: 1.21 $2024-03-28T21:58:36-7:003.89.56.228searchRMRM784701 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn10034Robert D. Dorn200554124U.S.A.WyomingGoshenFort Laramie National Historic Site.-104.56666742.2183331341Sandy, rocky slope with Yucca, Artemisia frigida. Uncommon; flowers purple. Phenology: flowering.RMRM Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn60803B. E. Nelson Grace Kostel2004517138U.S.A.NebraskaSiouxOglala National Grassland and Vicinity: between Meng Drive and Wright Bench Mark, ca 14 air mi NW of Crawford.-103.608442.821613041390Steep, sandy slopes in ponderosa pine forest. Phenology: flowering.RMRM Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn241Grace M. Kostel2004512133U.S.A.NebraskaDawesOglala National Grassland and Vicinity: Roundtop Mountain, ca 6 miles NW of Crawford.-103.58916742.8227781112Northeast-facing ridge of pine trees and Yucca; ridge is rock covered and soil is extremely sandy; Pinus/Oryzopsis micranthera plant community; woodland. Phenology: flowering & fruiting.RMRM Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn2536Grace M. Kostel2004622174U.S.A.South DakotaPenningtonBuffalo Gap National Grassland and Vicinity: ca 3.5 air mi ESE of Wall and 0.5 mi S of U.S. Hwy 14 on Cottonwood Creek.-102.164543.982167807In Pascopyrum smithii/Nassellus viridula plant community and grass upland on north side of creek in silty soil. Phenology: flowering.RMRM Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn4846Grace M. Kostel20031013286U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: side drainage of Moss Agate Creek, ca 5 air mi NW of Edgemont.-104.020543.36331158Ungrazed drainage; soils on side slopes are gravelly, rocky, and loose; soils in bottom are deep, moist loam. Phenology: flowering.RMRM Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn97Grace M. Kostel200455126U.S.A.South DakotaFall RiverBuffalo Gap National Grassland and Vicinity: 15 air mi NE of Smithwick, U.S. Forest Service Gamet Allotment, at top of unnamed butte.-103.05543.460833640In a Yucca glauca/Calamovilfa longifolia/Schzachyrium scoparium/Carex plant community; soil is sand and silt; site is at and near the roadside. Phenology: flowering.RMRM199200 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn3552C. L. Porter1945619170U.S.A.WyomingPlatteNear Wheatland.-104.958642.054214321463Dry sandy roadsides. Flowers fragrant. Phenology: flowering & fruiting.RMRM199141 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn3693C. L. Porter1945718199U.S.A.WyomingPlatteAlong the Sibyllee Creek.-105.213441.87281585Sandy hillsides, in gullies. Flowers purple. Phenology: fruiting.RMRM204083 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn3841C. L. Porter1946612163U.S.A.WyomingConverse8 mi S of Douglas.-105.259242.70021493Dry rolling hills. Phenology: flowering & fruiting.RMRM215378 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn4896C. L. Porter1949616167U.S.A.WyomingPlatteNear Guernsey Lake.-104.76842.27931341Sandy hills. Flowers reddish-purple. Phenology: flowering & fruiting.RMRM222823 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn5729C. L. Porter1951710191U.S.A.WyomingConverse6 mi SE of Douglas.-105.278542.71331524Clayey eroded badlands. Phenology: fruiting.RMRM236991 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn6241C. L. Porter1953619170U.S.A.WyomingGoshenBetween Wheatland and Veteran.1341Sandy hills between. Phenology: flowering & fruiting.RMRM253708 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn7249C. L. Porter195765156U.S.A.WyomingPlatte10 mi N of Wheatland.-104.967442.19431371Common on the short grass plains and low hills; sandy gravelly, dry soil. Banner purple, wings light lavender to nearly white. Phenology: flowering & fruiting.RMRM253706 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn7253C. L. Porter1957611162U.S.A.WyomingNiobraraNear Van Tassell.-104.088342.66271524Abundant in sand hills. Phenology: flowering.RMRM260267 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn7736C. L. Porter Marjorie W. Porter195966157U.S.A.WyomingConverse3 mi NW of Orin Junction.