: 1.21 $2024-03-28T22:09:58-7:0035.172.193.238searchRMRM239804 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray1799J. E. Kirkwood1924712194U.S.A.MontanaMineralTarkio.Rockslide. Phenology: flowering & fruiting.RMUSFS516429 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. GrayJES-4Jack E. SchmautzU.S.A.MontanaMadisonBeaverhead National Forest: Ruby Dam.1615Slope 60% southwest; gravelly silt soil; with Ag.spicatum, Artemisia tridentata. Phenology: flowering & fruiting.RMUSFS516428 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray192Waldo D. Barlow19126153U.S.A.MontanaHelena National Forest.1524Sandy soil, roadside. Phenology: flowering & fruiting.RMUSFS516558 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. GrayB-204Fred Benson1934717198U.S.A.MontanaMadisonNorthern Rocky Mountain Forest: McCartney Creek/Rochester Basin.1676Slope 15 degrees south; sandy rocky loam soil. Phenology: flowering & fruiting.RMUSFS516567 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray6Robert Cooney Dan Drumheller1934620171U.S.A.MontanaParkAbsaroka National Forest: near Dome Mountain Ranger Station.1524Roadside. Phenology: flowering & fruiting.RMUSFS516566 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray398J. C. Whitman1921717198U.S.A.MontanaCuster National Forest: Long Pine District.853South slope; gravelly sandy or rocky soil. Phenology: flowering & fruiting.RMRM89905 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray698J. W. Blankinship1906812224U.S.A.MontanaDeer LodgeAnaconda1524Dry hillsides Phenology: flowering.RMRM137365 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray1813C. Leo Hitchcock1933719200U.S.A.MontanaMissoulaRoad Creek, ca 4mi S of Bonita Ranger Station.1097On rock slide beside road. Phenology: flowering.RMRM74004 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Grays. n.Wyatt W. Jones1899715196U.S.A.MontanaGallatinEast Flathead.Phenology: flowering.RMRM202927 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray13574C. Leo Hitchcock C. V. Muhlick1945813225U.S.A.MontanaPark5 mi N of Gardiner.Phenology: flowering.RMRM122084 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Grays. n.J. W. Blankinship1902718199U.S.A.Montanano countyShields River (flows through Park and Meagher counties).Phenology: flowering.RMRM162208 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray8063George E. Osterhout1934721202U.S.A.MontanaYellowstoneWest of Billings.Phenology: flowering.RMRM297650 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray1567Robert J. Hill C. Mooradian, E. Wong197189221U.S.A.MontanaParkYellowstone National Park: N of Gardiner.On tallus embankment; along road. Phenology: flowering.RMRM297649 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray1567aRobert J. Hill C. Mooradian and E. Wong197489221U.S.A.MontanaParkAlong road from Yellowstone National Park, N of Gardiner.On talus embankment; along road. Phenology: flowering.RMRM297631 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray1567Robert J. Hill C. Mooradian and E. Wong197489221U.S.A.MontanaParkAlong road from Yellowstone National Park, N of Gardiner.On talus embankment. Phenology: flowering.RMRM130302 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray1799J. E. Kirkwood1924712194U.S.A.MontanaMineralYellowston Trail between Tarkio and Superior.853Phenology: flowering.RMRM297646 Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray1573Robert J. Hill E. Wong, C. Mooradian1974810222U.S.A.WyomingParkWapiti Valley in the foothills to the Absoraka Mountains, 10 mi E of Yellostone National Park East enterance.Phenology: flowering.RMRM Mentzelia laevicaulisphysical specimenLoasaceaeMentzelialaevicaulis(Douglas ex Hook.) Torr. and A. Gray7317Emma E. Freeland2013721202U.S.A.MontanaMadisonAlder Gulch along Mont Hwy 287, ca 2 1/4 air mi NW of Virginia City, ca 9 air mi NE of Ruby River Reservoir.-111.979745.31391685Roadside. Phenology: flowering.RMRM665891 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray7735Amy J. Roderick Kevin J. Taylor199886218U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.