Record Number Database Code Specimen ID Project Herbarium Accession Number Barcode NPS Accession NPS Catalog Family Genus 1 Specific Epithet 1 Specific Author 1 Infraspecific Rank 1 Infraspecific Epithet 1 Infraspecific Author 1 Name 1 Qualifier Name 1 Qualifier Position Hybrid Symbol Genus 2 Specific Epithet 2 Specific Author 2 Infraspecific Rank 2 Infraspecific Epithet 2 Infraspecific Author 2 Name 2 Qualifier Name 2 Qualifier Position Conservation Status Annotations Site Key Collector Collector Number Other Collectors Day Collected Month Collected Year Collected Verbatim Collection Date Country State County Locality Site Description Minimum Elevation Maximum Elevation Elevation Unit LatitudeLongitude UTM TRS Decimal Latitude Decimal Longitude Geodetic Datum Coordinate Uncertainty Coordinate Uncertainty Unit Elevation Georeferenced TRS Georeferenced Georeference Sources Georeference Remarks Georeferenced By Specimen Notes Other Notes Phenology Cultivated Images Type Specimen? TypeDetails 1 RM 116865 Ebertowski 2003 RM Ceratophyllaceae Ceratophyllum demersum L. RM-14537 Peter J. Ebertowski 5539 27 6 2003 U.S.A. Wyoming Campbell Thunder 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. Submerged in river. 4550 4620 ft. 43.978° N, 105.3949° W T46N R71W S9 South1/4 43.978 -105.3949 Vegetative N N 2 RM 117902 Ebertowski 2003 RM Ceratophyllaceae Ceratophyllum demersum L. RM-14557 Peter J. Ebertowski 6572 11 7 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: Well Creek, on Stewart Road, ca 10 air mi WNW of Moorcroft; ca 18 air mi E of Gillette. Pond. 4280 4320 ft. 44.314° N, 105.1557° W T50N R69W S16 NE1/4 44.314 -105.1557 Vegetative N N 3 RM 128949 Evert 2000 RM 824306 RM0019396 Ceratophyllaceae Ceratophyllum demersum L. RM-14941 Erwin F. Evert 38427 29 7 2000 U.S.A. Montana Sweet Grass Gallatin National Forest: Crazy Mountains; Big Timber Canyon, S of Half Moon Campground, 20 mi NE of Big Timber. In shallow water with Carex rostrata and Nuphar polyespalum. 6400 ft. 3N R12E S4 Fruiting N RM0019396 N 4 RM 129345 Evert 2001 RM Ceratophyllaceae Ceratophyllum demersum L. RM-14977 Erwin F. Evert 38828 2 7 2001 U.S.A. Wyoming Hot Springs Absaroka Mountains: Shoshone National Forest: Twin Lakes near the head of Grass Creek, ca 45 mi NW of Thermopolis. Along shores in wet soil and shallow water with Carex utriculata and Eleocharis palustris. 8520 ft. T45N R101W S17 N N 5 RM 241401 Taylor, Kevin 1998 778644 Ceratophyllaceae Ceratophyllum demersum L. RM-21108 Kevin J. Taylor 8941 John Gutrich 20 7 1998 U.S.A. Colorado Gunnison [location and coordinates withheld] Along and in ponds of constructed wetlands. 7500 ft. Vegetative N N 6 RM 339506 Porter RM 237097 Ceratophyllaceae Ceratophyllum demersum L. RM-31542 C. L. Porter 6361 4 8 1953 U.S.A. Wyoming Teton Two Ocean Lake. Washed in from deep water. 6900 ft. 43.9009° N, 110.5018° W; NAD 83, uncertainty 1 mi., Digital Map T45N R114W S2 43.9009 -110.5018 NAD 83 1 mi. Digital Map Located at the Two Ocean Lake Campground; ca 2.25 miles north of Pacific Creek Road (on Two Ocean Lake Road); ca 4 miles north of US Hwy 89 & 287; ca 1 mile NE of Emma Matilda Lake; geo-locate.org. EL Vegetative N N 7 RM 340600 Porter RM 253841 Ceratophyllaceae Ceratophyllum demersum L. RM-32028 C. L. Porter 7346 19 7 1957 U.S.A. Wyoming Albany At south end of Sodergreen Lake, ca 20 mi SW of Laramie. In ca 5 ft of murky water. 7500 ft. 41.1571° N, 105.9347° W; NAD 83, uncertainty 0.5 mi., Digital Map T14N R76W S28 21 miles 41.1571 -105.9347 NAD 83 1 mi. Digital Map Located ca 21 miles SW of Laramie on WY Hwy 230; on the south side of the lake; geo-locate.org. EL Occasional. Flowering N N 8 RM 392492 RMHERB1 RM 681306 Ceratophyllaceae Ceratophyllum demersum L. RM-54215 Robert D. Dorn 8614 13 9 2000 U.S.A. Wyoming Hot Springs Near head of Grass Creek. Shallow water of pond with Sparganium and Potamogeton. 8400 ft. 43.8655° N, 109.0012° W T45N R101W S17 South1/2 43.8655 -109.0012 N N 9 RM 405147 RMHERB1 RM Ceratophyllaceae Ceratophyllum demersum L. RM-62382 Robert D. Dorn 8614 13 9 2000 U.S.A. Wyoming Hot Springs Near head of Grass Creek. Shallow water of pond with Sparganium and Potamogeton. 8400 ft. 43.8655° N, 109.0012° W T45N R101W S17 South1/2 43.8655 -109.0012 N N 10 RM 431792 Scott 2007 RM 838401 RM0017683 Ceratophyllaceae Ceratophyllum demersum L. 1. Ceratophyllum demersum L.