-105.228242.68091524Locally common on eroded slopes of the sandy badlands. Phenology: flowering & fruiting.RMRM260228 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn7817C. L. Porter Marjorie W. Porter1959623174U.S.A.WyomingCrookDevils Tower National Monument.-104.704744.58521219Bottom land, dry, sandy soil in open cottonwood grove along riverl. Phenology: fruiting.RMRM273103 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn9229C. L. Porter Marjorie W. Porter196363154U.S.A.WyomingCrookDevils Tower National Monument: Devils Tower Campground.-104.706144.58171219Sandy soil among cottonwoods in bottomland. Phenology: flowering & fruiting.RMRM87533 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn21Aven Nelson1902529149U.S.A.WyomingLaramieCheyenne.-104.820241.141859Phenology: flowering.RMRM106429 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn2294J. Francis Macbride191364155U.S.A.WyomingLaramieCheyenne.-104.820241.141859Phenology: flowering & fruiting.RMRM10474 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn2889Aven Nelson1897515135U.S.A.WyomingLaramiePine Bluffs.-104.064241.17231539Phenology: flowering.RMRM10473 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn3661Aven Nelson189777188U.S.A.WyomingLaramieHillsdale.-104.478441.21151722Phenology: fruiting.RMRM41523 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn8841Aven Nelson19025121U.S.A.WyomingLaramieCheyenne.-104.916941.17441859Dry, open slopes. Phenology: flowering.RMRM65373 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn9117Aven Nelson19065121U.S.A.WyomingConverseOrin Junction.-105.197542.656941432Sandy places. Phenology: flowering.RMRM301919 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn466Barry Hammel1977521141U.S.A.WyomingGoshen5 mi N of Fort Laramie.-104.498342.27081310In sandy soil along ravine in grazed land with Phlox andicola and Cymopteris acaulis. Phenology: flowering.RMRM297718 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn3Robert Luce1975513133U.S.A.WyomingGoshenTable Mountain Wildlife Unit.-104.1441.856312191250Sandy upland. Phenology: flowering.RMRM204576 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn65Charles L. Turner194656126U.S.A.WyomingConverseE of Douglas.-105.373642.76181493Dry sandy hills. Phenology: flowering & fruiting.RMRM398026 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorns.n.D. Long J. Von Loh19836152U.S.A.WyomingLaramieF. E. Warren Air Force Base: firebreak west side.-104.876741.15351890Disturbed. Phenology: flowering.RMRM357090 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn3854Erwin F. Evert1982613164U.S.A.WyomingLaramiePine Bluffs Rest Area, S of I-80 at Pine Bluffs.-104.074441.17441539Growing with Calylophus hartwegii, Lathyrus polymorphus, and Penstemon albidus. Phenology: flowering.RMRM209100 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn49F. J. Crider M. D. Atkins1947615166U.S.A.WyomingLaramieCa 8 mi NW of Cheyenne on Phelps Ranch.-104.954241.2191951Phenology: flowering & fruiting.RMRM317181 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn267Francis B. Current1978610161U.S.A.WyomingLaramieHigh Plains Grassland Research Station: 5 air mi NW of Cheyenne.-104.914741.1971859Short grass prairie. Phenology: flowering.RMRM168103 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn1927George E. Osterhout189761152U.S.A.WyomingAlbanyLaramie Plains: along road from Tie Siding to North Park.-105.755341.06742286Phenology: flowering.RMRM1406 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorns.n.Helen Fumiss18926153U.S.A.WyomingLaramieCheyenne.-104.820241.141859Phenology: flowering.RMRM398874 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn18Karin M. Guernsey198761152U.S.A.WyomingLaramieSE of rest area on bluffs, ca 0.8 air mi SW of Pine Bluffs.-104.071141.179415731600Ponderosa pine forest covered east slope. Phenology: flowering.RMRM300534 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn4540Marvin L. Roberts1976524145U.S.A.WyomingLaramieSouthwest side of Pine Bluffs: near roadside rest on I-80.