: 1.21 $2024-03-28T20:10:47-7:003.235.130.73searchRMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh57999B. E. Nelson Peter Ebertowski2002814226U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: along the Cheyenne River from Sheep Creek down stream ca 1 mi, ca 22 air mi NE of Bill; ca 54 air mi NNE of Douglas.-104.950843.45621307Pools along the river channel. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1315Peter J. Ebertowski200277188U.S.A.WyomingCrookThunder Basin National Grassland and Vicinity: Cracker Creek on County Road 68, ca 25 air mi NNE of Weston; ca 40 air mi NNE of Gillette.-105.035544.746711891225Creek bed. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2544Peter J. Ebertowski200282214U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: Wild Horse Creek on York or Forest Road 900, ca 27 air mi NNE of Gillette; ca 24 air mi N of Rozet.-105.217844.629212071234Creek bank and floodplain. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2664Peter J. Ebertowski200285217U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: Stinking Water Creek on County Road 31, ca 34 air mi SSW of Wright; ca 42 air mi NNW of Douglas.-105.727843.306515821597Pool in creek bed. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2860Peter J. Ebertowski B. E. Nelson2002813225U.S.A.WyomingConverseThunder Basin National Grassland and Vicinity: along Sand Creek above and below confluence with Coal Draw, ca 20 air mi NW of Bill; ca 46 air mi NNW of Douglas.-105.589243.392114661475Stream channel. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6570Peter J. Ebertowski2003711192U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: Well Creek, on Stewart Road, ca 10 air mi WNW of Moorcroft; ca 18 air mi E of Gillette.-105.155744.31413041317Pond. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8082Peter J. Ebertowski2003813225U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: West Fork Cottonwood Creek, on Avon Road, ca 15 air mi ENE of Gillette; ca 6 air mi N of Rozet.-105.216444.359212561286Creek bed. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh26260Erwin F. Evert1993724205U.S.A.IdahoFremontSarghee National Forest: Yellowstone Plateau: along shore of Paddy Lake, just N of Forest Road 261 (Reclamation Road), ca 18 mi E of Ashton.-111.122144.06431902Wet soil and shallow water with Porterella carnosula, Sagittaria cuneata, Nuphar polysepalum, and Carex athrostachya.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh70438B. E. Nelson James F. Fowler2006828240U.S.A.ArizonaCoconinoCoconino National Forest: Lockett Meadow in Interior Valley on east side of San Francisco Mountain, ca 11 air mi N of Flagstaff.-111.625435.355726092646In a small tank in the meadow. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh70604B. E. Nelson James F. Fowler2006831243U.S.A.ArizonaCoconinoCoconino National Forest: at the intersection of Ariz Hwy 87 and Forest Road 300 in the vicinity of Baker Lake, ca 1 air mi N of the Mogollon Rim, ca 53 air mi SSE of Flagstaff.-111.39634.45462265In muddy shallows. Phenology: fruiting.RMRM733049 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh00-522Arnold Clifford N. Duane Atwood2000620172U.S.A.ArizonaApacheNavajo Indian Reservation: Chuska Mountains: East side of dirt road 3/4-1 mi E of Roof Butte Ranger Lookout post.-109.0778936.460792682Drying pond margin preimeter; grass-sedge hydrophytic plant community; dark silty clay to clay soils that are moist to saturated. Phenology: flowering & fruiting.RMRM960883 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh63479Ronald L. Hartman1998816228U.S.A.New MexicoColfaxNM Hwy 72, 11 road mi E of I-25 (milepost 11).-104.278336.92192500Roadside through wooded area. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4739Joy Handley200063155U.S.A.IdahoWashingtonPayette National Forest and Vicinity: Hitt Mountains: Hixon Sharptail Preserve, Fairchild Reservoir, ca 8 air mi W of Midvale; ca 14 air mi SW of Cambridge.-116.902644.461311121173In mucky soil around small pond in open grass and shrubland. Phenology: vegetative only.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh70337Ronald L. Hartman2000823236U.S.A.IdahoValleyPayette National Forest and Vicinity: Long Valley: Little Payette Lake, northwest corner.-116.03544.92641554Edge of lake and roadside. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4777Grace M. Kostel20031013286U.S.A.South DakotaCusterBuffalo Gap National Grassland and Vicinity: ca 15.5-16 air mi SSE of Hermosa along French Creek.-103.030243.6377929Creek banks with moist clay and silt soils. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8759Grace M. Kostel2005717198U.S.A.South DakotaPenningtonBuffalo Gap National Grassland and Vicinity: ca 1.5 air mi due N of Scenic.-102.55448343.800117853In badlands floodplain wetland, soils are black clay alkaline muck. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh9321Grace M. Kostel2005723204U.S.A.South DakotaJacksonBuffalo Gap National Grassland and Vicinity: ca 6 air mi SW of Kadoka on County Road CH6.-101.60376743.779683712In wetland soil depression having clay soil. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh9919Grace M. Kostel2005816228U.S.A.South DakotaJacksonBuffalo Gap National Grassland and Vicinity: ca 11.5 air mi SW of Kadoka.-101.72398343.771117701In wetland reservoir. Phenology: fruiting.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2038Margarette J. Lyon199379190U.S.A.ColoradoMontroseSan Miguel and lower Dolores River Drainages: San Miguel River Drainage: Uncompahgre Plateau: at stockpond S of Hanks Valley Road, and by Cedar Creek.-108.103238.24092500In and next to stock pond, and in riparian area by creek. Phenology: flowering & fruiting.