Annotated by David Scott. RM-66069 Ronald L. Hartman 86836 21 8 2007 U.S.A. Wyoming Teton Targhee National Forest: Ashton Ranger District: Winegar Hole Wilderness: along Winegar Creek in Winegar Hole. Wetlands and adjacent meadows. 6333 6400 ft. 44.126° N, 110.977° W to 44.127° N, 110.97° W; GPS Reading T48N R118W S13; also S14 44.126 -110.977 NAD 83 N N GPS Reading Vegetative N RM0017683 N 11 RM 442124 South Dakota RM 394091 Ceratophyllaceae Ceratophyllum demersum L. RM-68621 Kris Sletten 26 11 6 1983 U.S.A. South Dakota Gregory Lake Splendor. Submerged. 2025 ft. 43.0994° N, 99.2618° W; uncertainty 0.5 mi. T96N R71W S29 SE1/4 43.0994 -99.2618 1 mi. Vegetative N N 12 RM 442857 South Dakota USFS 455497 Ceratophyllaceae Ceratophyllum demersum L. RM-69118 Roger R. Kerbs 78 8 7 1969 U.S.A. South Dakota Jackson Buffalo Gap National Grassland: Study Pond G. Grassland stockpond. 2500 ft. 43.8946° N, 101.7135° W; uncertainty 0.5 mi. T2S R20E S3 SW1/4 43.8946 -101.7135 0 mi. Y Elev closer to 2500 f (+/-) (USGS 7.5') G. Bryson Vegetative N N 13 RM 443623 South Dakota RM 346190 Ceratophyllaceae Ceratophyllum demersum L. RM-69318 Stephen Van Sickle 289 14 8 1982 U.S.A. South Dakota Jones Murdo Dam. Submerged in shallow water. 2190 ft. 43.9224° N, 100.723° W; uncertainty 0.5 mi. T1S R28E S36 NW1/4 43.9188 -100.7223 NAD 83 1 mi. Y Nat. Geog. TOPO! Vegetative N N 14 RM 443688 South Dakota RM 520910 Ceratophyllaceae Ceratophyllum demersum L. RM-69342 Stephen Van Sickle 346 14 8 1982 U.S.A. South Dakota Lyman Fate Dam. Submersed in 1 m water; frequent. 1767 ft. 43.9371° N, 100.0049° W; uncertainty 0.5 mi. T106N R76W S31 SW1/4 43.9371 -100.0049 1 mi. Vegetative N N 15 RM 484792 So Rocky Mts RM 83844 Ceratophyllaceae Ceratophyllum demersum L. RM-71758 Francis Ramaley 10590 31 7 1915 U.S.A. Colorado Jefferson Semper. Potamogeton zone. Vegetative N N 16 RM 485363 So Rocky Mts RM 61333 Ceratophyllaceae Ceratophyllum demersum L. Ceratophyllum demersum L.