-104.076641.17391615Abundant in gullies and on talus slope. Phenology: flowering.RMRM143387 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn679Marion Ownbey1935621172U.S.A.WyomingLaramieCa 5 mi S of Cheyenne.-104.791541.04971829On the plains. Phenology: flowering & fruiting.RMRM206729 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn3aRobert E. Pfadt194363154U.S.A.WyomingConverseEast of Douglas.-105.196542.761815241615Rangeland. Phenology: flowering.RMRM197372 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorns.n.Robert E. Pfadt1944728210U.S.A.WyomingGoshenCa 12 mi W of Torrington.-104.430942.05451341Phenology: vegetative only.RMRM136272 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn11Reed C. Rollins193164155U.S.A.WyomingConverseCareyhurst: Carey Ranch.-105.6591742.861524Phenology: flowering & fruiting.RMRM576596 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn10454Robert H. Foster1991619170U.S.A.WyomingPlatteCa 17 mi S of Manville along Wyo Hwy 270.-104.694442.56661829Sagebrush grass community. Phenology: flowering.RMRM104090 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorns.n.V. H. Rowland19146152U.S.A.WyomingNiobraraLusk.-104.452242.76251524Phenology: flowering.RMRM602277 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn14724Walter Fertig Jane Struttmann1994522142U.S.A.WyomingAlbanyLaramie Basin: red rocks adjacent to County Road; ca 3 1/4 air mi W of U.S. Hwy 287, ca 15 air mi due S of Laramie.-105.583441.096123042310Artemisia cana grassland on deep coarse red sand derived from adjacent sandstone outcrops. Phenology: flowering.RMRM613302 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn16046Walter Fertig Jane Struttmann1995721202U.S.A.WyomingLaramieSoutheast Plains: north end of Pine Bluffs, ca 1/4-3/4 mi S of Pine Bluffs; ca 1-1 1/4 mi W of Nebraska.-104.073541.167915851615Ponderosa pine-Rocky Mountain juniper savanna on slopes and summits of sandstone-limestone ridges. Phenology: fruiting.RMRM365080 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn16William C. Edwards1983531151U.S.A.WyomingLaramieCampus of Laramie County Community College, SE of Cheyenne.-104.783141.10641859Short prairie grass. Phenology: flowering.RMRM86896 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn121Wright L. Hess1915720201U.S.A.WyomingNiobraraWestern part of the Great Plains Prairie at Jireh.-104.717242.76551631In sandy-silt loam. Phenology: flowering.RMRM397450 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn2820Betsy E. Neely198565156U.S.A.ColoradoWeldNorth Simpson Mesa, 2 mi E of junction with Hwy 85.1798Blue grama and buffalo grass grassland. Phenology: flowering.RMRM207541 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn4121C. L. Porter194754124U.S.A.ColoradoLincolnHugo vicinity: along Big Sandy Creek.1524Sand hills. Phenology: flowering.RMRM80631 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn7E. R. Warren1914727208U.S.A.ColoradoEl PasoColorado Springs.Phenology: fruiting.RMRM117445 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn1105Earl L. Johnston192865157U.S.A.ColoradoWeldCornish.Phenology: flowering.RMRM105285 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn207Earl L. Johnston1926524144U.S.A.ColoradoWeldNW of Glover.Bluffs. Phenology: flowering.RMRM62000 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn471Earl L. Johnston1907U.S.A.Coloradono countyCentral Colorado.Phenology: flowering.RMRM105066 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn80Earl Lynd Johnston192551121U.S.A.ColoradoWeldGrover.Phenology: flowering.RMRM209083 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn49aF. J. Crider M. D. Atkins1947610161U.S.A.ColoradoEl Paso12 mi N of Colorado Springs on U.S. Hwy 85.Road ditch, sandy soil. Phenology: flowering.RMRM506121 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn23550Frederick J. Hermann1971520140U.S.A.ColoradoWeldKeota: 10 mi NE.Gravelly arroyo in prairie. Phenology: flowering.RMRM87150 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn3814George E. Osterhout Ira W. Clokey1920623175U.S.A.ColoradoDouglasGreenland.2135Dry soil. Phenology: flowering.RMRM168102 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn4420George E. Osterhout1896611163U.S.A.ColoradoLoganSterling.Phenology: flowering & fruiting.RMRM168101 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn6027George E. Osterhout1920623175U.S.A.ColoradoDouglasSedalia.Phenology: flowering.RMRM168104 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn738George E. Osterhout1895722203U.S.A.ColoradoEl PasoPalmer Lake.-104.9151639.121762195Phenology: flowering & fruiting.RMUSFS505930 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) DornS-112Leon C. Snyder1938622173U.S.A.ColoradoWeld1646Sandy soil. Phenology: fruiting.RMRM300535 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn4504Marvin L. Roberts1976425116U.S.A.ColoradoKit CarsonLandsman Creek: 3.9 mi W; 12.5 mi N of Burlington.Common on eroded loess bluff. Phenology: flowering.RMRM208667 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn19394Milton Lamm1947511131U.S.A.ColoradoEl PasoAlong old roadsides and in open pastures near Ramah.1981In patches along old road. Phenology: flowering.RMUSFS505929 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn716Paul L. Ginter1942429119U.S.A.ColoradoMorgan5 mi E of Brush, along Hwy 34.131020% south slope; sandy soil; common on sagebrush plains. Phenology: flowering.RMRM530736 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn633Roger L. Williams1988524145U.S.A.ColoradoWeldPawnee Buttes, ca 22.5 air mi ENE of Briggsdale.-103.926740.75461585Rocky slope. Few plants. Phenology: flowering.RMRM358563 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn17282William A. Weber R. C. Barneby198462154U.S.A.ColoradoYuma12 mi N of Wray on east trending side road that ends just W of Laird.Phenology: flowering & fruiting.RMRM734309 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn18520William A. Weber R. C. Witmann1993522142U.S.A.ColoradoLincoln1 mi S of Punkin Center.Roadside. Phenology: flowering.RMRM210025 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn3284William A. Weber194754124U.S.A.ColoradoBaca9 mi S of Pritchett.In sand, with Corydalis; scarce except at this locality. Phenology: flowering.RMRM229186 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn6050William A. Weber1951523143U.S.A.ColoradoSedgwickOvid vicinity.Phenology: flowering.RMRM319124 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn1534B. E. Nelson1978531151U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 14.5 air mi N of Guernsey on Wyo Hwy 270.-104.721142.48691570Common in sandy roadside with Bromus, Trifolium pratense, and Rumex venosus. Phenology: flowering.RMRM319123 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn1541B. E. Nelson1978531151U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 24 air mi N of Guernsey on Wyo Hwy 270.-104.664242.60311646Occasional in sandy clay on roadside with Rumex venosus and Lathyrus polymorphus. Phenology: flowering.RMRM Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn1544B. E. Nelson1978531151U.S.A.WyomingNiobraraSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 7 air mi W of Manville, just N of Keeline off U.S. Hwy 20.-104.757342.7581585In sandy clay on roadside and disturbed areas. Abundant.RMRM319121 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn1624B. E. Nelson197862153U.S.A.WyomingNiobraraSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 18.5 air mi NE of Lusk, Hat Creek Breaks.-104.128742.86971463In sandy roadside and disturbed area with Penstemon angustifolia and Lesquerella. Frequent. Phenology: flowering.RMRM524497 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn11539Keith H. Dueholm1981617168U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Goshen Hole: Dickinson Hill; on north rim of Goshen Hole, ca 13 air mi SE of Wheatland.