: 1.21 $2024-03-29T05:11:57-7:003.91.79.134searchRMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh56430B. E. Nelson Peter Ebertowski200269160U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: on the divide between Cottonwood and Horse creeks along Cheyenne River Road and S, ca 39.5 air mi SW of Newcastle.-104.890443.572613291384Mosaic of sagebrush-sedge-grassland. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh56553B. E. Nelson Peter Ebertowski200269160U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: along Rochelle Hills or Forest Road 933 above Sauerkraut Draw, ca 52.5 air mi NNE of Douglas; ca 20 air mi NNEof Bill.-105.050743.470613781396Sagebrush and grasslands. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh56629B. E. Nelson Peter Ebertowski2002611162U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: on the divide between Lake and Meadow creeks and to the W, ca 14 air mi NE of Bill; ca 46 air mi NNE of Douglas.-105.070643.384413841414Clay slopes with scattered sagebrush, greasewood, and grassy areas. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh57046B. E. Nelson Peter Ebertowski2002616167U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: between a tributary of Dugout Creek and the railroad tracks, ca 2.5 air mi E of Wyo Hwy 59, ca 41.5 air mi N of Douglas; ca 9 air mi NNW of Bill.-105.330343.355714171426Sagebrush on sandy clay areas with sandy patches. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh276Peter J. Ebertowski B. E. Nelson2002620171U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: Cow Camp on Buck Creek, off of Forest Road 926, ca 25 air mi E of Wright; ca 41 air mi WSW of Newcastle.-105.010143.756813411371Sagebrush/grassland. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3757Peter J. Ebertowski2003525145U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: ridge between Wildlife Draw and Rock Creek near intersection of Forest roads 923 and 924, ca 30 air mi E of Wright; ca 34 air mi W of Newcastle.-104.890443.756813901439Grassland with rocky outcrops and broad ravines. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3801Peter J. Ebertowski2003525145U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: ridge and ravines E of Fields Draw, off dirt road, ca 34 air mi ESE of Wright; ca 32 air mi WSW of Newcastle.-104.830643.671813291359Broad ravine in grassland. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3882Peter 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: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4071Peter J. Ebertowski2003530150U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: badlands ca 1 mi NW of Soda Well, on Forest Road 1247B, ca 31 air mi NNE of Gillette; ca 34 air mi NNW of Moorcroft.-105.278544.702611761250Sagebrush grassland, with ravines containing ponderosa pine and Rocky Mountain juniper. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4165Peter J. Ebertowski200362153U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: hills forming southwest portion of Archie Draw on Forest Road 962, ca 13 air mi ENE of Bill; ca 26 air mi NW of Lance Creek.-105.010743.283914481478Broad grassy ravine dominated by Poa pratensis and Thermopsis rhombifolia. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4184Peter J. Ebertowski200362153U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: grassland S of Middle Creek on County Road 45, ca 18 air mi E of Bill; ca 46 air mi SE of Wright.-104.910943.269513561371Clay/silt soil on slope above creek. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4367Peter J. Ebertowski200366157U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: ridge along Lodgepole Creek on Cheyenne River or County Road 54, ca 24 air mi SW of Newcastle; ca 52 air mi ESE of Wright.-104.511443.572612561286Carex filifolia grassland. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4799Peter J. Ebertowski2003614165U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: Lake Creek on County Road 38, ca 10 air mi NE of Bill; ca 35 air mi SE of Wright.-105.110643.341314021426Sagebrush grassland with yucca patches and clay balds. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4846Peter J. Ebertowski2003614165U.S.A.WyomingNiobraraThunder Basin National Grassland and Vicinity: hills between Snyder and Dogie creeks, on North Lance Creek or County Road 14, ca 43 air mi SW of Newcastle; ca 25 air mi NNW of Lance Creek.-104.762543.383813411365Sagebrush grassland. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5034Peter J. Ebertowski2003618169U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: hills S of and draining to West Fork Fiddler Creek on Upton - Fairview or County Road 59, ca 11 air mi S of Upton; ca 22 air mi WNW of Newcastle.-104.65143.935913041341Swale of sagebrush grassland. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5177Peter J. Ebertowski2003620171U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: hills W of Little Powder River on Wyo Hwy 59, ca 7 air mi S of Montana; ca 43 air mi N of Gillette.-105.385544.901810671085Stipa comata grassland in sandy soil, Opuntia ubiquitous. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5431Peter J. Ebertowski2003627178U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: flat off Wyo Hwy 59, ca 1.7 air mi NW of Bill; ca 35 air mi N of Douglas.-105.290343.255214421451Sagebrush grassland, with sandy soil and abundant Opuntia. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5570Peter J. Ebertowski2003627178U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: Belle Fourche River off Hilight or County Road 52, ca 16 air mi N of Wright; ca 22 air mi S of Gillette.-105.394943.97813871408Sagebrush grassland. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5757Peter J. Ebertowski200371182U.S.A.WyomingWestonThunder Basin National Grassland and Vicinity: Mush Creek Oil Field W of Coyote Draw, on two-track road off of Wyo Hwy 450, ca 14 air mi WSW of Newcastle; ca 23 air mi SSE of Upton.-104.491543.770912831314Grassland, Carex filifolia and Stipa comata abundant. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5846Peter J. Ebertowski200371182U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: low hills N of Little Thunder Creek and Hansen Draw, on gravel road near gas processing plant, ca 21 air mi E of Wright; ca 44 air mi W of Newcastle.-105.089943.685913901432Sagebrush grassland, Bouteloua gracilis abundant. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6044Peter J. Ebertowski200375186U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: grassland SE of Reed and Bruce draws, on Dull Center or County Road 38, ca 5.5 air mi NE of Bill; ca 37 air mi NNE of Douglas.-105.170543.269514351451Sagebrush grassland, Elymus smithii and Bouteloua gracilis abundant. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6076Peter 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.-105.070643.240814021426Sagebrush grassland with scattered greasewood. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6132Peter J. Ebertowski200375186U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: Cow Creek Buttes along and including Owl Creek, on four wheel drive road off Forest Road 958, ca 15 air mi E of Bill; ca 39 air mi NNE of Douglas.-104.950843.240813711463Sagebrush grassland, Bouteloua gracilis abundant. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6507bPeter J. Ebertowski2003711192U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: TA Buttes on two-track road off Union Chapel Road, ca 6 air mi SE of Gillette; ca 4.5 air mi S of Wyodak.-105.398744.223413901463Mosaic of sagebrush grassland and grassland. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh79865Ronald L. Hartman2004822235U.S.A.ArizonaCoconinoSitgreaves National Forest: Forest Road 34 (continuation of Ariz Hwy 99) at Forest Road 75, ca 68 air mi SSW of Winslow.-110.957234.46762243Roadside and adjacent ponderosa pine understory. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh63978B. E. Nelson James F. Fowler2005423113U.S.A.ArizonaYavapaiKaibab National Forest: along Johnson Creek and adjacent areas just W of Ariz Hwy 89, ca 1.5 air mi S of Ash Fork.-112.474435.199615481554Open areas among juniper. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh67239B. E. Nelson2005921264U.S.A.ArizonaGreenleeApache National Forest: just W of Horton Creek and S of Forest Road 26, ca 1.5 air mi SSE of Sprucedale; ca 28.5 air mi S of Springerville.-109.320133.71952347Moist, open ponderosa pine or ponderosa pine/Douglas fir forest. Phenology: flowering.RMRM818432 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh33024Erwin 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: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh69856B. E. Nelson James F. Fowler2006824236U.S.A.ArizonaCoconinoKaibab National Forest: Barney Flat at the intersection of Forest Road 108 and County Road 73, ca 6 air mi S of Williams.-112.157635.16432137Forb meadow and adjacent roadside. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh70057B. E. Nelson James F. Fowler, Brian Reif2006825237U.S.A.ArizonaNavajoSitgreaves National Forest: Mogollon Plateau: Wildcat Canyon above Forest Road 504, ca 10.5 air mi NW of Heber; ca 25.5 air mi S of Winslow.-110.728434.540219721993Canyon bottom, walls, and slopes on limestone. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh77405Ronald L. Hartman Jeanette Flaig2003618169U.S.A.ColoradoConejosEastern San Juan Mountains: 2.5 road mi at Colo Hwy 17.-106.182237.05372530Roadside. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3268Jeanette Flaig2004524145U.S.A.ColoradoConejosEastern San Juan Mountains: SE of Terrace Reservoir, 21 air mi SSW of Monte Vista.-106.275237.35332584Pinyon pine woodland with rock outcrops near ridge. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4198Jeanette Flaig2004615167U.S.A.ColoradoConejosEastern San Juan Mountains: just N of Hot Creek State Wildlife Area and E of Ojito Creek and Piedrosa Canyon, 5 air mi ENE of Centro.-106.223637.30052549Northeast-facing slope in juniper/pinyon woodland with rock outcrops in thin rocky soil. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5179Jeanette Flaig200475187U.S.A.ColoradoRio GrandeEastern San Juan Mountains: Limekiln Peak, Old Spanish Trail, Limekiln, SW of Sevenmile Plaza, 7.5 air mi SE of Del Norte.-106.280537.61832577Summit of rocky knob and roadside. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5181Jeanette Flaig200475187U.S.A.ColoradoRio GrandeEastern San Juan Mountains: Limekiln Peak, Old Spanish Trail, Limekiln, SW of Sevenmile Plaza, 7.5 air mi SE of Del Norte.-106.280537.61832577Summit of rocky knob and roadside. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh70889B. E. Nelson James F. Fowler200693246U.S.A.ArizonaApacheApache National Forest: White Mountains: along Benny Creek, ca 1 air mi W of south end of Greer, ca 14.5 air mi SW of Springerville.-109.478134.000927592786Roadside. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh70917B. E. Nelson James F. Fowler200694247U.S.A.ArizonaApacheApache National Forest: north end of C C Flat on Forest Road 61, ca 12.5 air mi W of Springerville.-109.635934.128326762682Open ponderosa forest and adjacent meadow. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh83869Ronald L. Hartman James F. Fowler2006913256U.S.A.ArizonaCoconinoCoconino National Forest: Rim Road at edge of Mogollon Rim, just W of intersection with Buck Springs Road.