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh5452Margarette J. Lyon1994628179U.S.A.ColoradoMesa[location and coordinates withheld]2500At stock pond. Phenology: flowering.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh5693Margarette J. Lyon199478189U.S.A.ColoradoMesaSan Miguel and Lower Dolores River Drainages: Uncompahgre Plateau: off Uranium Road, ca 2 mi W of Divide Road around Far Pond.-108.800138.71852829Around stockpond. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh12407Stuart Markow2002814226U.S.A.OregonWallowaBlue Mountains: Umatilla National Forest: pond on north side of Forest Road 6214, ca 1/4 air mi E of Hoodoo Trail parking area, ca 7 air mi W of Troy.1036Drying down pond dominated by Alisma triviale and Eleocharis palustris, with Carex vesicaria, Mentha arevensis, Galium trifidum and Cornus sericea. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh12521Hollis Marriott2005820232U.S.A.South DakotaPenningtonBlack Hills: Mount Rushmore National Memorial: Starling Basin -- drainage bottom S of SD Hwy 246 and S of the Faces, immediately W of Rushmore spur off Centennial Trail, ca 0.2 mi N of park boundary.1509Emergent in shallow water.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh7213Lynn Marie Moore Sierra Smith1995715196U.S.A.ColoradoDoloresUpper Dolores River Drainage and Adjacent Areas: San Juan National Forest: ca 14 air mi N of Dolores S of Forest Road 520A at the Cabin Reservoir Area.-108.585737.66932530Wetlands around reservoir and associated emergent plants. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2032Rachel Newton2005715196U.S.A.WyomingNiobraraWetlands and Adjacent Areas: Old Woman Creek, ca 18 air mi N of Lusk.-104.382343.04441269Moist creek bed and banks. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh3327Rachel Newton2005810222U.S.A.WyomingSweetwaterWetlands and Adjacent Areas: Muddy Springs, ca 28 air mi WNW of Rawlins.-107.716341.89051971Moist banks of spring-fed pond. Phenology: fruiting.RMRM229678 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6182C. L. Porter B. F. Miller1952821234U.S.A.WyomingAlbanyValley of the Little Laramie River, 10 mi W of Laramie.-105.952641.34012225Roadside ditch. Phenology: fruiting.RMRM275930 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2008R. J. Barr W. R. Brewer and C. T. Mason, Jr.196185217U.S.A.ArizonaApacheChuska Mountains: W of Roof Butte, small lake near Wide Lake.-109.097336.460392957Phenology: flowering & fruiting.RMRM764987 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1140C. A. Popolizio D. Hazlett199695249U.S.A.WyomingPlatteCamp Guernsey: Broom Creek Canyon, ca 0.7 km SW of confluence with Deadhorse Canyon and 1.8 km E of Spring Creek.-104.781842.35791420Infrequent in riparian on gentle to steep slopes with sandy loam with stones and boulders with Juniperus scopulorum, Prunus virginiana, Rhus trilobata, Bromus inermis, and Melilotus officinalis. Phenology: fruiting.RMRM764988 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1140C. A. Popolizio D. Hazlett199695249U.S.A.WyomingPlatteCamp Guernsey: Broom Creek Canyon, ca 0.7 km SW of confluence with Deadhorse Canyon and 1.8 km E of Spring Creek.-104.781842.35791420Infrequent in riparian on gentle to steep slopes with sandy loam with stones and boulders with Juniperus scopulorum, Prunus virginiana, Rhus trilobata, Bromus inermis, and Melilotus officinalis. Phenology: fruiting.RMRM600736 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6351Robert D. Dorn199581213U.S.A.WyomingNiobraraLusk.-104.447742.76361524Shallow stream with Veronica.RMRM600666 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6380Robert D. Dorn199583215U.S.A.WyomingGoshen3.5 mi N of La Grange.-104.16941.69581371Edge of cattails with Scirpus and Alopecurus.RMRM600524 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6709Robert D. Dorn1995912255U.S.A.WyomingConverseLost Springs.-104.921242.76181524Dry wash with Typha and Beckmannia.RMRM99274 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh607A. C. McIntosh1924815228U.S.A.South DakotaMeadeBear Butte.-103.43844.46719661042In mud, drying up stream. Phenology: flowering.RMRM106653 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh826A. C. McIntosh1926813225U.S.A.South DakotaLawrenceBetween Custer Peak and Nahant.-103.732544.209317221792Clump in pond. Phenology: flowering.RMRM99274 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh607Arthur C. McIntosh1924815228U.S.A.South DakotaMeadeBear Butte.-103.43844.46719661042In mud, drying up stream. Phenology: flowering.RMRM106653 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh826Arthur C. McIntosh1926813225U.S.A.South DakotaLawrenceBetween Custer Peak and Nahant.-103.732544.209317221792Clump in pond. Phenology: flowering.RMRM709846 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh138Cheryl Mayer200087220U.S.A.South DakotaCusterBlack Hills: Black Elk Wilderness: Trail # 7 along tributary to Grizzly Bear Creek, ca 8.0 air mi NE of Custer.-103.479743.85211585Ponderosa pine and bur oak; growing in standing water. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh12291Hollis Marriott Patches2000821234U.S.A.South DakotaCusterBlack Hills: Black Elk Wilderness, upper Grizzly Bear Creek along trail just inside Wilderness boundary, ca 2.2 air mi NW of Camp Remington.-103.481643.85011585On drying mud in old beaver pond.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh12291Hollis Marriott Patches2000821234U.S.A.South DakotaCusterBlack Hills: Black Elk Wilderness, upper Grizzly Bear Creek along trail just inside Wilderness boundary, ca 2.2 air mi NW of Camp Remington.