-104.7241.98031524Eroded, sandy breaks, draws and gullies with juniper. Phenology: fruiting.RMRM524495 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn11593Keith H. Dueholm1981618169U.S.A.WyomingConversePowder River Basin: Flat Top Hill; ca 17 air mi ENE of Douglas.-105.045342.81721646Sandy slopes below caprock of butte, outcrops along edge of butte, sage-grassland on top, sandy plains below; slopes. Phenology: fruiting.RMRM326719 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn1189Keith H. Dueholm Ronald L. Hartman1978521141U.S.A.WyomingConverse[location and coordinates withheld]1493Sagebrush plains in wide flood plain of intemittant stream. Phenology: flowering.RMRM524496 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn11928Keith H. Dueholm1985612163U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 29 air mi NW of Casper.-106.653343.17331737East-west divide, with gently sloping, shaley plains, steep, eroded, shaley north-facing slope of divide, small flat-topped butte, and drainages on slope and shallow drainage on plains; plains. Phenology: flowering & fruiting.RMRM326720 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn5867Ronald L. Hartman Keith Dueholm197863154U.S.A.WyomingConversePowder River Basin: ca 1 mi S of Antelope Creek on County Road 37.-105.32543.471463Rocky badlands, sagebrush plains, and sandy flats; sandy plains. Phenology: flowering & fruiting.RMRM596200 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn24848B. E. Nelson1993519139U.S.A.WyomingPlatte[location and coordinates withheld]13171341Rough breaks with scattered juniper and ponderosa pine and interspersed sandy areas. Phenology: flowering.RMRM596199 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn24881B. E. Nelson1993519139U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: off Sheep Creek or County Road 43, ca 3.5-4 air mi ENE of Torrington.-104.104142.07812801295Old playa and low areas among stabilized sand dunes. Phenology: flowering.RMRM596198 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn24887B. E. Nelson1993519139U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 4 mi N of Prairie Center on County Road 25, ca 35 air mi N of Torrington.-104.200142.572115031512Mixed grass plains. Phenology: flowering.RMRM596197 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn24908B. E. Nelson1993519139U.S.A.WyomingNiobraraSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 2.5 air mi N of Van Tassell on North Van Tassell or County Road 72; ca 18.2 air mi ESE of Lusk.-104.102542.70171493Mixed grass plains. Phenology: flowering.RMRM596196 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn24926B. E. Nelson1993520140U.S.A.WyomingNiobraraSouthern Powder River Basin/Southeastern Plains: Hat Creek Breaks: ca 18 air mi NE of Lusk off S Bar or County Road 62.-104.128942.866515091548Grassland with scattered ponderosa pine at edge of breaks. Phenology: flowering.RMRM596195 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn24966B. E. Nelson1993520140U.S.A.WyomingNiobraraSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: between Alum Creek and Old Woman Creek Hills, ca 19.7 air mi ENE of Lance Creek; ca 25 air mi NNE of Lusk.-104.653443.097112951347Swales and moist sagebrush-grasslands. Phenology: flowering.RMRM596194 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn25222B. E. Nelson1993526146U.S.A.WyomingConverseSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: above Lost Creek on Harris or County Road 58, ca 2.5 air mi S of Lost Springs; ca 23 air mi E of Douglas.-104.942542.731715121530Sandy prairie with scattered patches of sagebrush. Phenology: flowering.RMRM596193 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn25293B. E. Nelson1993526146U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Hartville Uplift: Wildcat Hills: between the heads of Willow and Muskrat creeks, ca 43 air mi NNW of Torrington.-104.606542.5917311786Stony sandstone ridge and upper slopes. Phenology: flowering.RMRM596192 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn25324B. E. Nelson1993526146U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: just NE of Pin Top and Cedar Top on Meadowdale or County Road 143, ca 4.5 mi W of Meadowdale; ca 20 air mi N of Guernsey.