-107.123842.26742012Along creek; limber pine, Rocky Mountain maple, and Ribes common. Phenology: flowering & fruiting.RMRM680908 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray59100Ronald L. Hartman1997729210U.S.A.WyomingParkNorthern Absaroka Area: Cabin Creek.-109.657444.125720422317Stream bottom and adjacent hills. Phenology: flowering.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray57384B. E. Nelson2002712193U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: mesa in Rochelle Hills, ca 1 air mi E of School Creek, ca 2.5 air mi SSE of Thunder Basin Work Center; ca 17.5 air mi ESE of Wright; ca 48 air mi SSE of Gillette.-105.169743.643414451487Slopes of the canyon. Phenology: flowering & fruiting.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray58128B. E. Nelson2002816228U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: along Steckley or Forest Road 942 above the head of East Logan Draw and Dugout Creek drainage, ca 12 air mi NNW of Bill; ca 50 air mi N of Dougals.-105.330343.398814811493Scoria slopes and hilltops. Phenology: flowering & fruiting.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray1176Peter J. Ebertowski200275186U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: tributary S of Keyton Creek on Rochelle Hills or Forest Road 933, ca 26 air mi SE of Wright, ca 23.5 air mi NNE of Bill.-105.089943.544314631530Rocky soil in ravine with patches of ponderosa pine. Phenology: flowering & fruiting.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray3400Peter J. Ebertowski2002824236U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: Red Hills immediately N of gravel pit on two track off of Forest Road 942, ca 16 air mi N of Bill; ca 24 air mi SE of Wright.-105.270343.456214321475Scoria hills. Phenology: flowering & fruiting.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray3412Peter J. Ebertowski2002824236U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: scoria-topped hills N of Dugout Creek on Forest Road 942, ca 12 air mi N of Bill; ca 28 air mi SE of Wright.-105.350243.398814751500Scoria covered hills with patches of exposed clayey soils. Phenology: flowering & fruiting.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray6428Peter J. Ebertowski2003710191U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: Burning Coal Draw just N of North Prong Little Thunder Creek on Wyo Hwy 450, ca 15 air mi ESE of Wright; ca 43 air mi SSE of Gillette.-105.229543.685914081451Grassland on scoria slope. Phenology: flowering.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray8208Peter J. Ebertowski2003815227U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: hills between Sunny Draw and Beckwith Creek, on two-track off Forest Road 973, ca 23 air mi SE of Wright; ca 52 air mi SW of Newcastle.-105.169743.51614261493Scoria hills; hilltops and ravines with ponderosa pine and Rocky Mountain juniper. Phenology: flowering & fruiting.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray8443Peter J. Ebertowski2003821233U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: Red Hills, ca 0.5 mi S of Antelope Creek, on Forest Road 942, ca 23 air mi SE of Wright; ca 51 air mi N of Douglas.-105.229543.487613781469Scoria hills. Phenology: flowering & fruiting.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray8469Peter J. Ebertowski2003821233U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: scoria hills SE of Logan Draw, on Forest Road 1416, ca 23 air mi SE of Wright; ca 49 air mi N of Douglas.-105.310343.456214201448Scoria hills. Phenology: flowering & fruiting.RMRM623439 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray8917Erwin F. Evert1985726207U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: along Elk Fork Creek trail, ca 5-6 mi S of U.S. Hwy 14, 16, and 20.