-111.168234.40342378Burned rim area, formerly ponderosa pine, flats and upper slopes. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh83918Ronald L. Hartman James F. Fowler2006913256U.S.A.ArizonaCoconinoCoconino National Forest: cattle loading pens across from Limestone Ranch turnoff (Forest Road 137).-111.123734.49062225Disturbed area. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh84765Ronald L. Hartman2006921264U.S.A.ArizonaNavajoSitgreaves National Forest: Black Canyon along Forest Road 86, ca 5.5 air mi SW of Heber.-110.644734.36842073Stream bottom. Phenology: fruiting.RMRM172540 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1624Aven Nelson Ruth A. Nelson1935424114U.S.A.ArizonaGrahamGraham Mountains.-109.8603932.656315242743Phenology: flowering.RMRM187114 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2803C. L. Porter194132180U.S.A.ArizonaYavapai5 mi N of Cottonwood; near the Verde Valley.-111.9584334.804721189Sandy soil. Phenology: flowering.RMRM2810 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh10864D. T. MacDougal1891611162U.S.A.ArizonaCoconinoNorthern Arizona; Cedar Ranch.-111.7850935.54291981Phenology: flowering.RMRM58703 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh12575E. O. Wooton1905426116U.S.A.New MexicoDona AnaMesilla Valley.-106.703932.154611281798Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1072Grace M. Kostel200461153U.S.A.South DakotaPenningtonBuffalo Gap National Grassland and Vicinity: ca 4.5 air mi SSE of Scenic on Forest Road 7172, near the Cheyenne River.-102.49683343.7195884On revegetated and stabilized sand dunes of the river. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2773Grace M. Kostel2004625177U.S.A.South DakotaCusterBuffalo Gap National Grassland and Vicinity: ca 17-17.5 air mi SE of Hermosa and 1.5-2 mi NNW of Red Shirt and 1-1.5 mi W of SD Hwy 40.-102.90666743.693833853899In draws and on ridge tops. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3301Grace M. Kostel200472184U.S.A.South DakotaCusterBuffalo Gap National Grassland and Vicinity: ca 14.5-15 air mi SE of Hermosa and 2.4 mi N of County Road 18.-103.00543.702333853945Butte rock slopes and top. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4849Grace 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 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh920Grace M. Kostel2004530151U.S.A.NebraskaSiouxOglala National Grassland and Vicinity: ca 21-22 air mi NNW of Crawford and 1-2 mi E of Hat Creek Road on Forest Road 925.-103.64942.93811121128In prairie dog town with soil ranging from sand, silt to clay. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5017Grace M. Kostel2005527147U.S.A.South DakotaPenningtonBuffalo Gap National Grassland and Vicinity: ca 19.5-20 air mi SSW of Wall.-102.31548343.71205807823On a mesa top and northeast facing slopes, soils are sand. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5078Grace M. Kostel2005528148U.S.A.South DakotaPenningtonBuffalo Gap National Grassland and Vicinity: ca 13 air mi SW of Wall and 3/4 mi E of Sage Creek Road in Bear Creek.-102.50833343.795167891Deep white-clay drainage. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5201Grace M. Kostel2005530150U.S.A.South DakotaPenningtonBuffalo Gap National Grassland and Vicinity: ca 1 air mi SSE of Wall and adjacent to the Badlands National Park boundary line fence.-102.23016743.887167914929Badlands cliffs; upland soils are of clay loam with cliff edges eroding into clay layers. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5325aGrace M. Kostel200561152U.S.A.South DakotaPenningtonBuffalo Gap National Grassland and Vicinity: Indian Creek Wilderness Area: ca 6 air mi due W of Scenic.-102.66983343.777167860On rock and gravel strewn clay buttes in red bed soils of iron and magnesium. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7304Grace M. Kostel2005622173U.S.A.South DakotaPenningtonBuffalo Gap National Grassland and Vicinity: ca 6-6.5 air mi SE of Wall.-102.16016743.920067829On a flat mesa top strewn with rock having a water filled closed depression on summit. Phenology: fruiting.RMRM92336 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2229George L. Fisher191155125U.S.A.New MexicoQuayNara Visa.-103.100235.607791280Phenology: flowering.RMRM943462 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1094Jill E. Larson2005615166U.S.A.New MexicoTaosCarson National Forest and Vicinity: Forest Road 556, ca 3.5 air mi SE of Ojo Caliente.-105.987136.27771966Pinyon/juniper woodland. Phenology: flowering & fruiting.RMRM943465 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh246Jill E. Larson2005528148U.S.A.New MexicoTaosCarson National Forest and Vicinity: Cerro Azul, Forest Road 157, ca 5.5 air mi S of Taos Junction.-105.389236.29022179Sandy flats with pinyon/juniper and northeast aspect of rocky slope. Phenology: flowering.RMRM943464 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh301Jill E. Larson2005528148U.S.A.New MexicoRio ArribaCarson National Forest and Vicinity: Canada de los Commanches, ca 4 air mi E of La Madera.-105.950836.37812088Sagebrush flats, side drainage and mesa top with pinyon/juniper woodland. Phenology: flowering & fruiting.RMRM943463 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh825Jill E. Larson200567158U.S.A.New MexicoRio ArribaCarson National Forest and Vicinity: Forest Road 106 near Borracho Ranger Station, ca 1.5 air mi W of Vallecitos.-106.136136.495422862408Pinus ponderosa forest and canyon bottom. Phenology: flowering & fruiting.RMRM943461 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh80596Ronald L. Hartman Jill E. Larson2005518138U.S.A.New MexicoTaosCarson National Forest and Vicinity: La Junta Campground above Rio Grande and down switch backs to Rio Grande.-105.686936.655420122256Southwest exposure, rocky to rim rock with bench below. Phenology: flowering.RMRM943460 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh81084Ronald L. Hartman Jill E. Larson2005527147U.S.A.New MexicoRio ArribaCarson National Forest and Vicinity: U.S. Hwy 285, ca 3.5 air mi NE of Ojo Caliente.-106.005136.330819511981Sandy wash and slopes. Phenology: flowering.RMRM943459 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh81114Ronald L. Hartman Jill E. Larson2005527147U.S.A.New MexicoRio ArribaCarson National Forest and Vicinity: U.S. Hwy 285, ca 3.5 air mi NE of Ojo Caliente.-106.005136.330819511981Sandy wash and slopes. Phenology: flowering.RMUSFS518358 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh32J. N. Kimmel192486219U.S.A.New MexicoCatronDatil National Forest: Mangas Ranger Station pasture.-108.355834.095592317Level slope; sandy loam soil. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1067Margarette J. Lyon1993520140U.S.A.ColoradoMontroseSan Miguel and lower Dolores River Drainages: San Miguel River Drainage: ca 2 air mi SSE of Uravan.-108.731338.34331707On Morrison and Dakota formation, slopes and mesa top, with pinyon, juniper, Astragalus rafaelensis and A. lonchocarpos. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2566Margarette J. Lyon1993814226U.S.A.ColoradoSan MiguelSan Miguel and lower Dolores River Drainages: San Miguel River Drainage: Sunshine Mesa and South Fork of San Miguel River, on old railroad grade.-107.902737.88642743In aspen, Douglas fir and spruce forest. Phenology: flowering & fruiting.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2649Margarette J. Lyon Lynn Moore1994411101U.S.A.ColoradoMesa[location and coordinates withheld]1402Sandy, southwest-facing slopes with Sarcobatus and Atriplex. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2708Margarette J. Lyon199456126U.S.A.UtahGrandSan Miguel and Lower Dolores River Drainages: Dolores River Drainage: Dewey: confluence of Dolores and Colorado Rivers.-109.287138.81931250Roadside on red sandy soils and slickrock. Phenology: flowering & fruiting.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2714Margarette J. Lyon199456126U.S.A.UtahGrandSan Miguel and Lower Dolores River Drainages: Dolores River Drainage: Dewey: confluence of Dolores and Colorado Rivers.-109.287138.81931250Roadside on red sandy soils and slickrock. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2802Margarette J. Lyon199459129U.S.A.ColoradoMontroseSan Miguel and Lower Dolores River Drainages: roadside.-108.879138.4311554Riparian area with Populus angustifolia, Populus acuminata, and Populus deltoides. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3068Margarette J. Lyon1994513133U.S.A.ColoradoMesaSan Miguel and Lower Dolores River Drainages: Dolores River Drainage: bench NE of the Dolores River.-109.024938.74771463With Coleogyne and Lepidium. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3071Margarette J. Lyon1994513133U.S.A.ColoradoMesaSan Miguel and Lower Dolores River Drainages: Dolores River Drainage: bench NE of the Dolores River.-109.024938.74771463With Coleogyne and Lepidium. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3209Margarette J. Lyon1994516136U.S.A.ColoradoMesaSan Miguel and Lower Dolores River Drainages: Wildcat Trail #640, S from Colo Hwy 141; ca 1 air mi W of Unaweep Divide.-108.66938.77692195With oak, pinyon, juniper, sage, and mountain mahogany. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3365Margarette J. Lyon1994520140U.S.A.ColoradoMontroseSan Miguel and Lower Dolores River Drainages: Sawtooth Ridge, ca 3.5 air mi W of Naturita.-108.63938.22631829Disturbed area with pinyon, juniper, Artemisia nova, Hymenoxys, and Stenotus. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3491Margarette J. Lyon1994526146U.S.A.UtahGrandSan Miguel and Lower Dolores River Drainages: Buckhorn Draw.-109.179139.55581402Stream bed in dry, sandy wash with pinyon and juniper. Phenology: flowering & fruiting.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3549Margarette J. Lyon1994531151U.S.A.ColoradoMesaSan Miguel and Lower Dolores River Drainages: ca 0.2 mi NW of Gateway Community Center.-108.9738.68491400Sandy soils with Atriplex, Sarcobatus, Abronia and Opuntia. Phenology: flowering & fruiting.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4953Margarette J. Lyon1994623174U.S.A.ColoradoMesaSan Miguel and Lower Dolores River Drainages: Uncompahgre Plateau: Columbine Pass.-108.988538.61222134With Artemisia, juniper, and pinyon on dry, sandy soils. Phenology: flowering & fruiting.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5602Margarette J. Lyon199478189U.S.A.ColoradoMesaSan Miguel and Lower Dolores River Drainages: Uncompahgre Plateau: mesa.-108.631638.74772500Mesa with ponderosa pine and aspen. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7600Margarette J. Lyon1994820232U.S.A.ColoradoMesaSan Miguel and Lower Dolores River Drainages: Uncompahgre Plateau.-108.600438.68492704Mesa with Artemisia and widely scattered pinyon and ponderosa. Phenology: flowering.RM708611 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1482Lynn Marie Moore Marie Rambo199459129U.S.A.ColoradoSan MiguelUpper Dolores River Drainage and Adjacent Areas: small unnamed canyon, W of Slick Rock gas station, off County Road-108.910938.03141750Pinyon-juniper zone with Rosa, Ephedra and Cercocarpus in cryptogamic soil; rimrock pavement and sandstone. Phenology: flowering.RM708679 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1533Lynn Marie Moore Marie Rambo1994511131U.S.A.ColoradoMontezumaUpper Dolores River Drainage and Adjacent Areas: ca 21 air mi NNW of Cortez, adjacent to Hovenweep National Monument; bike trail off County Road 10, NE of Square Tower Ruins.