-104.783642.559215601585Sandy prairie with occasional stony outcrops. Phenology: flowering.RMRM596191 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn25427B. E. Nelson1993527147U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Goshen Hole: between Horse Creek and Table Mountain on Wyoming Game and Fish Table Mountain Wildlife Management Area, ca 4 air mi SSE of Huntley; ca 14 air mi S of Torrington.-104.1241.8812561268Grasslands on sandy clay soils with marshes and playas. Phenology: flowering & fruiting.RMRM596190 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn25479B. E. Nelson1993527147U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Goshen Hole: Little Red Bill Hill and vicinity, ca 5.5 air mi W of Yoder; ca 15.5 air mi SW of Torrington.-104.406241.912213141339Short grass plains. Phenology: flowering.RMRM596189 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn25518B. E. Nelson1993530150U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Goshen Hole Rim: ca 13.5 air mi N of Chugwater; ca 12 air mi SE of Wheatland.-104.778941.951715241573Rough breaks with conglomerates and cobblestones at upper levels and mudstones and soft sandstones below. Phenology: flowering.RMRM596188 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn25593B. E. Nelson1993613164U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: above Horse Creek just N of Laramie County, ca 12 air mi SW of La Grange; ca 36 air mi SSW of Torrington.-104.373141.566415541585Grassy slopes and swale. Phenology: flowering.RMRM596187 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn25745B. E. Nelson1993614165U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Goshen Hole Rim: northwest end of Bear Mountain, ca 7 air mi SSW of Hawk Springs; ca 27 air mi SSW of Torrington.-104.313941.69215241597Stabilized sand dunes on top of mesa. Phenology: flowering & fruiting.RMRM596186 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn26919B. E. Nelson1993718199U.S.A.WyomingLaramieSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: plains S of head of West Kellehan Creek on Sorenson or County Road 156, ca 5.7 air mi WNW of Albin; ca 38 air mi NE of Cheyenne.-104.207741.43721653Rangeland subjected to "improvement". Phenology: fruiting.RMRM596185 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn26960B. E. Nelson1993718199U.S.A.WyomingLaramie[location and coordinates withheld]15731609Grassy slopes in the rough breaks. Phenology: fruiting.RMRM705379 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30229B. E. Nelson1994517137U.S.A.WyomingNiobraraSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: at head of a branch of Garland Draw on Dixon or County Road 2 ca 2 air mi S of Weston County, ca 18.8 air mi WNW of Mule Creek Junction; ca 50.5 air mi NNW of Lusk.-104.677743.473613101335Rolling plains with a mosaic of sagebrush-grassland and sedge-grassland and occasional sandstone outcrops. Phenology: flowering.RMRM Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30300B. E. Nelson1994517137U.S.A.WyomingWestonSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Roxson Road ca 1/2-3/4 mi N of Weston County, ca 3.3 air mi WSW of Morisey; ca 28.5 air mi SW of Newcastle.-104.452743.51512561292Sandstone capped ridge and adjacent sandy slopes. Phenology: flowering.RMRM705374 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30326B. E. Nelson1994517137U.S.A.WyomingNiobraraSouthern Powder River Basin/Southeastern Plains: Hat Creek Breaks: near the Rest Area on U.S. Hwy 18 and 85, ca 9.3 air mi N of Lusk.-104.409842.894915001524Grassy slopes and flats above the canyons. Phenology: flowering.RMRM705373 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30369B. E. Nelson1994519139U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horseshoe or County Road 59 S of Horseshoe Creek, ca 6 air mi SW of Glendo; ca 27.5 air mi NNW of Wheatland.