-103.481643.85011585On drying mud in old beaver pond.RMUSFS411833 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh59N. Lyon Keith Evans1965727208U.S.A.South DakotaJonesFort Pierre National Grassland.-100.377644.0048621Near pond; on 6% northwest slope; Pierre clay soil; grassland vegetation type. Elev more likely 2040 f (+/-) (USGS 7.5) G. Bryson Phenology: flowering.RMUSFS411821 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh106Roger R. Kerbs1970814226U.S.A.South DakotaJacksonBuffalo Gap National Grassland: Grassland stockpond; study pond C.-101.94543.8374786Stockpond shoreline; clay soil; with Alisma sp., and Eleocharis palustris. Phenology: fruiting.RMUSFS411834 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh69Roger R. Kerbs196971182U.S.A.South DakotaJacksonBuffalo Gap National Grassland: Study Pond D.-101.91643.8368762With grassland emergents Juncus spp., and Eleocharis sp.; clay soil; common. Elev closer to 2500 f (+/-) (USGS 7.5') G. Bryson Phenology: flowering.RMRM70144 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh33S. S. Visher1910723204U.S.A.South DakotaHardingLittle Missouri Valley: 12 mi N of Crook.-103.915945.7025926Pond border. Phenology: flowering & fruiting.RMRM70145 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh33.1S. S. Visher1910824236U.S.A.South DakotaHardingMoreau River Valley: Soft Water Creek.-103.481245.3156932Phenology: flowering.RMRM346160 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh239Stephen Van Sickle1982813225U.S.A.South DakotaJacksonFreeman Dam.-101.15343.892676Shoreline; occasional. Phenology: fruiting.RMRM520953 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh279Stephen Van Sickle1982814226U.S.A.South DakotaJonesMurdo Dam.-100.722343.9188667Emergent in shallow water; common. Phenology: flowering & fruiting.RMRM68305 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.T. A. WilliamsU.S.A.South DakotaJacksonBad River; Cottonwood Creek.-101.893943.9601679759Jones/Stanley Counties; collected prior to 1903. Phenology: flowering & fruiting.RMRM68305 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.T. A. WilliamsU.S.A.South DakotaJacksonBad River; Cottonwood Creek.-101.893943.9601679759Jones/Stanley Counties; collected prior to 1903. Phenology: flowering & fruiting.RMRM153032 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh67Alan A. Beetle Snyder1937626177U.S.A.ColoradoDouglasCastle Rock.1829Freshwater bog. Phenology: flowering.RMRM226816 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh146Alice Eastwood1910915258U.S.A.ColoradoDenverDenver.Margin of drying ground. Phenology: fruiting.RMRM365112 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh106Andrew Warren1983718199U.S.A.ColoradoMoffatAxial Basin: Fourmile Creek: 4 mi S of Baggs on CO Hwy 789; ca 33 air mi N of Craig.-107.629940.98131905Abundant in marsh. Phenology: flowering.RMRM157277 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh425Carl F. Baker1901712193U.S.A.ColoradoMontroseRegion of the Gunnison Watershed: Cerro Summit.Phenology: flowering & fruiting.RMRM33027 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh425Carl F. Baker1901712193U.S.A.ColoradoMontroseRegion of the Gunnison Watershed: Cerro Summit.Phenology: flowering & fruiting.RMRM204007 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh3940C. L. Porter1946626177U.S.A.ColoradoRouttBetween Craig and Steamboat Springs.Roadside ditch. Phenology: flowering.RMRM45267 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2518C. S. Crandall1897717198U.S.A.ColoradoLarimerFort Collins.Near the river. Phenology: flowering & fruiting.RMRM157266 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.C. S. Crandall1898717198U.S.A.ColoradoLarimerCache la Poudre River: near Fort Collins.1524Banks. Phenology: buds.RMRM133127 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1542Earl F. Castetter1932714196U.S.A.New MexicoRio ArribaEspanola.-106.1384935.981791981Pond at roadside. Phenology: flowering & fruiting.RMRM61953 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh497Earl L. Johnston1907U.S.A.Coloradono countyCentral Colorado.Phenology: flowering & fruiting.RMRM80982 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh175Edwin B. Payson1913818230U.S.A.ColoradoMontroseTabeguache Basin.2439Aquatic, in shallow water. Phenology: flowering & fruiting.RMRM32583 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh855Francis Ramaley1901819231U.S.A.ColoradoBoulderMarshall: near Boulder.Phenology: fruiting.RMRM37800 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4967Frank Tweedy19027182U.S.A.ColoradoBoulderNear Boulder.15241829In water around plains and foothills. Phenology: flowering & fruiting.RMRM157272 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1987George E. Osterhout1899721202U.S.A.ColoradoLarimerPhenology: flowering & fruiting.RMRM157243 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh7265George E. Osterhout193085217U.S.A.ColoradoRouttHayden.Phenology: flowering & fruiting.RMRM16976 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshsnGeorge E. Osterhout1899720201U.S.A.ColoradoLarimerLa Porte.Phenology: flowering & fruiting.RMRM395278 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2466Steve L. O'Kane Jr. J. Anderson and H. Dixon198677188U.S.A.ColoradoCostillaSangre de Cristo Land Grant: N of the Brownie Hills.-105.626337.30622275Infrequent along ditch with Carex and Juncus. Phenology: flowering.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2509B. A. Packer J. Brondum and T. McGowan1997730211U.S.A.WyomingConverse[location and coordinates withheld]17981899Creekside Phenology: flowering & fruiting.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh30282Ronald L. Hartman Rafael Molina1991724205U.S.A.IdahoFremontTarghee National Forest: West Slope Teton Range: Cart Hollow, ca 3 air mi NE of Lamont.