I-80, then 1 mi E on access road.-110.766441.192720792128Sagebrush bottoms with wetlands, junegrass. Phenology: flowering & fruiting.RM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.4864C. H. Refsdal199575186U.S.A.UtahDaggett[location and coordinates withheld]21312195Pinyon/juniper woodland, red clay soils, steep slopes. Phenology: flowering & fruiting.RMRM Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.2679B. E. Nelson Ronald L. Hartman1979516136U.S.A.NevadaElkoAlong Dry Fork Jakes Creek on Oneil Basin Road, ca 10 road mi W of U.S. Hwy 93, ca 34.5 air mi N of Wells.1829Sagebrush slopes and flats. Phenology: flowering & fruiting.RMRM635306 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.7730C. H. Refsdal199591244U.S.A.WyomingLincolnBasins and Mountains of Southwest Wyoming: ca 6.8 air mi W of Kemmerer; 2.1 mi S on County Road 328.-110.702241.782220972170Rolling sagebrush hills, clay soils. Phenology: flowering & fruiting.RMRM649809 Lepidium perfoliatumphysical specimenBrassicaceaeLepidiumperfoliatumL.8347Amy J. Roderick1998817229U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Como Lake S of U.S. Hwy 30-287, ca 9 air mi W of Medicine Bow townsite.-106.372141.90762042Greasewood flats; alkaline. Phenology: flowering & fruiting.36003,1,0true