-105.117942.442614631506Red bed slopes and draws covered with cobblestones. Phenology: flowering & fruiting.RMRM705372 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30389B. E. Nelson1994519139U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horseshoe or County Road 59 at Sand Draw S of Horseshoe Creek, ca 9.5 air mi SW of Glendo; ca 27.5 air mi NNW of Wheatland.-105.175842.427515421554Coarse sand - fine gravel soil in sagebrush-grassland. Phenology: flowering & fruiting.RMRM705371 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30477B. E. Nelson1994519139U.S.A.WyomingPlatteLaramie Mountains: along Fletcher Park or County Road 133 ca 3/4-1 air mi N of the North Laramie River, ca 23 air mi WSW of Guernsey; ca 14 air mi NW of Wheatland.-105.175842.183715001530Slopes and benchland of fine gravelly soils with cobblestones. Phenology: flowering & fruiting.RMRM705370 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30856B. E. Nelson1994526146U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: hills S of the Laramie River and SW of Grayrocks Reservoir, ca 8.8 air mi NE of Wheatland; ca 11.5 air mi SSW of Guernsey.-104.823442.11213621378Steep cobblestone slopes. Phenology: flowering.RMRM705369 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn31432B. E. Nelson1994615166U.S.A.WyomingLaramieSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: between County Road 215 and Union Pacific Railroad tracks, ca 2.3 air mi W of Hillsdale; ca 15.3 air mi NE of Cheyenne.-104.526141.21581737Roadside. Phenology: fruiting.RMRM705368 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn31475B. E. Nelson1994615166U.S.A.WyomingLaramieSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 1 air mi N of Chivington Draw along County Road 226 ca 12.5 air mi N of Burns, ca 28 air mi NE of Cheyenne.-104.382641.374717131716Roadside and fence row adjacent to rolling mixed grass plains. Phenology: fruiting.RMRM596183 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn39564Ronald L. Hartman199371182U.S.A.WyomingPlatte[location and coordinates withheld]15241615Sandstone outcrops and sandy slopes; ponderosa pine and grasslands. Phenology: fruiting.RMRM596182 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn39984Ronald L. Hartman199374185U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: Johnson Reservoir 3, ca 6 air mi NNW of Wheatland.-104.99542.12561371Sandy slopes and lake margin. Phenology: fruiting.RMRM596181 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn40824Ronald L. Hartman1993711192U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34 and I-25 interchange, ca 7 mi S of Wheatland.-104.951741.96751493Sandy slopes and stream bottom. Phenology: fruiting.RMRM596184 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn41145Ronald L. Hartman1993713194U.S.A.WyomingLaramieSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: north end of Cheyenne at Wyo Hwy 211 and I-25 interchange.-104.836941.22531920Plains and roadside. Phenology: fruiting.RMRM705378 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30236B. E. Nelson1994517137U.S.A.WyomingWestonSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Cheyenne River Road N of The Nose on the Cheyenne River, ca 3 air mi E of Hampshire; ca 31 air mi SW of Newcastle.-104.632243.571612621274Bluffs along the river with sandy soil and sandstone above, clay on the slopes and below. Phenology: flowering & fruiting.RMRM705377 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30254B. E. Nelson1994517137U.S.A.WyomingWestonSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Grieves Road ca 1/2-3/4 air mi N of Lodgepole Creek Crossing, ca 7.5 air mi E of Hampshire; ca 28.5 air mi SW of Newcastle.-104.572443.571612161237Borrow pit. Phenology: flowering.RMRM705376 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30272B. E. Nelson1994517137U.S.A.WyomingWestonSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: above a draw leading into South Fork Lone Tree Creek, off Grieves Road, ca 20.5 air mi SW of Newcastle.