-109.021137.43521700Pinyon-juniper zone with antelope brush and Artemisia in cryptogamic soil and rimrock pavement. Phenology: flowering & fruiting.RM714653 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4211Lynn Marie Moore1995521141U.S.A.ColoradoMontroseUpper Dolores River Drainage and Adjacent Areas: Paradox Valley Area, ca 16 air mi W of Nucla on Davis Mesa along County Road DD16.-108.823738.284818591951Pinyon-juniper, Cercocorpus, Amelanchier, sagebrush, cryptogrammic soil on a north-facing slope. Phenology: flowering.RM714654 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4282Lynn Marie Moore1995521141U.S.A.ColoradoMontroseUpper Dolores River Drainage and Adjacent Areas: ca 18 air mi W of Nucla at Bedrock Boat Launch along Dolores River, County Road Y9.-108.897638.29941585Along canyon walls and washes on east facing slopes with pinyon-juniper. Phenology: flowering.RM714669 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4443Lynn Marie Moore1995525145U.S.A.ColoradoMontroseUpper Dolores River Drainage and Adjacent Areas: Island Mesa, unmarked road just N of the county line, ca 24 air mi SW of Nucla.-108.897638.29942073Pinyon-juniper, Ephedra, Yucca, and Purshia on a northeast facing slope and ridge top. Phenology: flowering.RM714670 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5042Lynn Marie Moore199566157U.S.A.ColoradoSan Miguel[location and coordinates withheld]1737Artemisia, Atriplex, and Stipa on southeast facing slopes. Phenology: flowering.RM714655 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5062Lynn Marie Moore199566157U.S.A.ColoradoSan Miguel[location and coordinates withheld]1737Artemisia, Atriplex, and Stipa on southeast facing slopes. Phenology: flowering.RM714656 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5496Lynn Marie Moore1995617168U.S.A.ColoradoMontroseUpper Dolores River Drainage and Adjacent Areas: ca 18 air mi NW of Naturita, ca 2.5 air mi S of Bedrock, east-side of Dolores River Canyon.-109.008438.28481524Pinyon-juniper, Artemesia, and Fendlera on the east facing slope of the west side of the canyon. Phenology: flowering.RM714657 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5943Lynn Marie Moore1995622173U.S.A.ColoradoDoloresUpper Dolores River Drainage and Adjacent Areas: ca 4 air mi NE of Dove Creek near Dove Creek Pump Station along the Dolores River, County Road 10.00.-108.800937.828418291859Riparian area and canyon slopes with Rhus, Quercus, ponderosa, pinyon-juniper, Apocynum, poison ivy, and boxelder; east facing slope. Phenology: flowering.RM714651 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh50683Ronald 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.RM714652 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh50802Ronald L. Hartman1995527147U.S.A.ColoradoMontezumaUpper Dolores River Drainage and Adjacent Areas: ca 25 air mi WSW of center of Cortez.-109.03637.247315541585Sandstone caprock, canyons, some shale below, and an active sand dune; pinyon-juniper and grasslands. Phenology: flowering.RMRM768026 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1186Sarah Nunn2001611162U.S.A.ColoradoLarimerRoosevelt National Forest: Front Range: bordering Cherokee Park State Wildlife Area on Cherokee Park or County Road 80C, on trail to Turkey Roost, ca 26 air mi NNW of Fort Collins.-105.42940.89392286Low foothills with Sisymbrium, Astragalus, Rhus, and Juniperus in the shallow gulleys. Phenology: flowering.RMRM55470 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh112O. B. Metcalfe190369160U.S.A.New MexicoGrantMangas Springs, 18 mi NW of Silver City.-108.510932.84231454Phenology: flowering.RMUSFS518351 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh346Paul B. Lister1923413103U.S.A.New MexicoDona AnaJornada Range Reserve: pasture 5; 100 yards W of office.-106.7417932.61741310Level slope; sandy soil; weed-grass type. Phenology: flowering.RMUSFS518359 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh151Paul H. Roberts M. W. Talbot191588220U.S.A.New MexicoCatronDatil National Forest: Jewett Ranger Station.-108.6317933.97522225Flat slope; moist sandy soil; Yellow Pine type. Phenology: flowering.RMRM247811 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6721C. L. Porter195576187U.S.A.WyomingGoshenNear the east side of Rawhide Buttes and W of U.S. Hwy 85.-104.438942.57411585In the sand hills between Lingle and Lusk. Flowers white. Phenology: flowering.RMRM253781 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7250C. L. Porter195765156U.S.A.WyomingPlatte10 mi N of Wheatland.-104.967442.19431371Short grass plains and low hills; sandy-gravelly, dry soil. Flowers white. Phenology: flowering.RMRM811662 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4510Brian Reif2003529149U.S.A.New MexicoSandovalSanta Fe National Forest and Vicinity: Jemez Mountains: 5 air mi WNW of Cuba, just E of retention dam #13 at forest boundary. W 0.2 air mi to road.-107.029136.051821892213A shallow concave, grassy basin with scattered ponderosa pine and sagebrush surrounded by soft sandstone bluffs and with sandy soils; drainage. Phenology: flowering & fruiting.RMRM811661 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4765Brian Reif200362153U.S.A.New MexicoSanta FeSanta Fe National Forest and Vicinity: Sangre de Cristo Mountains: headwaters of Padre Spring Creek on Forest Road 326, 3.5 air mi S of Glorieta.-105.767435.531222622274A broad, shallow grassy drainage running SE, slope of ca 2 deg, with pinyon/juniper encroaching from surrounding ridges. Phenology: flowering.RMRM811657 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh61620B. E. Nelson2004711193U.S.A.New MexicoSan MiguelSanta Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: along Arroyo Leguino just below the northwest end of Mesita de los Ladrones, ca 7.5-8 air mi E of Villanueva; ca 21 air mi S of Las Vegas.-105.221435.288416981707Sandy flat valley floor above the arroyo. Phenology: flowering & fruiting.RMRM811660 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh9555Brian Reif2004529150U.S.A.New MexicoSanta FeSanta Fe National Forest and Vicinity: Sangre de Cristo Mountains: Glorieta Mesa: Forest Road 326 at west forest boundary, within 0.3 air mi of N35.517 W105.804.-105.80435.51722252256Pinyon-juniper woodland with open, park-like grassy drainages. Phenology: flowering & fruiting.RMRM811659 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh9673Brian Reif2004530151U.S.A.New MexicoSan MiguelSanta Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: Forest Road 85 at northern forest boundary, 1.5 air mi S of Bernal. Within 0.3 air mi of N35.367 W105.310.-105.3135.3671890Broad grassy plain with scattered juniper, and roadside. Phenology: flowering & fruiting.RMRM811658 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh9724Brian Reif200461153U.S.A.New MexicoSanta FeSanta Fe National Forest and Vicinity: Jemez Mountains: County Road 77 (Buckman Road) at Alamo Creek, 9 air mi SE of White Rock. Within 1/4 air mi of N35.743 W106.08.-106.0835.7431926Dry wash of coarse granite and broad lowland with scattered juniper in juniper hills. Phenology: flowering & fruiting.RMUSFS518350 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh749Robert S. Campbell R. H. Canfield1933516136U.S.A.New MexicoDona AnaJornada Experiment Range: N end of PB Rest. Enclosure #1, pasture 2.1280Level slope; deep sandy loam soil; grama grass type; Yucca elata, Prosopis, Aristida spp. association. Phenology: flowering.RMRM577189 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh16297Erwin F. Evert1989529149U.S.A.WyomingJohnsonBig Horn Mountains: along north side of Clear Creek, ca 5.5 mi W of Buffalo, just S of U.S. Hwy 16.-106.79344.3361646Open ponderosa pine forest and dry openings. Phenology: flowering.RMUSFS518360 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh24W. L. Onstad192261152U.S.A.New MexicoSierraDatil National Forest: Tularosa Ranger Station yard.1920Level slope; gravelly loam soil; weed type. Phenology: flowering.RMUSFS518357 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh507William R. Chapline, Jr.19151019292U.S.A.New MexicoGrantGila National Forest: Big Burros Ranger Station pasture.-108.415332.630291920Level slope; sandy loam soil; browse type; 20% cover; 40% Oak, 10% Mountain Mahogany, 50% grass and weeds. Phenology: flowering.RMRM727002 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh257Patricia P. Douglas C. A. Popolizio, R. M. Smith1995615166U.S.A.WyomingPlatteCamp Guernsey: ca 1.6 km SSW of Register Cliff Historical Monument, ca 2.4 km S of North Platte River.1347Grassland on ridges and flats on calcareous sandstone with limestone cap to sandy loam with Oenothera albicaulis, Artemisia, Bromus, and Poa spp. Phenology: flowering & fruiting.RMRM737187 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh8788Thomas W. Nelson Jane P. Nelson1990721202U.S.A.WyomingNatronaNorth side of North Platte River.1585On sand dunes; sagebrush-grassland. Phenology: flowering & fruiting.RMRMRS Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh131Alvin L. Medina198185217U.S.A.New MexicoGrantGila National Forest; Fort Bayard.1981Phenology: flowering.RMRMRS Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.John F. Rea197057127U.S.A.New MexicoCatronRita Blanca; Unit 1.2375Phenology: flowering.RMRM99143 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh137Arthur C. McIntosh1924531152U.S.A.South DakotaFall RiverHot Springs: Fall River Falls: Cheyenne River.Flats along the river. Phenology: flowering.RMRM105017 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh940Arthur C. McIntosh1927817229U.S.A.South DakotaFall RiverCascade Valley.In sandy soil near creek. Occasional. Phenology: flowering.RMRM111018 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1670Herman E. Hayward1927629180U.S.A.South DakotaCusterBlack Hills: Wind Cave.-103.479543.5581250Foothills, grass association; xero-mesophytic. Phenology: flowering.RMRM111018 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2502Herman E. Hayward1927728209U.S.A.South DakotaFall River5 mi E of Edgemont.-103.739743.31411152Foothills, south slope, grass association; xero-mesophytic. Phenology: flowering.RMUSFS518354 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh40Roger R. Kerbs196784216U.S.A.South DakotaJacksonBuffalo Gap, 1 mi S of pond A.-101.981243.8938777Roadside; sandy loam soil; no slope; grassland type; herb, Gaco, Agsm, Trdu, Bria, and Stvi association. Rare; flowers white. Phenology: flowering.RMRM70877 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh45S. A. Skinner1906U.S.A.South DakotaMelletteBad Lands.Phenology: flowering.RMRM69918 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh268S. S. Visher1910728209U.S.A.South DakotaHardingLittle Missouri Valley: 12 mi N of Crook.-103.924545.7021929Bare clay soil. Phenology: buds.RMRM126317 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh10756Aven Nelson1926530150U.S.A.ColoradoLarimerN of La Porte.Abundant in sandy fields. Phenology: flowering.RMRM126318 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh10760Aven Nelson1926612163U.S.A.ColoradoJeffersonMorrison.Sandy canyon slopes. Phenology: buds.RMRM131317 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh11502Aven Nelson1931531151U.S.A.New MexicoColfaxCimarron.-105.101936.557819812896In the canyon. Phenology: flowering.RMRM132660 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh175Aven Nelson Ruth A. Nelson1932731213U.S.A.New MexicoSanta FeRoad between Santa Fe and Albuquerque.