-109.684444.389319812042Mostly open habitats with Artemisia spp. Phenology: flowering.RMRM726402 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray11530Erwin F. Evert1986826238U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: along U.S. Hwy 14, 16, and 20, opposite Henry Ford Rock.-109.76544.46181905Disturbed roadside turn-out area. Phenology: flowering.RMRM726568 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray11693Erwin F. Evert1986829241U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: along north side of North Fork Shoshone River, ca 1/8 mi W of Newton Creek Campground.-109.76544.44731890In open Douglas fir forest and in Artemisia steppe openings. Phenology: flowering.RMRM732270 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray13201Erwin F. Evert198779190U.S.A.WyomingParkAbsaroka Mountains: North Fork Shoshone River Drainage: along Turret Creek (a tributary of Sweetwater Creek) ca 6 mi N of U.S. Hwy 14, 16, and 20.-109.678244.5442042On gravel bars in and beside streambed. Phenology: flowering.RMRM611138 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray25953Erwin F. Evert1993710191U.S.A.MontanaStillwaterBeartooth Mountains: Custer National Forest: along Forest Road 846 ca 1/4 mi N of Mountain View Creek, ca 7 mi SW of Nye.-109.881145.3851646Talus slope along switchbacks with Phacelia hastata, Senecio canus, and Chaenactis douglasii. Phenology: buds.RMRM782500 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray28997Erwin F. Evert1995615166U.S.A.MontanaParkParadise Valley: Gallatin National Forest: La Duke Trail Head, just E of U.S. Hwy 89, ca 6 mi NW of Gardiner.-110.770345.09516151676Disturbed sagebrush-grassland with Artemisia arbuscula, Lewisia rediviva, Lappula redowskii, and Allium textile. Phenology: flowering.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray50731B. E. Nelson Joy Handley2000716198U.S.A.IdahoAdamsPayette National Forest and Vicinity: West Mountains: along Little Weiser River at the confluence of King Hill Creek, ca 15 air mi SSE of Council.-116.320344.52051097Roadside and cut through volcanic material. Phenology: flowering.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray6736Joy Handley B. E. Nelson2000716198U.S.A.IdahoAdamsPayette National Forest and Vicinity: Weiser River Valley: along Middle Fork Weiser River Road, ca 6 air mi S of Council; ca 6 air mi N of Indian Valley.-116.421544.6363914945Roadside grassland and riparian area. Phenology: flowering.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray64549Ronald L. Hartman Joy Handley199965156U.S.A.IdahoWashingtonPayette National Forest and Vicinity: Raft Creek and Snake River-117.069244.6076401021Very weedy area along river and creek, and on shaly slopes. Phenology: flowering & fruiting.RMRM666420 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray1856Amy J. Roderick199777188U.S.A.WyomingCarbon[location and coordinates withheld]2042South facing red sand butte. Phenology: flowering.RMRM666419 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray2108Amy J. Roderick1997712193U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Pathfinder Reservoir: Tye Draw leading into reservoir, ca 8 air mi N of Seminoe Dam; ca 38 air mi NE of Sinclair.-106.890242.26741786Sandy embankment of draw leading into reservoir. Phenology: flowering.RMRM934883 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray4842Luanne Lum Michelle Wilson2002723204U.S.A.WyomingParkBighorn Basin: along Shoshone River W of Willwood Dam and County Road-108.905844.67313441371Sagebrush. Phenology: flowering.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray1917Rachel Newton2005714195U.S.A.WyomingGoshenWetlands and Adjacent Areas: Grayrocks Reservoir, ca 10 air mi NE of Wheatland.-104.751342.1361317Dry rocky uplands. Phenology: flowering.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray2932Rachel Newton2005731212U.S.A.WyomingPlatteWetlands and Adjacent Areas: Antelope Creek and pond formed by damming, ca 14 air mi NNW of Chugwater.