-104.552443.713212801301Sandy open slopes below sandstone outcrops and ridges. Phenology: flowering.RMRM705375 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30300B. E. Nelson1994517137U.S.A.WyomingWestonSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Roxson Road ca 1/2-3/4 mi N of Weston County, ca 3.3 air mi WSW of Morisey; ca 28.5 air mi SW of Newcastle.-104.452743.51512561292Sandstone capped ridge and adjacent sandy slopes. Phenology: flowering.RMRM141973 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn1Marion Ownbey193364155U.S.A.WyomingCrookHulett.-104.585144.6971158Sandy river banks. Phenology: flowering.RMRM Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn71980B. E. Nelson Bernadette Kuhn2007614165U.S.A.ColoradoBacaComanche National Grassland: at the intersection of County roads 13 and U, ca 8.5-9 air mi S of Pritchett; ca 16.5 air mi SW of Springfield.-102.849437.24951457Sandsage rangeland with large areas of Bromus tectorum and areas of barren sand. Phenology: fruiting.RMRM Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn13052Brian Elliott2004515136U.S.A.ColoradoOteroComanche National Grassland: ca 16 mi S of La Junta, ca 5 mi W of Vogel Canyon on bluffs above the junction of Forest Road 350 and Rourke Road.-103.619537.75791463On an east-west ridge with limestone soil; with scattered juniper and Yucca glauca in Oryzopsis-Hilaria grassland. Phenology: flowering.RMUSFS506120 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn1795Ralph K. Gierisch1956525146U.S.A.NebraskaSiouxCa 10 mi S of Agate.1280Slope 10% west; sandy loam soil; associated with Carex, Poa, Stipa. Abundance scarce. Phenology: flowering.RMRM168100 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn7224George E. Osterhout1930620171U.S.A.NebraskaSiouxHarrison: Munro Canyon.Phenology: flowering.RMRM209139 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn49bF. J. Crider M. D. Atkins1947712193U.S.A.NebraskaDawes9 mi S of Chadron on U.S. Highway 19.Pine timber slope. Phenology: fruiting.RMRM938048 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn4242Bonnie Heidel2016612164U.S.A.WyomingLaramieLaramie Range: Belvoir Ranch, S of Lone Tree Creek, ca 15 air mi SW of Cheyenne.-105.130541.0912164Prairie draw in gentle foothills, above small south-facing outcrop.RMRM957913 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn30Nancy E. Hastings2013617168U.S.A.WyomingPlatteCamp Guernsey: on hill crest and slope, north end of transect ca 1.9 km due E of Emigrant Hill Road, 1.8 km SW of Range Guard 1.1600Hillcrests and slopes; mixed grass prairie; limestone cobbles in silty loam; with Koeleria macrantha, Calochortus nuttallii, Oenothera albicaulis, Delphinium geyeri, Parthenium alpinum, Hesperostipa comata, Bromus japonicus, Poa spp. Scattered; ascending to erect, perennial herb; to 5 dm tall; corolla purple. Phenology: flowering & fruiting.RMRM957886 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn65Patricia P. Douglas B. E. Nelson, Carlos A. Popolizio, Rosalie M. Smith1995612163U.S.A.WyomingPlatteCamp Guernsey: ca 0.5 km W of North Platte River, ca 0.2 km N of Cottonwood Creek.1384Rolling hills; mixed grassland; sandy loam; wiith Artemisia frigida, A. cana, Camelina microcarpa, Penstemonm albus, Stipa comata. Infrequent; erect to sprawling, rhizomatous herb; 15-20 cm tall; corolla bicolored magenta. Phenology: flowering.RMRM957849 Lathyrus polymorphus var. incanusphysical specimenFabaceaeLathyruspolymorphusvar. incanus(J. G. Sm. and Rydb. ex Rydb.) Dorn98Patricia P. Douglas B. E. Nelson, Carlos A. Popolizio, Rosalie M. Smith1995613164U.S.A.WyomingPlatteCamp Guernsey: Broom Creek Canyon, ca 0.8 km S of Patten Creek, ca 0.8 km SE of Spring Creek.1469Ephemeral creek and canyon walls; canyon walls and slopes; sandy loam creek bottom and calcareous sandstone walls; with Bromus inermis, Pinus ponderosa, Juniperus scopulorum, Ribes spp. Locally common; erect then sprawling, perennial herb; 20-30 cm tall; corolla magenta, dark and light. Phenology: flowering.36003,1,0true