-106.250235.502491676Roadside. Phenology: flowering & fruiting.RMRM132661 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh294Aven Nelson Ruth A. Nelson1932829242U.S.A.New MexicoNo countyNorthwestern New Mexico.Roadsides. Phenology: flowering & fruiting.RMRM192191 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4687Aven Nelson Ruth A. Nelson1941617168U.S.A.New MexicoColfaxJohnson Mesa: near Folsom.-104.114336.903122862591Sandy plains. Phenology: flowering.RMRM390172 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3333M. A. (Ben) Franklin198662153U.S.A.ColoradoMesaLa Sal Mountains, ca. 11 miles due south of Gateway, Sinbad Valley.1670Artemesia grass association; clay-sand soil; east-facing slope. Phenology: flowering.RMRM397719 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2612Betsy E. Neely198561152U.S.A.ColoradoLarimer0.25 mi W of U.S. Hwy 287; 21.9 mi S of Virginia Dale.Meadow with Agropyron, Yucca, Delphinium and fringed sage in sandy soil. Phenology: flowering.RMRM345710 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2325Charles P. Pase1978728209U.S.A.New MexicoSan JuanNavajo Project Area, 13 miles south of Farmington.-108.236836.54631829Great Basin desert-scrub land Phenology: flowering.RMRM13278 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.C. S. Crandall1897522142U.S.A.ColoradoLarimerFort Collins.1524Phenology: flowering.RMRM161780 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.C. S. Crandall1897522142U.S.A.ColoradoLarimerFort Collins.1524Phenology: flowering.RMRM74513 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh37Edwin B. Payson1912525146U.S.A.ColoradoMontroseNear Montrose.2286Dry upper mesas. Phenology: flowering.RMRM133202 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1429Earl F. Castetter1932513134U.S.A.New MexicoSanta FeRoadside 7. miles south of Santa Fe.-105.897435.575492134Roadside. Phenology: flowering.RMRM43903 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1913E. R. Warren1903826238U.S.A.ColoradoEl PasoColorado SpringsPhenology: flowering.RMRM78350 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh28E. R. Warren1912623175U.S.A.ColoradoCostillaSan Acacio.2358Phenology: flowering.RMRM69459 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh158HEarl L. Johnston1910618169U.S.A.ColoradoWeldEvans, CO on the Platte River.Riverbed. Phenology: flowering.RMRM117409 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1147Earl L. JohnstonU.S.A.ColoradoWeldGrover, CO.Fields. Phenology: flowering.RMRM101909 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh804Earl L. Johnston George G. Hedgcock1917626177U.S.A.ColoradoChaffeeSalida, CO.Hillside. Phenology: flowering.RMRM101719 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh881Earl L. Johnston George G. Hedgcock1917620171U.S.A.ColoradoLas AnimasRoad to Walsenburg-Trinidad.Phenology: flowering.RMRM80812 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh281Edwin B. Payson191458128U.S.A.ColoradoMontroseNaturita.1646Dry hillside and flats. Phenology: flowering.RMRM81520 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh37Edwin B. Payson1912525146U.S.A.ColoradoMontroseLower Dry Creek near Montrose.1981Dry upper mesas. Phenology: flowering.RMRM80814 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh404Edwin Payson.1914611162U.S.A.ColoradoMontezumaDolores River near Mesa Creek.1493Sandy soil. Phenology: flowering.RMRM75728 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh92Ernest P. Walker1912617169U.S.A.ColoradoMontroseParadox.1646Dry hills and cultivated fields. Phenology: flowering.RMUSFS518361 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh699Fred W. Ryden1914610161U.S.A.ColoradoMontezumaMontezuma National Forest: Lone Dome Administration site.2103Dry sandy soil of a SW-facing slope growing with sage and rabbitbrush. Phenology: flowering.RMRM211591 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh15962Francis Ramaley Richards1937514134U.S.A.ColoradoBoulderWhite Rocks, 8 miles NE of Boulder.Sandy soil Phenology: flowering.RMRM210146 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh16860Francis Ramaley1939619170U.S.A.ColoradoLarimerOwl Canyon.Sandy soil. Phenology: flowering.RMRM47774 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5514Frank Tweedy19036152U.S.A.ColoradoBoulderNear Boulder.15241829Plains and foothills. Phenology: flowering.RMRM161779 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh105George E. Osterhout189263155U.S.A.ColoradoWeldNew Windsor.Phenology: flowering.RMRM92978 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2790Ira W. Clokey1917617168U.S.A.ColoradoDenverDenver, CO.1615Prairie. Phenology: flowering.RMUSFS518356 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh368J. W. O'Byrne1915724205U.S.A.New MexicoSanta FeSanta Fe National Forest: vacant lot in Santa Fe.-105.945835.674592134On level ground in dry adobe soil. Phenology: flowering & fruiting.RMUSFS518352 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshS-101Leon C. Snyder1938615166U.S.A.ColoradoWeld1646In sandy soil. Phenology: flowering.RMRM303359 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5762N. Duane Atwood L. C. Higgins197388220U.S.A.ColoradoClear CreekAlong Hwy 103 W of its confluence with Colo Hwy #5.-105.5961739.656663231Phenology: flowering.RMRM45417 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1276New York Botanical Garden1895515135U.S.A.ColoradoLarimerCollege Farm, Fort Collins.Phenology: flowering.RMRM45416 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1286New York Botanical Garden1891518138U.S.A.ColoradoLarimerCollege lawn.Phenology: flowering.RMRM161778 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5851P. A. Rydberg F. K. Vreeland1900521141U.S.A.ColoradoHuerfanoN of La Veta.2200River bluffs. Phenology: flowering.RMRM29720 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5851P. A. Rydberg F. K. Vreeland1900521141U.S.A.ColoradoHuerfanoN of La Veta.2200River bluffs. Phenology: flowering.RMUSFS518363 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh902Ralph K. Gierisch193957127U.S.A.ColoradoDenverDenver: NE City Park.1615In sandy soil with grasses. Phenology: flowering.RMRM567053 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh22579Ronald L. Hartman Susan D'Alcamo, Neil and Donald Snow.1987529149U.S.A.New MexicoRio ArribaCarson National Forest: Cereza Mesa.-107.2580936.545621032164Pinyon-juniper, sandstone mesa and flats below. Phenology: flowering.RMRM542750 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh160Tamara Naumann1988521142U.S.A.ColoradoMoffatDinosaur National Monument: mouth of Starvation Valley, north side of the Yampa River.1615Intermittent creek cotton with Populus and Salix exigua. Phenology: flowering.RMRM579563 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh13030Walter Fertig1991717198U.S.A.ColoradoLarimerEastern foothills of Colorado Front Range; adjacent to KOA Campground and Highway 287, ca 12 air mi N of Fort Collins.Open canopy blue grama/needle and thread shortgrass grassland and slopes. Phenology: flowering.RMRM58703 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.E. O. Wooton1905426116U.S.A.New MexicoDona AnaMesilla Valley.Phenology: flowering.RM684736 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh883James P. Vanderhorst199079190U.S.A.ColoradoRio BlancoFlat Tops/White River Plateau: cliffs and terrace above Coal Creek, ca 8 air mi NE of Meeker.-107.775340.098820732195Steep southeast-facing cliffs, with juniper and sagebrush.RM684735 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh24528Ronald L. Hartman James P. Vanderhorst1990523143U.S.A.ColoradoGarfieldFlat Tops/White River Plateau: Main Elk Creek, ca 4 air mi NW of New Castle.-107.58839.61517682042East exposure and ridge top, red shale and white sandstone, old burn with Juniperus osteosperma and Quercus gambelii grading above on sandstone Juniperus osteosperma-Amelanchier-Ephedra; shale with juniper and oak.RM684721 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh25675Ronald L. Hartman1990622173U.S.A.ColoradoMoffatFlat Tops/White River Plateau: Williams Fork Mountain: Deakin Gulch and sandstone outcrop to the west, ca 14 air mi SW of Hayden.-107.440840.363619512073Sandstone outcrop and adjacent slopes and ravine, also roadside and disturbed areas; sandy slopes and ravine.RMRM317483 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1578B. E. Nelson197861152U.S.A.WyomingNiobraraSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 22 miles WNW of Lusk, western end of the Hat Creek Breaks.-104.863742.85991615On roadside with Sisymbrium and Bromus tectorum. Occasional; flowers white. Phenology: flowering.RMRM317489 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1730B. E. Nelson Paul Ehrmann1978620171U.S.A.WyomingLaramieSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 0.5 mi S of I-80 in Pine Bluffs, S of Pine Bluffs Rest Area.-104.07641.16821554In upland grassland and disturbed areas with Bouteloua gracilis and Helianthus in sandy clay soil. Common; flowers white. Phenology: flowering.RMRM1009535 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2846B. E. Nelson Ronald L. Hartman197963154U.S.A.WyomingSweetwaterWashakie Basin: ca 7.3 road mi N of Baggs on Wyo Hwy 789 then ca 36.5 road mi W on BLM roads; ca 19.1 road mi SW of Sand Creek bridge, ca 45.5 air mi S of Wamsutter.-108.154641.2642073Sagebrush slopes. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2669Hollis Marriott198367158U.S.A.WyomingCrook[location and coordinates withheld]1097Grassland on red shale soil.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7379Hollis Marriott1984627179U.S.A.WyomingWeston[location and coordinates withheld]1371Sagebrush-grassland (Artemisia cana).RMRM321996 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1725Keith H. Dueholm Ronald L. Hartman197863154U.S.A.WyomingConversePowder River Basin: ca 1 road mi S of Antelope Creek.-105.32543.471463Rocky slopes, deeply dissected, sagebrush plains; open flats above gulch. Phenology: flowering.RMRM322012 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1807Keith H. Dueholm Ronald L. Hartman197864155U.S.A.WyomingCampbell[location and coordinates withheld]1402Steep hill, sandy slope and rocky ridge, and sandy waste area near road, plains and shallow draw; plains near shallow drainage. Phenology: flowering.RMRM322001 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2044Keith H. Dueholm197869160U.S.A.WyomingCampbellPowder River Basin: along Wyo Hwy 59, 4.7 mi N of Converse County.-105.452543.57111524Plains along right-of-way, ditch, open ground on road cut; plains. Phenology: flowering.RMRM322009 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2120Keith H. Dueholm Ronald L. Hartman1978610161U.S.A.WyomingCampbell[location and coordinates withheld]1432Rocky slopes, stream margins, ponderosa pine woodland, juniper slopes; slope. Phenology: flowering.RMRM322014 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2267Keith H. Dueholm Ronald L. Hartman and Mary Alice Sanguinetti.1978620171U.S.A.WyomingConversePowder River Basin: ca 14 air mi NE of Bill.-105.12543.41581371Plains, rocky crest; plains. Phenology: flowering.RMRM322013 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2268Keith H. Dueholm Ronald L. Hartman and Mary Alice Sanguinetti.1978620171U.S.A.WyomingConversePowder River Basin: ca 14 air mi NE of Bill.