-104.898241.94061470Dry uplands. Phenology: flowering.RMRM199225 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray3827C. L. Porter Marjorie W. Porter1945826238U.S.A.WyomingLincolnWyoming National Forest ca 20 mi S of Afton.-110.930542.4848On road cut banks. Phenology: flowering & fruiting.RMRM211219 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray4795C. L. Porter194884217U.S.A.WyomingSubletteNear Pinedale.-109.860942.86692195Gravelly cut banks. Phenology: flowering & fruiting.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray1931Robin Jones1991711192U.S.A.WyomingHot SpringsOwl Creek/Bridger Mountains: Hogback Ridge, ca 7 air mi NNW of Hamilton Dome; ca 25 air mi NW of Thermopolis.-108.618943.8672216821885South-facing slopes of ridge composed of sandstone, conglomerate, and mudstone.RMRM779174 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray2411Bonnie Heidel Frank Blomquist2003722203U.S.A.WyomingCarbonSeminole Mountains, ca. 2 air miles northwest of Seminole Dam.2134Rocky ridge above Seminole Reservoir, on steep silt slope of roadcut, east aspect. Phenology: flowering & fruiting.RMRM609461 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray6919Erwin F. Evert198477189U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: along the north side of the North Fork Shoshone River, ca 1/2-2 mi W of Wapiti.-109.442844.476317071768Phenology: flowering.RMRM623440 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray9546Erwin F. Evert1985819231U.S.A.WyomingParkSoutheastern Absarokas: Stratford Ranch, SE of main ranch buildings along east side of South Fork Shoshone River, ca 40 mi SW of Cody.-109.59644.140219512042Sagebrush-grassland community. Phenology: flowering.RMRM666418 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray3106Amy J. Roderick199782214U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Seminoe Mountains: foothills on south side of range W of County Road 351, ca 2.3 air mi SSW of Seminoe Dam; ca 25.5 air mi NE of Sinclair.-106.929142.122921342164Northwest facing red sand slope dominated by mountain mahogany and scattered limber pine; slope leading into draw. Phenology: flowering & fruiting.RMRM679617 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray5395B. A. Packer T. McGowan and J. Brondum1998815227U.S.A.WyomingNatronaLaramie Range: off of Wyo Hwy 487, ca 40 air mi SE of Casper on County Road 402.-106.393542.642317981890Dry creekbeds. Phenology: flowering & fruiting.RMRM655889 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray19287B. E. Nelson199076187U.S.A.WyomingTetonMount Leidy Highland Area: Gray Hills: N of Gros Ventre River, ca 2 air mi NW of west end of Upper Slide Lake, ca 21 air mi ENE of Jackson.-110.378643.60252317Steep clay slopes. Phenology: flowering.RMRM327336 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray5866Keith H. Dueholm1978810222U.S.A.WyomingJohnsonPowder River Basin: ca 7.5 air mi E of Buffalo.-106.528344.331941341Plains, rocky ridges, scoria-topped buttes, loose talus slopes, shaley slopes; talus slopes. Phenology: flowering & fruiting.RMRM327334 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray5989Keith H. Dueholm1978811223U.S.A.WyomingSheridan[location and coordinates withheld]1341Plains, rocky slopes, draw with standing water, creek and meadows; rocky slopes. Phenology: flowering & fruiting.RMRM332084 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray8476Keith H. Dueholm1979722203U.S.A.WyomingJohnsonPowder River Basin: east side of Lake De Smet.-106.7336144.46251402Deep cut draw in clinker bed, edge of lake with much cattle activity beneath plum thicket; draw sides. Phenology: flowering.RMRM334170 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray8554Keith H. Dueholm197982214U.S.A.WyomingJohnsonPowder River Basin: ca 8 air mi ESE of Buffalo.-106.508344.27331341Sagebrush plain, scoria topped butte, rocky slopes; butte. Phenology: flowering.RMRM332083 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray8685Keith H. Dueholm197983215U.S.A.WyomingJohnsonPowder River Basin: ca 3 air mi E of Lake De Smet.