-111.149643.991518901920Lodgepole pine forests with scattered meadows and wet areas.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8916Stuart Markow199276188U.S.A.IdahoFremontTarghee National Forest: Island Park Plateau: Swan Lake, ca 15 air mi N of Ashton.-111.465744.2951859Plants aquatic.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh9274Stuart Markow1992713195U.S.A.IdahoFremontTarghee National Forest: Island Park Plateau: Island Park, along small creek ca 50 yds N of Buffalo River; ca 300 yds W of U.S. Hwy 20.-111.387244.42261920Swampy, sparsely forested area, dominated by Carex, grasses, and forbs, with scattered Pinus contorta and Salix.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2679Jean Wood1995726207U.S.A.WashingtonStevensWestern Colville National Forest and Vicinity: South Fork Mill Creek Drainage: Old Dominion Mountain Meadow, ca 4 air mi NE of Colville; off Hanson Springs Road on Forest Road 020.-117.681548.5761990Carex marsh. Phenology: flowering.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2718Jean Wood1995726207U.S.A.WashingtonStevensWestern Colville National Forest and Vicinity: North Fork Mill Creek Drainage: Rabbit Creek Pond along Forest Road 125, ca 16 air mi NE of Colville.-117.698848.6919945Old beaver pond with open waters; Carex marsh and forest edge with mixed forest; cedar/Clintonia; heavily grazed by cows. Phenology: flowering & fruiting.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh3031Jean Wood199586218U.S.A.WashingtonStevensWestern Colville National Forest and Vicinity: Cottonwood Creek Drainage: ca 9 air mi SE of Chewelah along Forest roads 4342 and 250.-117.573348.1418853Carex meadows with old and sporadically active beaver dams; ponderosa pine and lodgepole pine on flats; spruce and Douglas fir on slopes. Phenology: flowering & fruiting.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh3110Jean Wood199588220U.S.A.WashingtonStevensWestern Colville National Forest and Vicinity: Little Pend Oreille Wildlife Refuge: McDowell Lake, ca 11 air mi SE of Colville along Rookery Road.-117.681548.4603701731Lake edge and bottom; along source creek; Carex and alders. Phenology: fruiting.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh5735Jean Wood199672184U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: Lake Ellen area, ca 16 air mi WSW of Colville, 1/4 mi W of lake.-118.270448.4887670731Wetland and woods, creek. Phenology: flowering.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh5963Jean Wood199674186U.S.A.WashingtonStevensWestern Colville National Forest and Vicinity: East Fork Crown Creek, ca 8 air mi NW of Northport.-118.734248.9506762Mixed woods. Phenology: flowering.RM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh7675Jean Wood1996816229U.S.A.WashingtonStevens[location and coordinates withheld]701Small man-made pond. Phenology: fruiting.RMRM322185 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1952B. E. Nelson1978917260U.S.A.WyomingJohnsonPowder River Basin: ca 14.5 air mi NE of Edgerton on Wyo Hwy 387, ca 52 air mi NNE of Casper in JJ Draw.-106.057843.48061524Common in clay in a vernal pool with Scirpus.RMRM322181 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2096B. E. Nelson1978919262U.S.A.WyomingCampbellPowder River Basin: ca 6 air mi NW of Spotted Horse, ca 39.5 air mi NW of Gillette.-105.8894444.77251219Abundant in loamy clay at edge of intermittent lake with Eleocharis and Scirpus.RMRM331313 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh3908B. E. Nelson1979716197U.S.A.WyomingSheridanPowder River Basin: ca 6 air mi N of Dayton, ca 6.5 air mi NW of Ranchester along Cooper Draw.-107.286944.95921250In intermittent pools in the draw and in the reservoir.RMRM322184 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4463Keith H. Dueholm1978722203U.S.A.WyomingCampbell[location and coordinates withheld]1310Holding pond, flats; pond margin.RMRM322182 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh5529Keith H. Dueholm197885217U.S.A.WyomingCampbell[location and coordinates withheld]1250Plains, meadows along creek, "permanent" water in stream; along creek.RMRM322179 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh5764Keith H. Dueholm197888220U.S.A.WyomingCampbell[location and coordinates withheld]1371Rocky hills, plains, holding pond, wet mud along creek beds, flats, moist grassy ditches; along creek.RMRM322178 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6164Keith H. Dueholm1978825237U.S.A.WyomingCampbellPowder River Basin: ca 1 air mi E of Gary Reservoir.-105.1977844.97531097Large pond and shaded draws and slopes, plains; muddy seep in draw.RMRM322187 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6205Keith H. Dueholm1978826238U.S.A.WyomingCampbellPowder River Basin: South Middle Pumpkin Butte.-105.876143.729417071829Limber pine slopes, rocky slopes, small pools of water on upper east slopes, plains and outcrops on summit; near pool.RMRM322186 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh7853Ronald L. Hartman Mary Alice Sanguinetti1978711192U.S.A.WyomingCampbellPowder River Basin: Pumpkin Buttes: South Middle Butte.-105.876143.72941768Upper slopes on north side.RMRM599656 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh27852B. E. Nelson1993730211U.S.A.WyomingConverseSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Walker Creek just N of Manning or County Road 53, ca 20 air mi NE of Douglas.-105.082543.052514291445Marshy area in stream channel. Phenology: flowering & fruiting.RMRM599654 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh28180B. E. Nelson199383215U.S.A.WyomingNiobrara[location and coordinates withheld]14481454In the reservoir and on the muddy shores. 