-105.12543.41581371Plains, rocky crest; plains. Phenology: flowering.RMRM322016 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2354Keith H. Dueholm Ronald L. Hartman and Mary Alice Sanguinetti.1978620171U.S.A.WyomingCampbellPowder River Basin: ca 15.5 mi ESE of Reno Junction.-105.172543.67281371Sagebrush plains, ponderosa pine covered slopes, sandstone outcrops; plains. Phenology: flowering.RMRM321993 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2355Keith H. Dueholm Ronald L. Hartman and Mary Alice Sanguinetti.1978620171U.S.A.WyomingCampbellPowder River Basin: ca 15.5 mi ESE of Reno Junction.-105.172543.67281371Sagebrush plains, ponderosa pine covered slopes, sandstone outcrops; plains. Phenology: flowering & fruiting.RMRM321995 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2376Keith 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; plains. Phenology: flowering.RMRM321999 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2531Keith H. Dueholm Ronald L. Hartman and Mary Alice Sanguinetti.1978622173U.S.A.WyomingCampbellPowder River Basin: ca 10 air mi NE of Soda Wells.-105.1769444.778891189Waste area near road, rocky slopes of buttes, ponderosa pine woodlands, shaded ravines, sagebrush plains; plains. Phenology: flowering.RMRM322020 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2670Keith H. Dueholm Ronald L. Hartman and Mary Alice Sanguinetti.1978624175U.S.A.WyomingCampbellPowder River Basin: along Eightyfive Divide; ca 7 air mi S of Montana, 5 mi E of Hwy 59.-105.2844.90221097Rolling plains and sandstone outcrops; plains. Phenology: flowering.RMRM321998 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3046Keith H. Dueholm1978626177U.S.A.WyomingCampbellPowder River Basin: ca 10.5 air mi NW of Rockypoint.-105.344.975561067Eroded plain, sandstone outcrops; eroded plain. Phenology: flowering & fruiting.RMRM322019 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3308Keith H. Dueholm Mary Alice Sanguinetti197875186U.S.A.WyomingConverse[location and coordinates withheld]1554Plains, sandstone outcrops, and hard sand along pipeline route; plains. Phenology: flowering.RMRM322005 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3713Keith H. Dueholm Mary Alice Sanguinetti197879190U.S.A.WyomingCampbellPowder River Basin: ca 10 road mi NNW of Gillette.-105.582544.441671310Rolling plains, sandstone uplift, outcrops, sandy ravines, highway right-of-way; plains. Phenology: flowering.RMRM322017 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4094Keith H. Dueholm Mary Alice Sanguinetti1978713194U.S.A.WyomingCampbell[location and coordinates withheld]1527Sandy roadside buttes, loose talus slopes, outcrops, plains; rocky summit of butte. Phenology: flowering.RMRM322018 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4173Keith H. Dueholm Mary Alice Sanguinetti1978713194U.S.A.WyomingCampbell[location and coordinates withheld]1463Sandstone outcrop, plains; plains. Phenology: flowering.RMRM322004 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4453Keith H. Dueholm1978722203U.S.A.WyomingCampbell[location and coordinates withheld]1310Holding pond, flats; flats. Phenology: flowering.RMRM322025 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5183Keith H. Dueholm1978729210U.S.A.WyomingCampbell[location and coordinates withheld]1493Rolling plains, sandy roadcut; plains. Phenology: vegetative only.RMRM331957 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6820Keith H. Dueholm197969160U.S.A.WyomingCampbellCa 19.5 air miles north-northwest of Spotted Horse.1128Scoria topped buttes along fence creek; lower slope. Phenology: flowering.RMRM322022 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5203Ronald L. Hartman Keith Dueholm1978521141U.S.A.WyomingConversePowder River Basin: Wyo Hwy 59, ca 20 mi N of Douglas.-105.266443.03471493Rolling sagebrush plains dissected by stream. Phenology: flowering.RMRM322023 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5232Ronald L. Hartman Keith Dueholm1978521141U.S.A.WyomingCampbellPowder River Basin: Wyo Hwy 59, less than 1 mi N of Converse County.-105.451643.51361432Rolling grasslands and sagebrush slopes, dissected by a stream. Phenology: flowering.RMRM321997 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5792Ronald L. Hartman Keith Dueholm197863154U.S.A.WyomingConversePowder River Basin: Wyo Hwy 59 at South Fork Cheyenne River.-105.345843.31171402Rolling plains dissected by river. Phenology: flowering & fruiting.RMRM322011 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6072Ronald L. Hartman Keith Dueholm197865156U.S.A.WyomingCampbellPowder River Basin: ca 5 air miles NNE of Spotted Horse.-105.8069444.77421280Dissected benchland with ponderosa pine covered and open slopes; open slope. Phenology: flowering.RMRM322008 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6128Ronald L. Hartman Keith Dueholm197866157U.S.A.WyomingCampbellPowder River Basin: near the Powder River, ca 17 air mi NNW of Spotted Horse.-105.973644.920831097Eroded hills overlooking river; sandy slope. Phenology: flowering.RMRM322007 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6291Ronald 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; ridge. Phenology: flowering.RMRM322010 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6524Ronald L. Hartman Keith Dueholm1978610161U.S.A.WyomingCampbellPowder River Basin: along Porcupine Creek, ca 15 air mi SSE of Reno Junction.-105.331743.58561432Margins and adjacent sandy flats. Phenology: flowering.RMRM322021 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6525Ronald L. Hartman Keith Dueholm1978610161U.S.A.WyomingCampbellPowder River Basin: along Porcupine Creek, ca 15 air mi SSE of Reno Junction.-105.331743.58561432Margins and adjacent sandy flats. Phenology: vegetative only.RMRM952591 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6676Ronald L. Hartman Keith Dueholm and Mary Alice Sanguinetti1978620171U.S.A.WyomingConversePowder River Basin: ca 12.5 air mi NE of Bill.-105.145343.40111371Ridge.RMRM322003 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6763Ronald L. Hartman Keith Dueholm and Mary Alice Sanguinetti1978620171U.S.A.WyomingCampbellPowder River Basin: ca 15.5 air mi ESE of Reno Junction.-105.172543.67281371Eroded hills with ponderosa pine. Phenology: flowering & fruiting.RMRM321994 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6853Ronald 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.RMRM322024 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6934Ronald L. Hartman Keith Dueholm and Mary Alice Sanguinetti1978622173U.S.A.WyomingCampbellPowder River Basin: ca 11.5 air mi NNE of Weston.-105.238344.779171158Open slopes. Phenology: flowering & fruiting.RMRM322002 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7105Ronald L. Hartman Keith Dueholm and Mary Alice Sanguinetti1978623174U.S.A.WyomingCampbellPowder River Basin: ca 18 air mi WNW of Rockypoint.-105.46444.96031158Eroded hills with ponderosa pine. Phenology: flowering.RMRM322000 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7432Ronald L. Hartman Mary Alice Sanguinetti1978626177U.S.A.WyomingJohnsonPowder River Basin: ca 4 air mi N of I-90 at the Powder River crossing.-106.1466744.27671341Low hills and drainage. Phenology: flowering.RMRM606345 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh24826B. E. Nelson1993519139U.S.A.WyomingPlatte[location and coordinates withheld]13171341Grassland below breaks. Phenology: flowering.RMRM606346 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh25425B. 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.RMRM606347 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh27163B. E. Nelson1993719200U.S.A.WyomingGoshen[location and coordinates withheld]13501356Mixed grass upland dominated by Bouteloua. Phenology: flowering & fruiting.RMRM606348 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh27206B. E. Nelson1993723204U.S.A.WyomingConverseSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: W of Deer Creek or County Road 19, ca 2.5 air mi S of the North Platte River; ca 3.3 air mi SW of Glenrock.-105.916742.828916031621Sandy mixed grass slopes. Phenology: flowering & fruiting.RMRM606349 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh27262B. E. Nelson1993723204U.S.A.WyomingConverseSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: along 55 Ranch or County Road 23, ca 5.8 air mi N of Glenrock or ca 5 air mi N of the North Platte River.-105.856942.945816891701Rolling sandy plains of Artemisia cana-grassland. Phenology: flowering & fruiting.RMRM606350 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh28240B. E. Nelson199383215U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Goshen Hole: along Wyo Hwy 159, ca 5.5 air mi N of Torrington; ca 7.5 air mi E of Lingle.-104.201342.142213071326Rolling sandy plains of sand sage-grassland. Phenology: flowering & fruiting.RMRM606351 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh28294B. E. Nelson199383215U.S.A.WyomingGoshen[location and coordinates withheld]13351390Sandy clay weedy grassland plains. Phenology: flowering & fruiting.RMRM664610 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh30310B. 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.-104.452743.51512561292Rolling dissected plain of sagebrush-grassland and sedge-grassland mosaic. Phenology: flowering.RMRM664609 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh30388B. 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.RMRM664608 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh30489B. E. Nelson1994519139U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: along Fletcher Park or County Road 133 ca 3/4 air mi N of North Laramie River, ca 23 air mi WSW of Guernsey; ca 14 air mi NW of Wheatland.-105.199242.168614751493Sagbrush-grassland of fine gravelly soils and cobblestones. Phenology: flowering.RMRM664607 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh30613B. E. Nelson1994523143U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Baker Cabin or County Road 108 between North Fork Cottonwood Creek and Gray Wall, ca 12 air mi NE of Arminto; ca 51 air mi NW of Casper.-107.114443.321719321978In sand, grassy sandy areas, sandstone outcrops, and clay slopes. Phenology: flowering.RMRM664606 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh30826B. E. Nelson1994526146U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road just S of the Laramie River, ca 3.5 air mi WSW of Fort Laramie; ca 22.3 air mi NW of Torrington.-104.58142.19313041323Sandy plains at the base of cobblestone slopes in the river valley. Phenology: flowering.RMRM664619 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh30850B. 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.-104.823442.11213621378Sandy plains with sagebrush below cobblestone slopes. Phenology: flowering & fruiting.RMRM664605 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh33109B. E. Nelson David Reilly and Jim Cahill1994720201U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: S of the Laramie River along the north side of the Fort Laramie Canal, ca 2 air mi SW of Fort Laramie (town); ca 21 air mi NW of Torrington.-104.551642.196112921298Sandy lowlands. Phenology: flowering & fruiting.RMRM606356 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh39674Ronald L. Hartman199371182U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 7.5 air mi W of Wheatland.-105.087242.02561463Short-grass prairie. Phenology: flowering.RMRM606357 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh39739Ronald L. Hartman199371182U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 9.5 air mi W of Wheatland.