-106.6933344.49081463High, rocky ridge, gravelly crest with clinker, sagebrush plain at base; slope. Phenology: flowering & fruiting.RMRM535637 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray21981Ronald L. Hartman1985819231U.S.A.WyomingParkNorthern Absarokas: falls on Sunlight Creek, south side, ca 4.5 air mi NE of Sunlight Ranger Station.-109.472544.759419201951Northern exposure with Douglas fir and white spruce on slopes and bottom, respectively. Phenology: flowering.RMRM630017 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray1545Thomas Cramer Jane T. Kellett199473184U.S.A.WyomingSubletteGreen River Basin: New Fork River, ca 4.5 air mi S of Boulder.-109.741142.6852118Riverside meadows and cottonwood/willows with adjacent sagebrush. Phenology: flowering.RMRM630016 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray2707Thomas Cramer199484216U.S.A.WyomingSweetwaterGreen River Basin: east end of Fontenelle Reservoir Dam, ca 3 air mi N of Fontenelle.-110.049242.031996Reservoir edge with rabbitbrush, sagebrush, and assorted Chenopodiaceae. Phenology: flowering & fruiting.RMRM630015 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray4393Thomas Cramer Ben and Becky Cramer1994821233U.S.A.WyomingSweetwaterGreen River Basin: Big Sandy River, ca 1 air mi SW of Farson.-109.4642.09812003Riverside meadows, sagebrush, and open hillsides. Phenology: flowering & fruiting.RMRM630014 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray4523Thomas Cramer Ronald L. Hartman1994823235U.S.A.WyomingLincolnGreen River Basin: Green River, ca 6 air mi S of La Barge.-110.182942.17471984Riverside meadows and willows. Phenology: fruiting.RMRM869872 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray2816Emily Elliott Ken Elliott200778189U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: along Forest Road 348, ca 29 air mi SW of Livingston.-110.771745.26617071768Road cut in cobbely, sandy soil. Phenology: flowering & fruiting.RMRM665892 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray6666Amy J. Roderick1998718199U.S.A.WyomingNatronaUpper North Platte and Laramie River Drainages: Blue Gulch N of Wyo Hwy 220, ca 3.2 air mi NW of Alcova townsite.-106.747442.59861737Sagebrush-rabbitbrush draw with black shale slopes. Phenology: flowering.RMRM297694 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray1528Robert J. Hill Dennis Knight1974711192U.S.A.WyomingFremontSouth Wind River Mountains: on Miller Creek Road.In the foothills on south-facing slopes. Common. Phenology: flowering.RMRM312586 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Grays.n.George E. Osterhout1936710192U.S.A.WyomingShoshone Canyon.Phenology: flowering.RMRM146690 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray2234C. L. Porter193689222U.S.A.WyomingParkElk River, near Wapati Ranger Station.-109.444344.7563Sandy stream bank. Flower lemon yellow. Phenology: flowering.RMRM237752 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Grays.n.Harry Hapeman19068213U.S.A.WyomingParkShoshone Mountains.Phenology: flowering.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray2445Joshua J. Irwin Craig Scott2010719200U.S.A.IdahoCusterEast Fork Salmon Mountains: Spar Canyon at the confluence with the East Fork Salmon River, 6.5 air mi ESE of Clayton.-114.2792344.2221703Well developed soil in xeric desert scrub vegetation; 4° slope, SSW aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray90986Ronald L. Hartman201083215U.S.A.IdahoLemhiSalmon National Forest: Beaverhead Mountains: lower Railroad Canyon, 4.4 road mi NE of Leadore on Ida Hwy 29.-113.282544.71311950Limestone outcrops and talus slope to roadside. Phenology: flowering & fruiting.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray92077Ronald L. Hartman2011816228U.S.A.IdahoCusterChallis National Forest: Southern Salmon River Mountains: ca 3 road mi N of Ida Hwy 75 on Squaw Creek Road, along road for ca 100 m, ca 19.5 air mi SW of Challis.-114.4669544.2799331736Talus slopes and roadside. Phenology: flowering & fruiting.