1 of 2 Phenology: flowering & fruiting.RMRM599655 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh28180B. E. Nelson199383215U.S.A.WyomingNiobrara[location and coordinates withheld]14481454In the reservoir and on the muddy shores. 2 of 2 Phenology: flowering & fruiting.RMRM599653 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh29469B. E. Nelson1993829241U.S.A.WyomingNiobraraSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Indian Creek off Hat Creek or County Road 64, ca 16 air mi NE of Lusk; ca 19.8 air mi NW of Van Tassell.-104.227342.928713041310Small ponds in the creek bottom. Phenology: flowering & fruiting.RMRM704194 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh32954B. E. Nelson1994718199U.S.A.WyomingConverseSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: along Lost Creek at U.S. Hwy 18-20 just ESE of Lost Springs, ca 23 air mi E of Douglas.-104.921242.76181487Stream channel. Phenology: fruiting.RMRM704193 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh34329B. E. Nelson Tim Chumley1994823235U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: along Rawhide Creek ca 2.3 air mi SW of Tea Kettle Rock and ca 0.5-1 air mi N of the Interstate Canal, ca 7 air mi NE of Lingle, ca 11.3 air mi NNW of Torrington.-104.261942.214112921295In the dry stream channel. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6351Robert D. Dorn199581213U.S.A.WyomingNiobraraLusk.-104.446142.76111524Shallow stream with Veronica.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6380Robert D. Dorn199583215U.S.A.WyomingGoshen3.5 mi N of LaGrange.-104.158341.70571371Edge of cattails with Scirpus and Alopecurus.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6709Robert D. Dorn1995912255U.S.A.WyomingConverseLost Springs.-104.921242.76181524Dry wash with Typha and Beckmannia.RMRM599651 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh41358Ronald L. Hartman1993713194U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 12 air mi SW of Wheatland.-105.164741.99691554Stream side. 1 of 2 Phenology: flowering.RMRM599652 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh41358Ronald L. Hartman1993713194U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 12 air mi SW of Wheatland.-105.164741.99691554Stream side. 2 of 2 Phenology: vegetative only.RMRM371002 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh11736B. E. Nelson1984912256U.S.A.WyomingCrookBlack Hills: Bear Lodge Mountains: along Pine Creek, ca 8 air mi NNW of Aladdin; ca 25 air mi NNE of Sundance.-104.24544.74471067Dried pools in stream bottom. Phenology: fruiting.RMRM371003 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh11802B. E. Nelson1984912256U.S.A.WyomingCrookBlack Hills: Bear Lodge Mountains: Jane Draw, ca 2.3 air mi NNE of Aladdin, ca 21 air mi NE of Sundance.-104.179444.67171097Dry reservoir. Phenology: fruiting.RMRM370993 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1650Hollis Marriott1982725206U.S.A.WyomingCrookBlack Hills: Bear Lodge Mountains: small shallow pond, ca 100 yds N of Wyo Hwy 24 at Bear Lodge Pass; ca 6 air mi SE of Alva.-104.3252844.655561432Emergent. Phenology: flowering.RMRM370993 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh3995Hollis Marriott198375186U.S.A.WyomingCrook[location and coordinates withheld]1158Margins of reservoir in grassland. Phenology: flowering & fruiting.RMRM370994 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4635Hollis Marriott Dennis Horning1983716197U.S.A.WyomingCrookBlack Hills: Bear Lodge Mountains, Cook Lake; ca 7.2 air mi SSE of Alva.-104.407244.59581448In shallow water near shore. Phenology: buds.RMRM370995 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh5276Hollis Marriott198382214U.S.A.WyomingCrookBlack Hills: Goldie Divide near junction of Goldie and New Haven roads, ca 5 air mi NW of Hulett.-104.670344.72331371Ponderosa pine-bur oak forest, edge of reservoir Phenology: flowering.RMRM370996 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh5694Hollis Marriott1983822234U.S.A.WyomingCrookBlack Hills, head of Campstool Draw, ca 3.5 air mi SE of Devils Tower.-104.665544.55574400Grassland, reservoir, on dried mud. Phenology: fruiting.RMRM370998 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh5938Hollis Marriott1983829241U.S.A.WyomingCrook[location and coordinates withheld]1097Deciduous woods in draw, on mud along margins of small creek. Phenology: flowering & fruiting.RMRM370999 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh5978Hollis Marriott1983829241U.S.A.WyomingCrook[location and coordinates withheld]1067Sagebrush grassland, reservoir, on drying mud. Phenology: fruiting.RMRM370997 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh6046Hollis Marriott198391244U.S.A.WyomingCrook[location and coordinates withheld]1280Margins of reservoir in grassland, on mud. Phenology: fruiting.RMRM371000 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8340Hollis Marriott198482215U.S.A.WyomingWestonBlack Hills: West Plum Creek ca 4 mi N of confluence with East Plum Creek, ca 11 air mi NNW of Newcastle.-104.267843.922221509In shallow water at edge of reservoir (in grassland). Phenology: flowering & fruiting.RMRM371001 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8889Hollis Marriott1984810223U.S.A.WyomingWeston[location and coordinates withheld]1783On mud at edge of reservoir. Phenology: flowering.RMRM322180 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4772Keith H. Dueholm1978724205U.S.A.WyomingWestonPowder River Basin: along Alkali Creek, ca 11 air mi W of Upton.