-105.125642.04031463Short-grass prairie and drainage. Phenology: flowering & fruiting.RMRM606358 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh39821Ronald L. Hartman199374185U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 4 air mi E of Albany County.-105.213341.8951603Sandy plains with short-grass prairie. Phenology: flowering & fruiting.RMRM664610 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh30310B. 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.-104.452743.51512561292Rolling dissected plain of sagebrush-grassland and sedge-grassland mosaic. Phenology: flowering.RMRM379125 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh8816B. E. Nelson198277188U.S.A.WyomingWestonBlack Hills: Elk Mountains: at the South Dakota state line, ca 14 air mi SE of Newcastle.-104.050343.69111493Meadows at the base of the ridge. Phenology: flowering & fruiting.RMRM379128 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2669Hollis Marriott198367158U.S.A.WyomingCrook[location and coordinates withheld]1097Grassland on red shale soil. Phenology: flowering & fruiting.RMRM379127 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7185Hollis Marriott1984626178U.S.A.WyomingWestonBlack Hills: west side of ridge S of Elk Mountain (USFS Road 818) near Mix Spring, ca 13.5 air mi SE of Newcastle.-104.070543.69111463Southeast-facing slope with scattered pines and junipers. Phenology: flowering & fruiting.RMRM379126 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7379Hollis Marriott1984627179U.S.A.WyomingWeston[location and coordinates withheld]1371Silver sagebrush-grassland. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2174Brian Elliott1998618169U.S.A.ColoradoSaguacheWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: Copper Butte vicinity, on BLM Road 5300, N of U.S. Hwy 285, E of Saguache.-106.03738.15492500Grassland with Opuntia. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh235Brian Elliott1998525145U.S.A.ColoradoLas AnimasWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: at base of TV Hill, ca 1.5 mi N on County Road 63.1 from Exit 30 on I-25.-104.619437.39081935Pinyon-juniper/prairie transition. Phenology: flowering.RMRM379124 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh16189Ronald L. Hartman1983715196U.S.A.WyomingCrookBlack Hills: ca 2 air mi NE of Aladdin.-104.159244.65671097Prairie, sandstone outcrops, and dry drainage; sandy slopes. Phenology: flowering & fruiting.RMRM322006 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6720Ronald L. Hartman Keith Dueholm and Mary Alice Sanguinetti1978620171U.S.A.WyomingWestonPowder River Basin: just N of Cheyenne River, ca 7 air mi SSE of Rochelle.-104.906143.51831280Hills. Phenology: flowering & fruiting.RMRM37659 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh8449Aven Nelson1901720201U.S.A.WyomingWestonNewcastle.Railroad grade. Phenology: fruiting.RMRM336060 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh732Hollis Marriott1981625176U.S.A.WyomingCrookDevils Tower National Monument, west end of dog town.1173Somewhat common on disturbed alluvial soil on bank of open west slope with Sisymbrium altissimum and Sphaeralcea. Flowers white, fading pink. Phenology: flowering & fruiting.RMRM143770 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh647Marion Ownbey193566157U.S.A.WyomingCrook8 mi NW of Hulett.1371Sunny canyonside. Phenology: flowering.RMRM194070 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh16146Otto Degener Leroy Peiler1942716197U.S.A.WyomingWestonNewcastle.Dryish hills. Phenology: flowering & fruiting.RMRM823199 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh10400Robert D. Dorn2008610162U.S.A.WyomingNatronaCa 20 mi WSW of Casper.-106.73333342.831737Sage-grass with Opuntia and Allium. Flowers white. Phenology: flowering.RMRMRS Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.T. E. Tharalson1990911254U.S.A.ArizonaNavajoApache National Forest; Sitgreaves National Forest; Heber area.-110.6377934.503592012Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh74220B. E. Nelson2008616168U.S.A.MontanaCarbonPryor Mountains: Pryor Mountain Wild Horse Range: on Burnt Timber or BLM Road 1018, ca 1.5 air mi E of Crooked Creek, ca 33 air mi SE of Bridger.-108.367345.027313291353Sandy clay flats above the arroyos. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh74488B. E. Nelson2008622174U.S.A.MontanaCarbonBighorn Basin: mouth of Inferno Canyon at the west base of the Pryor Mountains, ca 2 air mi E of Rail Bed Road, ca 18 air mi SE of Bridger.-108.643645.137614871530Patchy blue grama-sagebrush in sandy canyon bottom. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh71847B. E. Nelson Bernadette Kuhn2007614165U.S.A.ColoradoBacaComanche National Grassland: County Road C above Carrizo Creek, ca 2 air mi W of Little Black Mesa and ca 1 air mi N of Oklahoma, ca 33.5 air mi SW of Springfield.-102.978637.012313471362Sandy-silt grassland flats. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh71992B. 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: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh442Brian Elliott1998527147U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 1.5 mi E on Gulch or County Road 28, N of Westcliffe.-105.561438.34232164By a small spring; pinyon-juniper, lower end for ponderosa; riparian. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh858Bernadette Kuhn200767158U.S.A.ColoradoBacaComanche National Grassland: Picture Canyon, ca 29 air mi SSW of Springfield.-102.748637.00731288Along Salix-dominated wet seep. Shortgrass prairie with Yucca sp., Opuntia sp., and Buchloë dactyloides; grazed. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh921Bernadette Kuhn200769160U.S.A.ColoradoOteroComanche National Grassland: Purgatoire Canyon, ca 23 air mi S of La Junta.-103.563537.65251392Shortgrass prairie dominated by Buchloë dactyloides and Yucca glauca. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh972Bernadette Kuhn2007610161U.S.A.ColoradoBacaComanche National Grassland: ca 13 air mi SE of Vilas.-102.349837.19841231Shortgrass prairie dominated by Buchloë dactyloides and Bouteloua sp. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh13121Brian Elliott2004515136U.S.A.ColoradoOteroComanche National Grassland: adjacent to County Road S, ca 2 mi N of Timpas.-103.773737.85161341Hilaria grassland with Helianthus annuus in a heavy alluvial soil. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh84919Ronald L. Hartman Bernadette Kuhn, Laura E. Lukas2007526146U.S.A.ColoradoLas AnimasComanche National Grassland: ca 15 air mi W of Kim.-103.611837.26281742Grassland. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh84966Ronald L. Hartman Bernadette Kuhn, Laura E. Lukas2007526146U.S.A.ColoradoLas AnimasComanche National Grassland: Plum Creek, 8.5 air mi W of Kim.-103.518537.25911750Rolling grasslands with stockponds. Phenology: flowering & fruiting.RMRM131316 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh11329Aven Nelson1931520140U.S.A.New MexicoGuadalupeSanta Rosa area.Sandy plains. Phenology: flowering & fruiting.RMRM903589 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3969Ben Legler Neil Snow200767158U.S.A.New MexicoColfaxVermejo Park Ranch: along banks of Vermejo River immediately downstream from (SE of) I-25.-104.570361136.495416671785Sandy river bottom dominated by recently killed Salix (Tamarix control), with Glycyrrhiza lepidota, Helianthus annuus, Juncus balticus. Petals white, 2-3 cm long; stigmas with four linear lobes; plants scattered. Photographed. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh624Brian Elliott Kenneth Elliott199863154U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: off U.S. Hwy 50 between Texas Creek and Canon City; on Iron Mountain Road, ca 2 mi from Copper Gulch Road.-105.437938.35642243Open pinyon-juniper; meadow. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh836Brian Elliott Kenneth Elliott199864155U.S.A.ColoradoSaguache[location and coordinates withheld]2463Riparian and pinyon-juniper. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1122Charity Hall Brian Jacobs and Alex Morgan1998622173U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2.8 road mi on County Road 560 from Colo Hwy 69.-105.184837.740521792240Dry, sandy soil; dominant species: pinyon, Opuntia, and grasses. Phenology: flowering & fruiting.RMRM939893 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh85815Ronald 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: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1331aCharity Hall Brian Jacobs and Alex Morgan1998625176U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2.5 road mi on County Road 1 from County Road 28.-105.420238.356422402286Dry, sandy soil; dominant species: pinyon and Chrysothamnus. Phenology: buds.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh378Charity Hall Brian Jacobs and Alex Morgan1998613164U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: off of County Road 622.-105.038937.798822132341Dominant species: pinyon and juniper; sandstone outcrops. Phenology: flowering & fruiting.RMRM823957 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3523Michael Schiebout2005518138U.S.A.New MexicoUnion8 mi south of Texline on 296.-103.04277836.2461111398Sandy prairie. Phenology: flowering.RMRM823814 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3147Michael Schiebout2005510130U.S.A.New MexicoMoraKiowa National Grassland: Mills Canyon, ca 50 meters east of river channel.-104.37861136.0551556Flood plain. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh80Charity Hall Brian Jacobs and Alex Morgan199865156U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 3.9 road mi S on Oak Creek Grade Road from Canon City; from ca 0.5-2.5 trail mi past Tanner Trailhead, on and around the trail.-105.243238.368819202560Dominant species: pinyon pine, mountain mahogany, and oak; ponderosa and blue spruce at higher elevations; mainly granite outcrops, soil sandy to gravelly in texture. Phenology: fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh60104Ronald L. Hartman Brian Elliott1998519139U.S.A.ColoradoPuebloWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Red Creek Springs Road West, ca 11 air mi SW of Pueblo (city center).-104.779538.210214631524Grasslands with juniper. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh60389Ronald L. Hartman Brian Elliott1998522142U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 340, ca 1 air mi S of Walsenburg (city center).-104.783537.609319051920Grassland and pinyon-juniper woodlands. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh61015Ronald L. Hartman Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan199863154U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2-3 air mi N of Gardner Butte.-105.130137.813321892259Degraded grassland with pinyon pine on ridges. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh61116Ronald L. Hartman Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan199863154U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 634, ca 5-6 air mi NNW of Gardner Butte.-105.200437.845422862329Grasslands and pinyon pine-juniper woodland. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh61167Ronald L. Hartman Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan199863154U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: NW of the intersection of County Road 555 and Colo Hwy 69 on southwest slope of Black Mountain, ca 6-7 air mi WNW to NW of Gardner Butte.