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray6043Joshua J. Irwin2011711192U.S.AIdahoCusterSouthern Salmon River Mountains: hillside just N of Alkali Spring and S of Point 6012, 14.6 air mi N of Challis.-114.2856944.298341760In xeric soil on barren ground, 33 degree slope, W aspect, arenite geology. Phenology: flowering.RMRM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray6707Joshua J. Irwin2011723204U.S.AIdahoButteArco Hills: west edge of Deadman Flat, north of junction of Ida Hwy 22/88 and U.S. Hwy 20/26, 7.2 air mi E of Arco.-113.1593343.617211621In xeric soil within a juniper vegetation, 4 degree slope, ENE aspect, tholeiite geology. Phenology: flowering & fruiting.RM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray7735Amy J. Roderick199882214U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.2012Along creek; limber pine, Rocky Mountain maple, and Ribes common. Phenology: flowering & fruiting.RMRM961571 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray459Patricia P. Douglas Nancy E. Hastings2001718199U.S.A.WyomingFremontLander Training Area: south end of transect ca 1.1 km NE of Smith Creek, ca 4.1 km NW of Little Popo Agie River.16341646Drainage and slopes (level to 45°); Wyoming big sagebrush with mixed grasses; sand to silty loam to clay loam with pebbles to clunkers; with Artemisia tridentata, A. nova, A. campestris, A. ludoviciana, A. frigida, Rhus trilobata, Elymus spicatus, Elymus elymoides, Koeleria macrantha. Local; erect, woody taprooted, perennial herb; 3 dm tall; corolla 5-petalled; when fresh white on exterior, yellow interior. Phenology: flowering.RMRM961586 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray96Patricia P. Douglas Nancy E. Hastings199999252U.S.A.WyomingFremontLander Training Area: west end of transect ca 0.8 km E of Smith Creek, ca 3.3 km NW of Little Popo Agie River.16501676West-facing slope (0-30°); greasewood desert shrubland; Frontier/Mowry formation, clay loam to sandy clay loam; with Sarcobatus vermiculatus, Chrysothamnus nauseosus, Artemisia tridentata, Atriplex confertifolia, Grindelia squarrosa, Gutierrezia sarothrae. Scattered; erect, fusiform taproot, perennial herb; 6 dm tall; corolla dorsal surface ochroleucous, ventral surface lemon yellow. Phenology: flowering.RMRM665890 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray7900Amy J. Roderick199888220U.S.A.WyomingNatronaUpper North Platte and Laramie River Drainages: Pathfinder Reservoir and Mountain: Bishop Point Recreation Area, ca 3.4 air mi W of County Road 409; ca 10.5 air mi SW of Alcova townsite.-106.904742.49661792Sandy shoreline and adjacent granite outcrops; sagebrush and rabbitbrush common. Phenology: flowering.RMRM51928 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray1725Leslie N. Goodding1903720201U.S.A.WyomingCarbonSlater, near Colorado.-107.397541.01011981Clay hillsides. Phenology: flowering & fruiting.RMRM94182 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray3081Edwin B. Payson Lois B. Payson1922820232U.S.A.WyomingTetonSnake River below Jackson.-110.762643.39941981Dry roadside. Phenology: flowering & fruiting.RMRM153683 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray87Robert L. Lang1936827240U.S.A.WyomingSweetwaterBig Sandy River W of Eden.-109.467142.04592103Along bank of river. Phenology: flowering & fruiting.RMRM20186 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray6000Aven Nelson Elias Nelson1899719200U.S.A.WyomingParkYellowstone National Park: Gardiner River.On a clayey bank. Phenology: flowering & fruiting.RMRM103986 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray4425Edwin B. Payson Lois B. Payson1925721202U.S.A.WyomingSubletteNear Boulder.-109.93743.1555Phenology: flowering & fruiting.RMRM129945 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray843Louis O. Williams1932712194U.S.A.WyomingTetonSnake River.