-104.867844.09671341Along creek, roadside; creek - 8" deep. Phenology: flowering & fruiting.RMRM322183 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4900Keith H. Dueholm1978726207U.S.A.WyomingCrook[location and coordinates withheld]1250Sandy plains, holding pond; pond margin.RMRM371004 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh15823Ronald L. Hartman1983711192U.S.A.WyomingCrookPowder River Basin: Little Missouri River: ca 21 air mi NNE of Hulett.-104.4847244.97441067River bottoms, hay field margins, and ash woodlands; pond margin. Phenology: flowering & fruiting.RMRM371005 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh16157Ronald L. Hartman1983713194U.S.A.WyomingCrookBlack Hills: drainage from Geis Springs to 1.5 mi to the NE, ca 5-6 air mi E of Alva.-104.3252844.69941280Pine woodlands, shaded ravines, logging roads, sandy open slopes, and pond; pond margin. Phenology: flowering & fruiting.RMRM371006 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh16265Ronald L. Hartman1983715196U.S.A.WyomingCrookBlack Hills: ca 3 air mi NNE of Aladdin.-104.179444.68641097Prairie, wooded stream bottom, and sandstone outcrops; stream bed. Phenology: flowering & fruiting.RMRM371007 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh16348Ronald L. Hartman1983715196U.S.A.WyomingCrookBlack Hills: ca 9 air mi NE of Aladdin.-104.057544.701111036Pond and roadside; near pond. Phenology: flowering & fruiting.RMRM824832 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1729K. Moon C. Moon2006626177U.S.A.WyomingLincolnCokeville Meadows National Wildlife Refuge: ca 7 road mi S of Cokeville on Manhead Road.-110.96183341.9801671884Riparian area. Phenology: flowering.RMRM915636 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh86235Ronald L. Hartman Jack S. Hartman2007721202U.S.A.WyomingCarbonMedicine Bow Mountains: Medicine Bow National Forest: vicinity of Long Lake, ca 10.5 air mi SW of Arlington interchange at I-80.-106.368141.50292719Lake shore. Phenology: flowering.RMRM157244 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.J. Lunell1909721202U.S.A.North DakotaBensonLeeds.Phenology: flowering.RMRM44684 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.L. R. Waldron T. F. Manns1901815227U.S.A.North DakotaCassVicinity of Fargo.275Black, alluvial loam soil. Phenology: flowering & fruiting.RMRM56185 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.J. Lunell1906827239U.S.A.North DakotaBensonLeeds.Drying mud. Phenology: flowering & fruiting.RMRM133809 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh245Wilhelm G. Solheim O. A. Stevens192974185U.S.A.North DakotaCassKindred.Roadside ditch. Phenology: flowering.RMRM39112 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.J. Lunell1901818230U.S.A.North DakotaBensonLeeds.Swamps. Phenology: flowering.RMRM118612 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.Wilhelm G. Solheim O. A. Stevens192974185U.S.A.North DakotaCassKindred.Roadside ditch. Phenology: flowering.RMRM389358 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh472Jerry Pieper1968826239U.S.A.North DakotaSargentTewaukon National Wildlife Refuge, 5 mi S of Cayuga: north side Pool 9.Mud flats. Phenology: fruiting.RMRM394322 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh9775Gary E. Larson1983816228U.S.A.North DakotaMercerIndianhead Mine area: Island Moat Pond.Reclaimed mine area; muddy border of pond, in clay substrate. Common. Located in center of section. Phenology: fruiting.RMRM604447 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4202Ralph H. Imler1938817229U.S.A.NebraskaGardenCrescent Lake Refuge.1158Phenology: flowering & fruiting.RMRM157278 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.Harry Hapeman1930828240U.S.A.NebraskaKearneyMinden.Phenology: flowering & fruiting.RMRM226815 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.Harry Hapeman1891712193U.S.A.NebraskaKearneyNewark: Whisky Slough.Phenology: flowering.RMRM226813 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.J. E. Kirkwood191781213U.S.A.MontanaMissoulaBlackfoot Valley: Blanchard Flats, near junction of Mont Highways 200 and 83.Pond. Phenology: flowering & fruiting.RMUSFS411835 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1670James C. Whitham193461152U.S.A.MontanaGallatinNear Gallatin National Forest: Jeff. Canyon, 7 mi W of Three Forks.1280Boggy slough, aquatic. Rare. Phenology: flowering & fruiting.RMRM547061 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh14940Dieter H. Wilken198875187U.S.A.MontanaLakeNear junction of Forest roads 498 and 129, ca 0.5 mi W of Loon Lake, S of Ferndale.Ponds at edge of Thuja plicata stand. Petals white; plant common. Sheet 1 of 2 Phenology: vegetative only.RMRM547062 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh14940Dieter H. Wilken198875187U.S.A.MontanaLakeNear junction of Forest roads 498 and 129, ca 0.5 mi W of Loon Lake, S of Ferndale.Ponds at edge of Thuja plicata stand. Petals white; plant common. Sheet 2 of 2 Phenology: flowering & fruiting.RMRM78727 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.M. J. ElrodU.S.A.Montanano countyWestern Montana.Phenology: flowering & fruiting.RMRM310195 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh467L. M. Umbach1903720201U.S.A.MontanaGlacierMidvale (now East Glacier Park).Sloughs. Phenology: flowering & fruiting.RMRM366971 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh3144Peter Lesica1984715197U.S.A.MontanaSheridanAlong Highway 5, ca 5 mi W of Westby.670Margins of small pond; Glyceria grandis and Hordeum jubatum. Uncommon. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh78323B. E. Nelson2009728209U.S.A.MontanaCarterAlong Little Missouri River or South Camp Crook Road just S of Clay Pigeon Road, ca 10 air mi NE of Albion; ca 23 air mi NE of Alzada.-104.152745.2991990Dry pool areas among cattails in intermittent stream channel and adjacent low areas. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh78349B. E. Nelson2009728209U.S.A.MontanaCarterAlong Indian Creek or Albion Road ca 0.5-1 air mi E of South Dakota and ca 1/2-3/4 air mi N of the corner of Wyoming, ca 17.5 air mi E of Algada.-104.051345.007210181048Pools below stock pond dam. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh78370B. E. Nelson2009728209U.S.A.MontanaCarterAlong North Butte Creek between Hamilton Creek and Little Missouri River on the south side of Mont Hwy 323, ca 2 air mi NW of Albion; ca 13.5 air mi N of Alzada.-104.309645.20510091012Dry stream bed and adjacent steep banks and bench with green ash and occasional boxelder and snowberry thickets. Phenology: fruiting.RMUSFS883331 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1909Hans Hallman2009710191U.S.A.MontanaCarterCuster National Forest: Long Pines: just W of the state line, from Forest Road 3118 to an unnamed reservoir ca 1 air mi N of road, ca 7-8 air mi NNW of Camp Crook, SD.-104.049545.649210001006Sedge and grass-dominated edge of reservoir. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2245Hans Hallman2009716197U.S.A.South DakotaHardingUnnamed tributary of South Fork Moreau River, ca 0.5 air mi SW of County Road 897 and ca 3 air mi S of junction of 897 and Dillon Road, ca 21 air mi SSE of Camp Crook.-103.80845.2632948963Grazing land dominated by grasses. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh3139Hans Hallman2009728209U.S.A.MontanaCarterNear the head of South Creek in the vicinity of unnamed reservoir on a tributary of North Fork Corral Creek, S of Ridge Road, ca 13 air mi WNW of its junction with Mont Hwy 323, and ca 23 air mi SSW of Ekalaka.-104.668345.566810511064At the margins of perennial reservoir. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh3266Hans Hallman2009728209U.S.A.MontanaCarterJust off of Mont Hwy 323 at Skull Creek, ca 3 road mi S of junction with Tie Creek Road, ca 23.5 air mi SSE of Ekalaka.-104.38145.5679931003Moist drainage. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4139Hans Hallman2009813225U.S.A.MontanaCarterCa 1.5 air mi NW of Hammond Road, in and around unnamed reservoir on Muskrat Creek, ca 6.5 air mi WSW of Ridgeway.-104.623245.4310271030In and on margins of Scirpus-dominated reservoir. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4148Hans Hallman2009813225U.S.A.MontanaCarterCa 1.5 air mi NW of Hammond Road, in and around unnamed reservoir on Muskrat Creek, ca 6.5 air mi WSW of Ridgeway.-104.623245.4310271030In and on margins of Scirpus-dominated reservoir. Phenology: flowering & fruiting.RMUSFS883329 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4470Hans Hallman G. Gust2009818230U.S.A.MontanaCarterCuster National Forest: Ekalaka Hills: in and around McNab Pond, at terminus of Forest Road 1401, ca 0.5 air mi NE of Mont Hwy 323, ca 7 air mi SE of Ekalaka.-104.431445.836210421073In and around pond dominated by Scirpus and Typha spp. and grasses on its margin. Phenology: fruiting.RMRM908737 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh39628Erwin F. Evert2002730211U.S.A.IdahoFremontYellowstone Plateau: Yellowstone National Park: Robinson Lake, ca 2 mi NW of Bechler Ranger Station.-111.069144.16671981Wet soil along lakeshore with Carex lasiocarpa, Eleocharis palustris, and Carex utriculata. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh80479B. E. Nelson2010725206U.S.A.MontanaPhillipsUpper Missouri River Breaks National Monument: along Winter Ridge Road, ca 3.5 air mi SSW of Saskatchewan Butte, ca 62 air mi SW of Malta.-108.869747.8211935In muddy water of a stock pond. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh81312B. E. Nelson2010916259U.S.A.MontanaValleyAlong Porcupine Creek at Roosevelt Trail and Fort Peck Indian Reservation, ca 5 air mi N of Nashua.-106.383748.2061649Muddy stream edge and in adjacent pools. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1099Joseph L. M. Charboneau201075186U.S.A.MontanaValleyW of Larb Creek Road, in Black Coulee and ridge to the N, ca 3 air mi NW of Korman Reservoir, ca 36 air mi WSW of Glasgow.-107.377548.0799753786Swales and creekside. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1658Joseph L. M. Charboneau2010714195U.S.A.MontanaValleyFaraasen Park, adjacent to the Milk River and in Chapman Coulee, ca 4.5 air mi SE of Tampico; ca 7 air mi NW of Glasgow.-106.746648.2673634655Wetlands. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1913Joseph L. M. Charboneau2010718199U.S.A.MontanaPhillipsW of Midale Road, ca 1 air mi SSW of Holzhey Reservoir, ca 29 air mi SSE of Malta.-108.081747.8926865878Wet reservoir edge and wet meadows. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2390Joseph L. M. Charboneau2010727208U.S.A.MontanaValleyE of Windy Ridge Road, adjacent to unnamed reservoir, ca 1 air mi NNW of Erie Reservoir, ca 16.5 air mi N of Hinsdale; ca 37 air mi NNW of Glasgow.-107.085248.6373814817Muddy submerged edges of reservoir. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2464Joseph L. M. Charboneau2010729210U.S.A.MontanaValleyMont Hwy 24 at bridge over Dry Fork Creek, ca 8.5 air mi SE of Forsman Reservoir, ca 23.5 air mi NNE of Glasgow.-106.562248.5247832835Shallow water over muddy bank. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2990Joseph L. M. Charboneau201088220U.S.A.MontanaPhillipsW of Rocky Point Road, ca 4 air mi S of Point of Rocks Reservoir, ca 6.5 air mi SSE of Dodson; ca 8 air mi WSW of Malta.-108.211948.3064768771Drying mud or in shallow water of reservoir. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh3332Joseph L. M. Charboneau2010812224U.S.A.MontanaValleyReservoir on Hay Coulee, S of Willow Creek Road, ca 1.5 air mi SW of Bomber Reservoir, ca 21 air mi SSW of Glasgow.