-105.273637.830922862408Pinyon-juniper slopes. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh61330Ronald L. Hartman1998615166U.S.A.ColoradoPuebloWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 78, ca 5.5 air mi SW of Pueblo (city center).-104.68838.224814931524Roadcut with calcareous substrate. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh61642Ronald L. Hartman1998620171U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sheep Mountain Overlook, ca 1.5 air mi NW of Badito on Colo Hwy 69.-105.038937.740520122042Grassland and pinyon-juniper. Phenology: flowering & fruiting.RMUSFS884692 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4170Hans Hallman G. Gust2009816228U.S.A.South DakotaHardingCuster National Forest: North Cave Hills: in a tributary of Schleichart Draw above Schleichart Draw Reservoir, W of Forest Road 3130, ca 17 air mi NNE of Buffalo.-103.473145.8271975Grass-dominated meadow. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5010Hans Hallman2010619170U.S.A.MontanaPowder RiverTo ca 1.5 air mi NW of Moorehead Road, ca 4.5 air mi WSW of Broadus.-105.482145.4081945981Grass and sagebrush-dominated grazing land. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5151Hans Hallman2010622173U.S.A.MontanaPowder RiverE of Moorehead Road near the Powder River, ca 9 air mi SW of Broadus.-105.53345.3445945984Grass and sagebrush-dominated grazing land interspersed with badlands. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5820Brian Elliott1999521141U.S.A.ColoradoLas AnimasWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on Colo Hwy 12 W of Trinidad, ca 1 mi W of Segundo.-104.729537.12722012Exposed roadcut, riparian. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6049Brian Elliott1999525145U.S.A.ColoradoHuerfano[location and coordinates withheld]2225Foothills with pinyon-juniper woodlands. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6204Brian Elliott1999529149U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: along Texas Creek on Colo Hwy 69, ca 2 mi S of junction of U.S. Hwy 50 and Colo Hwy 69; W of Pueblo.-105.579138.37062103Pinyon-juniper. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6346Brian Elliott Elizabeth Mark199963154U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: up Five Point Gulch, ca 1.5 mi E of Texas Creek; W of Pueblo on U.S. Hwy 50.-105.579138.4272134Canyon and west side of ridge in pinyon-juniper. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6399Brian Elliott Elizabeth Mark199963154U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.5 mi SE of junction of U.S. Hwy 50 and 3 Road at Parkdale, W of Pueblo.-105.374638.48321768Pinyon-juniper. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6485aBrian Elliott Elizabeth Mark199966157U.S.A.ColoradoHuerfano[location and coordinates withheld]1935Pinyon-juniper/grassland transition. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6710Brian Elliott Elizabeth Mark199968159U.S.A.ColoradoChaffeeWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: from U.S. Hwy 50 N on County Road 250 to ca 0.5 mi beyond BLM border, ca 7 air mi NW of Salida.-106.142538.57292560Pinyon-juniper. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6887Brian Elliott Elizabeth Mark1999611162U.S.A.ColoradoCostilla[location and coordinates withheld]23782530Artemisia tridentada/pinyon-juniper. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7203Brian Elliott Elizabeth Mark and Kenneth Elliott1999615166U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2 air mi SW of Gardner on County Road 560.-105.294237.75512195Pinyon-juniper. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7230Brian Elliott Elizabeth Mark and Kenneth Elliott1999615166U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: junction of Colo Hwy 69 and County Road 570, ca 5 air mi W of Gardner.-105.239537.81332195Pinyon-juniper woodland. Phenology: flowering & fruiting.RMRM121787 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.J. W. Blankinship1903825237U.S.A.MontanaPhillipsMalta.Phenology: flowering.RMRM121788 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.J. W. Blankinship190277188U.S.A.MontanaYellowstoneBillings.Phenology: flowering.RMUSFS518362 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3R. T. Abbott191265157U.S.A.MontanaCuster National Forest.884West-facing slope; shale soil. Phenology: flowering & fruiting.RMUSFS518349 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshH-120Leon C. Hurtt1932611163U.S.A.MontanaCusterUS Range Livestock Experiment Station: Sunday Creek, 10 mi N of Miles City.731Level slope; sandy soil. Common but not abundant. Phenology: flowering & fruiting.RMUSFS518348 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshW-164E. J. Woolfolk1943528148U.S.A.MontanaCusterUS Range Livestock Experiment Station: near field 8, W of Fort Keough proper.731Level slope; very fine, sandy loam soil; grassland; associated with wheatgrass, cheatgrass. Phenology: flowering & fruiting.RMUSFS518353 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshW-115E. J. Woolfolk1937531151U.S.A.MontanaCusterUS Range Livestock Experiment Station: Pasture L, near Custer Spring.823Moderate, south-facing slope; sandy soil. One plant. Phenology: flowering.RMRM395207 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh8280Klaus H. Lackschewitz1978629180U.S.A.MontanaMcConeCharles M. Russell National Wildlife Refuge: near the south fork of Rock Creek Road.695In open sagebrush prairie on sandy soil. Phenology: flowering & fruiting.RMRM239034 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh351O. A. Stevens193868159U.S.A.North DakotaDunnManning.Southeast-facing slope of hill where grass is killed out. Phenology: flowering.RMRM110490 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh529Lycurgus R. Moyer1914610161U.S.A.North DakotaSlopeMarmarth.Badlands; alkali wash at foot of bluff. Phenology: flowering.RMRM118273 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.H. E. Lee192553123U.S.A.South DakotaBuffaloCrow Creek.Protected banks. Phenology: flowering.RMRM106176 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh518Henry Lee1925510130U.S.A.South DakotaBuffaloCrow Creek.Cliffs of Niobrara chalk. Phenology: flowering & fruiting.RMRM226445 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.Harry Hapeman1935714195U.S.A.NebraskaBox ButteAlliance.Phenology: flowering.RMRM120767 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh167Joseph Kramer19277182U.S.A.NebraskaSiouxSandy prairies. Frequent. Phenology: flowering & fruiting.RMRM161781 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7200George E. Osterhout1930618169U.S.A.NebraskaMorrillW of Bridgeport.Phenology: flowering & fruiting.RMRM150085 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4442C. L. Shear1895622173U.S.A.NebraskaLincolnNorth Platte River.Bluffs. Phenology: vegetative only.RMRM306944 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1731B. J. Cox D. B. Dunn, Sam Fleak1970529149U.S.A.NebraskaGarden3 1/2 mi NW of Lisco on U.S. Highway 26.Sandy wash; sagebrush-grassland association. Phenology: flowering & fruiting.RMRM275576 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh37Elray S. Nixon1964523144U.S.A.NebraskaSheridanMetcalf Public Hunting Grounds, 13 mi N of Hay Springs.1006Ridge tops surrounded by open ridges and Pinus ponderosa forest. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7514Brian Elliott Elizabeth Mark1999620171U.S.A.ColoradoSaguacheWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: E of Colo Hwy 150, ca 1.5 air mi S of Great Sand Dunes National Monument.-105.567837.66762439Grassland and pinyon-juniper. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh8394Brian Elliott Elizabeth Mark199977188U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 9 air mi S of Gardener on County Road 530.-105.111837.65312317Roadside. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh8427Brian Elliott Elizabeth Mark199977188U.S.A.ColoradoHuerfano[location and coordinates withheld]1829Small pond in Sarcobatus scrubland. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh81959B. E. Nelson2011622173U.S.A.MontanaValleyAlong Willow Creek Road above Barber Coulee at a hunting and fishing parking area, ca 36 air mi SW of Glasgow.-107.122847.8103768Grassland. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh82058B. E. Nelson2011622173U.S.A.MontanaValleyAlong Harper Ridge Road above and N of Carpenter Creek at the north boundary of Charles M. Russell National Wildlife Refuge, ca 40 air mi SW of Glasgow.-107.137947.7482801847Grassland on sandy soil above the rough breaks. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh82292B. E. Nelson2011626177U.S.A.MontanaValleyRidge between Burnett Creek and Collins Creek E of Rock Creek Road, ca 19 air mi NNE of Hinsdale.-106.964248.6535728762Rolling plains grassland with stony soil and swales. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6388Joseph L. M. Charboneau2011630181U.S.A.MontanaPhillipsLarb Hills (North): N of Cottonwood Creek, ca 4 air mi S of Bauer Reservoir, ca 13 air mi SW of Saco; ca 17.5 air mi ESE of Malta.-107.508448.3002756807Moist coulee bottom with thickets. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6424Joseph L. M. Charboneau2011630181U.S.A.MontanaPhillipsLarb Hills (North): E of Lower Harb Road, ca 1.5 air mi E of Beaver Creek, ca 15 air mi SW of Saco; ca 15.5 air mi ESE of Malta.-107.559148.3039710762Rolling sagebrush-grasslands on loamy soil with slopes and swales. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7572Joseph L. M. Charboneau2011714195U.S.A.MontanaValleySeventh Ridge, ca 4.5 air mi NE of Graveyard Hill, ca 22 air mi SW of Fort Peck; ca 27 air mi SSW of Glasgow.-106.820347.8326743829Sandstone-based ridge. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4800Michael 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.-108.242239.271215241597Sandy, cobbly slopes with juniper. Phenology: flowering.RMUSFS898153 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4843Michael 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.-108.173739.237716701804Sagebrush meadow with scattered juniper. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4979Michael 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.-108.188739.309115851768Sandy slopes and river bench below sandstone bluffs. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh5022Michael 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.-108.169939.192515541646Sandy slopes and cracks in sandstone cliffs with scattered sagebrush. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh65477Ronald L. Hartman1999731212U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: U.S. Hwy 50, 2.5 air mi NW of Howard.-105.871238.474220422347Pinyon-juniper with rock outcrops. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh489Lori E. Brummer2010611162U.S.A.ColoradoMesaDominguez Canyon Wilderness Study Area: Cactus Park Trail, 4.4 road mi SE of Colo Hwy 141, ca 22.5 air mi WNW of Delta.-108.452838.826917071951Pinyon/juniper in sandstone canyon. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2698Lori E. Brummer2011517137U.S.A.ColoradoDeltaUncompahgre Plateau: Escalante Canyon, McCarthy Trail, ca 11.5 air mi W of Delta.-108.267438.73815091859Juniper grasslands on clay hillsides with sandstone mesa tops. Phenology: flowering & fruiting.