-110.730143.32361829Cut bank. Flowers yellow. Phenology: flowering & fruiting.RMRM126476 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray10117Aven Nelson1924810223U.S.A.WyomingParkShoshone Canyon.-109.143744.507916151646Sandy stony banks. Phenology: flowering & fruiting.RMUSFS407217 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray732Ray T. Parks193681214U.S.A.WyomingBig HornBighorn National Forest: Shell Canyon below Post Creek.1829North 25% slope; clay soil; barren slopes. Common. Phenology: flowering & fruiting.RMRM297693 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Grays.n.John F. Thilenius19747182U.S.A.WyomingCampbellForest Service Land, 2.5 mi N of Porcupine Reservoir.Phenology: flowering & fruiting.RMRM297672 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray1553Robert J. Hill Dennis Knight1974711192U.S.A.WyomingSweetwaterGreat Divide Basin and Adjacent Regions: east side of Flaming Gorge National Recreation Area: Wyo Hwy 373,In roadcut. Common. Phenology: flowering & fruiting.RMRM297658 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray871Robert J. Hill1973713194U.S.A.WyomingUintaGreat Divide Basin and Adjacent Retions: Grizzly Buttes, near Mountain View (Leavitt Creek).-110.344541.22152073Along dry road bed before descent road into badlands. Infrequent. Phenology: flowering.RMRM580009 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray13326Walter Fertig Jane Struttmann1992813226U.S.A.WyomingNatronaPathfinder National Wildlife Refuge: northeast shore of Pathfinder Reservoir on banks of channel between upper and lower parts of the reservoir, ca 4.5 mi S of Wyo Hwy 220.-106.902742.496417861798Steep, open banks of siltstone outcrop above dry side channel. Phenology: flowering & fruiting.RMRM297689 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray867Robert J. Hill1973710191U.S.A.WyomingLincolnGreat Divide Basin and Adjacent Retions: 5 mi W of Opal, on U.S. Hwy 30.in dry sloping red, clay soils; occurring with no other plants. Phenology: flowering & fruiting.RMRM79557 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Grays.n.M. J. Beitel1966U.S.A.WyomingCarbonSeminoe Dam.Among rocks in front of dam. Phenology: flowering & fruiting.RMRM264845 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray8733C. L. Porter Marjorie W. Porter196178189U.S.A.WyomingSweetwater5 mi S of Green River.-109.482341.47512012Dry, gravelly soil in semidesert. Occasional; corolla lemon-yellow. Phenology: flowering & fruiting.RMRM335078 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray639Ann Aldrich1979815227U.S.A.WyomingSweetwaterNW of Sheep Mountain, ca 17.5 mi SSE of Green River.1966Very shallow soil in a sagebrush area with Chrysothamnus viscidiflorus. Phenology: flowering & fruiting.RMRM273246 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray9402C. L. Porter Marjorie W. Porter1963719200U.S.A.WyomingTeton10 mi S of Jackson.-110.729143.36761829Steep clay banks along highway. Petals 5, lemon-yellow. Phenology: flowering.RMRM38090 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray3617Frank Tweedy1900615166U.S.A.WyomingJohnsonBetween Sheridan and Buffalo.-107.03944.570110671524Rolling plains. Phenology: flowering & fruiting.RMRM4865 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray678Aven Nelson1894729210U.S.A.WyomingNatronaGarfield Peak.-107.274242.78572515Phenology: flowering & fruiting.RMRM162207 Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray843Louis O. Williams1932712194U.S.A.WyomingTetonSnake River.-110.730143.32361829Cut bank. Phenology: flowering.RM Mentzelia laevicaulis var. laevicaulisphysical specimenLoasaceaeMentzelialaevicaulisvar. laevicaulis(Douglas ex Hook.) Torr. and A. Gray6414C. H. Refsdal Barbara McNight199581213U.S.A.UtahDaggettSouthwestern Wyoming and Adjacent Utah: Browns Park: Green River, ca 13 air mi ESE of Dutch John; 1.8 mi S of junction of Jarvie Ranch/Browns Park roads on west side Browns Park Road.-109.137340.879816461670Upland, sandy soils, scattered juniper, salt desert shrubs. Phenology: flowering & fruiting.36003,1,0true