-106.822647.9244679682Shallow water above mud. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh7841Joseph L. M. Charboneau Damien Austin2011719200U.S.A.MontanaPhillipsAmerican Prairie Reserve: Parrot Coulee at confluence with Beaver Creek, ca 1.5 air mi SW of Veseth Reservoir, ca 16 air mi E of Zortman; ca 36 air mi SSW of Malta.-108.200447.8969829835In water of slough ponds. Phenology: flowering.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8376Joseph L. M. Charboneau2011730211U.S.A.MontanaBlaineBlack Coulee National Wildlife Refuge: Black Coulee, ca 10.5 air mi S of Turner, ca 21 air mi NE of Harlem; ca 34.5 air mi NW of Malta.-108.408948.6947887905In and around water of reservoir and roadside ditches. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8657Joseph L. M. Charboneau201182214U.S.A.MontanaValleyCharles M. Russell National Wildlife Refuge: Cut Throat Coulee at terminus of Refuge Road 325, ca 4.5 air mi N of Bonetrail Boat Ramp, ca 44 air mi WSW of Fort Peck; ca 43 air mi SW of Glasgow.-107.254247.7396829890Moist areas surrounding reservoir. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8770Joseph L. M. Charboneau201184216U.S.A.MontanaValleyGlasgow Base Ponds, W of Mont Hwy 24, ca 4.5 air mi W of Porcupine Creek, ca 3.5 air mi NW of St. Marie; ca 18 air mi N of Glasgow.-106.579148.4481829835Pond edge. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8819Joseph L. M. Charboneau201184216U.S.A.MontanaValleyUpper reaches of Chisholm Creek, ca 4.5 air mi SSW of Pikes Peak, ca 13.5 air mi SW of Opheim; ca 38 air mi N of Glasgow.-106.643748.7287862878In water of or on edges of stock pond. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh9245Joseph L. M. Charboneau201189221U.S.A.MontanaPhillipsSpring Coulee, S of Nylander Road, ca 6.5 air mi NNE of Dodson, ca 8 air mi N of the Milk River, ca 17 air mi WNW of Malta.-108.19348.4803826829Dried intermittent pond. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh9545Joseph L. M. Charboneau2011813225U.S.A.MontanaPhillipsUnnamed reservoir S of the intersection of Emond and First Creek Hall Roads, ca 10.5 air mi NW of Indian Lake, ca 26 air mi ESE of Zortman; ca 35 air mi S of Malta.-107.984247.8684817823Muddy reservoir edge. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh9585Joseph L. M. Charboneau2011813225U.S.A.MontanaPhillipsAmerican Prairie Reserve: Telegraph Creek, ca 4.5 air mi NE of Indian Lake, ca 38 air mi ESE of Zortman; ca 41.5 air mi S of Malta.-107.769447.7749716719In water of creek. Phenology: flowering.RMUSFS883330 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1909Hans Hallman2009710191U.S.A.MontanaCarterCuster National Forest: Long Pines: just W of the state line, from Forest Road 3118 to an unnamed reservoir ca 1 air mi N of road, ca 7-8 air mi NNW of Camp Crook, SD.-104.049545.649210001006Sedge and grass-dominated edge of reservoir. Phenology: flowering & fruiting.RMRM829319 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh65369Ronald L. Hartman1999729210U.S.A.ColoradoLas AnimasWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Little Fishers Peak Mesa, 1.5 air mi N of Lake Maloya.-104.348537.025326212652Pond and surrounding areas. Phenology: fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh1041Lori E. Brummer2010726207U.S.A.ColoradoMontroseUncompahgre Plateau: Uncompahgre National Forest: Windy Point and Iron Springs Mesa, Forest Road 507, ca 35 air mi W of Montrose.-108.449638.487626062915Small pond in aspen/spruce forest. Phenology: flowering & fruiting.RMRM Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh4850Lori E. Brummer201178189U.S.A.ColoradoMontroseUncompahgre Plateau: Sawmill Mesa, off of Sawmill Mesa or Forest Road 501, ca 20.5 air mi SW of Delta.-108.36938.53972359In stock pond in oak brush community. Phenology: flowering & fruiting.RMRM263141 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8345C. L. Porter Marjorie W. Porter1960712194U.S.A.WyomingCrookBear Lodge Range: between Alva and Aladdin.-104.324144.65641341Open ponderosa pine forest; in a small cattail swamp. Phenology: flowering & fruiting.RMRM602936 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh14601Walter Fertig199398251U.S.A.WyomingLaramieSoutheast Plains: Lodgepole Creek, ca 1.5 air mi W of I-25, on east side of Telephone Road.-104.916741.34261920Rooted on muddy bottom of creek in narrow channel surrounded by willows, with Veronica and Sparganium. Phenology: fruiting.RMRM911 Alisma trivialephysical specimenAlismataceaeAlismatrivialePurshs.n.B. C. BuffumU.S.A.WyomingSheridanDutch Creek9141158Phenology: flowering & fruiting.RMRM37305 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh8347Aven Nelson1896827240U.S.A.WyomingPlattePlatte Canon near Badger.-104.8942.31391371In a spring bog.RMRM8625 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh2285Aven Nelson1896713195U.S.A.WyomingSheridanRanchester.-107.163244.91731143RMRM124012 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh10709Aven Nelson192674185U.S.A.WyomingCarbonBaggs.-107.658641.04051905Shallow creek ponds.RMRM35286 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh684Elias Nelson190189221U.S.A.WyomingPlatteSybille Creek.-105.127441.90781554RMRM279753 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh679Richard W. Scott1965825237U.S.A.WyomingFremontAlong the Popo Agie River in Lander.1585Overflow ponds.RMRM958341 Alisma trivialephysical specimenAlismataceaeAlismatrivialePursh12159Robert D. Dorn2018713194U.S.A.South DakotaFall RiverCold Springs Reservoir, just N of Hot Springs.-103.4943.4551097Edge of reservoir with Typha and Carex. Flowers white. Phenology: flowering.36003,1,0true