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2707Lori E. Brummer2011517137U.S.A.ColoradoDeltaUncompahgre Plateau: Escalante Canyon, McCarthy Trail, ca 11.5 air mi W of Delta.-108.267438.73815091859Juniper grasslands on clay hillsides with sandstone mesa tops. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh3058Lori E. Brummer2011525145U.S.A.ColoradoMesaUncompahgre Plateau: Dominguez Canyon, middle section of trail to Cactus Park Trail junction, ca 20 air mi NNW of Delta.-108.43838.800315091737Desert grassland and shrubland with scattered pinyon and juniper in wide sandstone canyon. Phenology: flowering & fruiting.RMRM921810 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh10987Robert D. Dorn2014519139U.S.A.WyomingGoshenCa 4 mi E of Torrington.-104.10542.081310Sandhills, with Descurainia and Artemisia filifolia. Flowers white. Phenology: flowering.RMRM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4900Robert D. Dorn201462153U.S.A.WyomingPlatteCa 6 mi SW of Wheatland.-105.142.0316671493Grassland, with Cryptantha and Astragalus. Flowers white.RMRM921236 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh11262Robert D. Dorn2014630181U.S.A.WyomingNiobraraCa 4 mi NE of Mule Creek Junction.-104.15333343.4116671158Sandy grassland, with Abronia and Aristida. Flowers white. Phenology: flowering.RMRM921846 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh11047Robert D. Dorn201462153U.S.A.WyomingPlatteCa 6 mi SW of Wheatland.-105.142.0316671493Grassland, with Cryptantha and Astragalus. Flowers white. Phenology: flowering.RMRM957966 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh99Nancy E. Hastings2007522142U.S.A.WyomingPlatteCamp Guernsey: Walsh Ranch parcel; south end of transect ca 7.9 km NE of Guernsey Reservoir, ca 1.3 km SW of Range Guard 4.1555North-facing slope; burned pine/juniper woodland; silty loam with cobbles and larger rocks; with Cercocarpus montanus (sprouting from burned base), Draba reptans, Pulsatilla patens, Sisymbrium altissimum, Zigadenus venenosus, Allium textile, Bromus tectorum, Helianthus sp. Phenology: flowering & fruiting.RMRM957967 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh220Nancy E. Hastings P. Block2007525145U.S.A.WyomingPlatteCamp Guernsey: Cundall Ranch parcel; south end of transect ca 1.7 km due W of North Platte River, ca 3.4 km NW of Wendover Bend Ranch.1427West-facing slope; mixed grass prairie with scattered silver sagebrush; silty loam with pebbles to cobbles; with Hesperostipa comata, Artemisia nova, A. frigida, Aristida purpurea, Bouteloua gracilis, Gutierrezia sarothrae, Tetraneuris acaulis, Lappula redowskii, Penstemon albidus Scattered; erect, taprooted, annual herb; less than 10 cm tall; corolla white. Phenology: flowering & fruiting.RMRM957493 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh249Patricia P. Douglas Carlos M. Popolizio, Rosalie M. Smith1995615166U.S.A.WyomingPlatteCamp Guernsey: ca 1.9 km WSW of Register Cliff Historical Monument, ca 1.6 km S of North Platte River.1372Cliffs and ravines; grassland to intermittent stream; limestone cap and loam; with Juniperus scopulorum, Oenothera albicaulis, Koeleria macrantha, Penstemon erianthus var. erianthus, Bromus, Poa spp. Common; erect, taprooted annual; to 20 cm tall; corolla white. Phenology: flowering & fruiting.RMRM957494 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh82APatricia 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 albidus, Stipa comata. Common; erect, taprooted annual herb; 10-15 cm tall; corolla white. Phenology: flowering & fruiting.RMRM606355 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh38804Ronald L. Hartman1993627178U.S.A.WyomingConverseSouthern Powder River Basin/Southeast 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.-105.663842.85841518River margin and sandy flats and slopes. Phenology: flowering.RMRM365045 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh44William C. Edwards198366157U.S.A.WyomingLaramieCampus of Laramie County Community College, SE of Cheyenne.-104.783141.10641859Short grass prairie. Phenology: flowering.RMRM365089 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh25William C. Edwards198363154U.S.A.WyomingLaramieCampus of Laramie County Community College: SE of Cheyenne.-104.783141.10641859Short grass prairie. Phenology: flowering.RMRM51865 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.Margaret Lothian19036152U.S.A.WyomingJohnsonBuffalo.Phenology: flowering.RMRM606353 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh38533Ronald L. Hartman1993626177U.S.A.WyomingNatronaSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, 87, ca 8 air mi E of Casper.-106.170142.850115851600Sandstone outcrops, sandy slopes and grassland. Phenology: flowering.RMRM606352 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh38073Ronald 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: flowering.RMRM29019 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2893Aven Nelson1897515135U.S.A.WyomingLaramiePine Bluffs.-104.0741.164115241646In dry wallows. Mixed collection with O. cespitosa var. cespitosa. Phenology: flowering.RMRM86868 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh93Wright L. Hess1915720201U.S.A.WyomingNiobraraWestern part of the Great Plains Prairie at Jireh.-104.717242.76551631In sandy-silt loam. Phenology: flowering.RMRM364960 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh134William C. Edwards1983726207U.S.A.WyomingLaramieCampus of Laramie County Community College, SE of Cheyenne.-104.783141.10641859Short grass prairie. Phenology: flowering.RMRM398321 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1447Ruth O'Brien1986612163U.S.A.WyomingAlbanyLaramie Range: Nueces Ranch (old Adam Boyd Ranch), ca 25 mi SW of Wheatland.1859Rocky hillside. Flowers white. Phenology: flowering.RMRM260405 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh77V. June Wetherell1959617168U.S.A.WyomingPlatte10 mi S of Glendo on U.S. Hwy 87.Phenology: flowering.RMRM397915 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.D. Long J. Von Loh19836152U.S.A.WyomingLaramieF. E. Warren Air Force Base: Crow Creek near gate 2.-104.8733441.157151859Riparian. Phenology: flowering.RMRM322015 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh6676Ronald L. Hartman Keith Dueholm and Mary Alice Sanguinetti1978620171U.S.A.WyomingConversePowder River Basin: ca 12.5 air mi NE of Bill.-105.145343.40111371Ridge. Phenology: flowering.RMRM302148 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh749Barry Hammel1977917260U.S.A.WyomingLaramieCa 5 mi NE of Cheyenne, Wayne Childs Ranch.-104.760941.21851875In sandy soil, open ground, short grass prairie. Phenology: flowering.RMRM288137 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh123Seymour S. Sharp1912617169U.S.A.WyomingSheridanHills E of Sheridan.1158Sandy plains. Phenology: flowering.RMRM37657 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh8262Aven Nelson1901626177U.S.A.WyomingPlatteGuernsey.Sandy river bottoms. Phenology: flowering.RMRM193671 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4Robert E. Pfadt194363154U.S.A.WyomingConverseDouglas, E of city.Rangeland. Phenology: flowering.RMRM293471 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh124R. E. Ries D. W. Sabinske1973621172U.S.A.WyomingCampbellBlack Thunder Strip Mining Area: North Prong of Thunder Creek and Little Thunder Creek.-105.289343.68591442Upland sagebrush-grass; with big sagebrush, blue grama, needleandthread, plains prickley pear; sandy, Maysdorf and Pugsley soil series. Phenology: flowering.RMRM297726 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh16Robert Luce1975513133U.S.A.WyomingGoshenTable Mountain Wildlife Unit.-104.1441.856312191250Phenology: flowering.RMRM288135 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh124Seymour S. Sharp1912617169U.S.A.WyomingSheridanHills E of Sheridan.1173Waste ground. Phenology: flowering.RMRM200546 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh7Charles L. Turner194656126U.S.A.WyomingConverse1 mi E of Douglas.Sandy clay soil on hillside. Phenology: flowering.RMRM37658 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh193Leslie N. Goodding190173184U.S.A.WyomingNatronaLoomis Creek.-106.519842.76481585Flat clear of sage-brush. Phenology: flowering.RMRM3143 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh380Aven Nelson189479190U.S.A.WyomingPlatteWheatland.Phenology: flowering.RMRM339 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPurshs.n.B. C. Buffum189189221U.S.A.Wyomingno countyPhenology: flowering.RMRM293278 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh83Richard F. Harner1974618169U.S.A.WyomingCampbellN of Gillette.1387Sagebrush--grassland. Phenology: flowering.RMRM304683 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2530Herman E. Hayward1927730211U.S.A.South DakotaCusterEdgemont Road, 20 mi SW of Hot Springs.Rolling hills; sage - grass association; xero-mesophytic. Phenology: flowering.RMUSFS407116 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh306Edwin L. Miller1932627179U.S.A.WyomingJohnsonBighorn National Forest: North Clear Creek.1554Gentle southeast slope; light sandy soil; park; with wheat and grama grasses. Scarce; 10"-12" tall. Phenology: flowering.RMRM981935 Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh4658Bonnie Heidel2018626177U.S.A.WyomingSweetwaterGreat Divide Basin Area: Oregon Buttes Wilderness Study Area: ca 2.5 air mi SE of Oregon Butte summit, ca 16 air mi SW of South Pass City.-108.821142.23072225Basin slope, south aspect; with Hesperostipa comata, Phlox muscoides, Eremogone hookeri. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh1327Timothy W. Chumley1995630181U.S.A.ColoradoFremontEast-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sand Gulch off Sand Gulch or County Road 13, ca 2.8 road mi NE of intersection with County Road 12, ca 3 air mi NNE of Cotopaxi.-105.66638.483621702268Sparsely wooded slopes and drainages in pinyon-juniper on sandy-gravelly granitic soils with large granite outcrops. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh2422bTimothy W. Chumley1995725206U.S.A.ColoradoFremontEast-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: along the north face of Little Crampton Mountain and W along Cottonwood Creek, ca 1.5 air mi W of Colo Hwy 9, ca 13.5 air mi WNW of Canon City.-105.448838.568820732347On the lower slopes of the mountain. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh679Timothy W. Chumley199566157U.S.A.ColoradoPuebloEast-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Fort Carson: ca 2 air mi NW of Stone City; ca 8 air mi NE of Penrose; ca 21 air mi NW of Pueblo.-104.874538.45531682On sandstone and shale slopes of a broad, open drainage. Phenology: flowering.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh792Timothy W. Chumley1995614165U.S.A.ColoradoFremontEast-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sixmile Park: from Indian Springs Campground N along a tributary of Sixmile Creek, following an old road; ca 6 air mi NW of Canon City.-105.132638.513116462051Open, flat upland meadow. Phenology: flowering & fruiting.RM Oenothera albicaulisphysical specimenOnagraceaeOenotheraalbicaulisPursh875bTimothy W. Chumley1995616167U.S.A.ColoradoFremontEast-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sand Gulch S along a drainage intersecting Sand Gulch Road ca 1.2 road mi from intersection with Colo Hwy 9, ca 15 air mi NW of Canon City.-105.448838.583121032134In a coarsely sandy, highly disturbed wash. Phenology: flowering & fruiting.36003,1,0true