Annotated by William A. Weber in 1966. RM-71847 Francis Ramaley 3906 15 9 1907 U.S.A. Colorado Boulder Gaymor Lake. 5000 ft. Vegetative N N 17 RM 485364 So Rocky Mts RM 61452 Ceratophyllaceae Ceratophyllum demersum L. RM-71847 Francis Ramaley 3907 15 9 1907 U.S.A. Colorado Boulder Gaymor Lake. 5000 ft. Vegetative N N 18 RM 486568 So Rocky Mts RM 166342 Ceratophyllaceae Ceratophyllum demersum L. RM-72176 George E. Osterhout 1124 24 7 1896 U.S.A. Colorado Weld Windsor: Windsor Lake. Fruiting N N 19 RM 490718 So Rocky Mts RM 7405 Ceratophyllaceae Ceratophyllum demersum L. RM-72176 George E. Osterhout s.n. 24 7 1896 U.S.A. Colorado Weld Windsor: Windsor Lake. Fruiting N N 20 RM 496379 So Rocky Mts RM 526643 Ceratophyllaceae Ceratophyllum demersum L. RM-94808 Patricia P. Douglas 1853 21 8 1987 U.S.A. Colorado Conejos 5.2 mi WNW of Fox Creek, 3.2 mi ENE of Spruce Hole. On steep WSW facing ridge with Pseudotsuga, Artemisia, and Brickellia. In pond with Polygonum amphibium. 2750 m. 37.0848° N, 106.298° W; uncertainty 1 mi. T33N R6E S22 37.0848 -106.298 1 mi. Fruiting N N 21 RM 498526 So Rocky Mts RM 70800 Ceratophyllaceae Ceratophyllum demersum L. RM-96030 Richard D. Comes s.n. 29 6 1961 U.S.A. Colorado Boulder 5 mi SW of Longmont in Dodd's Reservoir. In 4 ft. of water. Fruiting N N 22 RM 502631 So Rocky Mts RM 70849 Ceratophyllaceae Ceratophyllum demersum L. 1. Ceratophyllum demersum L.
Annotated by C. L. Porter. RM-76428 W. W. Robbins 5745b 10 7 1908 U.S.A. Colorado Boulder Hiram Prince Lake. Flowering and Fruiting N N 23 RM 550494 Wood 1996 Ceratophyllaceae Ceratophyllum demersum L. RM-103642 Jean Wood 7380 Madilane Perry 10 8 1996 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: Curlew Lake, ca 4 air mi NNE of Republic. Lake and shoreline. 2400 ft. 48.7072° N, 118.6684° W T37N R33E S17 NW1/4; also T38N R33E NW1/4 S28, E1/2 S29; also NE1/4 S32 48.7072 -118.6684 Vegetative N N 24 RM 585002 Wind River Basin RM 385044 Ceratophyllaceae Ceratophyllum demersum L. RM-105785 June Haines 4003 Georgia Haines 27 5 1984 U.S.A. Wyoming Fremont Wind River Basin: east side of Ocean Lake, just N of Ocean Drain. In water at edge of sandy beach. 5234 5240 ft. 43.2075° N, 108.5672° W; uncertainty 2 mi. T3N R3E S30; also S31 43.2075 -108.5672 2 mi. Vegetative N N 25 RM 585934 Haines 1985 RM 385043 Ceratophyllaceae Ceratophyllum demersum L. RM-105827 June Haines 4900b 18 7 1985 U.S.A. Wyoming Fremont Wind River Basin: south side of Lake Cameahwait, ca 20 air mi ENE of Riverton. Edge of lake. 4810 4830 ft. 43.2943° N, 108.2515° W T4N R5E S26; also S27 43.2943 -108.2515 2 mi. Vegetative N N 26 RM 586577 Haines 1985 RM 385042 Ceratophyllaceae Ceratophyllum demersum L. RM-33305 June Haines 5518 Georgia Haines 12 8 1985 U.S.A. Wyoming Fremont Wind River Basin: Ocean Lake, east side, ca 3 air mi WSW of Midvale. In lake. 5234 5280 ft. 43.2075° N, 108.5672° W T3N R3E S30; also T3N R2E S25 43.2075 -108.5672 Vegetative N N 27 RM 586602 Haines 1985 RM 385041 Ceratophyllaceae Ceratophyllum demersum L. RM-105862 June Haines 5543 Georgia Haines 12 8 1985 U.S.A. Wyoming Fremont Wind River Basin: Ocean Lake, east side, ca 3 air mi SW of Midvale. In lake. 5234 5260 ft. 43.193° N, 108.5672° W T3N R3E S31; also T2N R3E S6 43.193 -108.5672 Vegetative N N 28 RM 592976 Dueholm Misc RM 524253 Ceratophyllaceae Ceratophyllum demersum L. RM-106329 Keith H. Dueholm 11820 2 8 1981 U.S.A. Wyoming Platte Hartville Uplift: Patten Creek, ca 16 air mi SSE of Glendo. In deep pools of creek, with Salvelinus fontinalis. 5200 ft. 42.4428° N, 104.7408° W; uncertainty 1 mi. T29N R66W S36 42.4428 -104.7408 1 mi. Vegetative N N 29 RM 600141 Dueholm 1979 RM 331405 Ceratophyllaceae Ceratophyllum demersum L. RM-106706 Keith H. Dueholm 8690 3 8 1979 U.S.A. Wyoming Johnson Powder River Basin: Boxelder Creek, ca 5 air mi ENE of Lake De Smet. Meadows along creek, sandy plains, ridges; submerged in creek. 4400 ft. 44.5189° N, 106.6397° W; uncertainty 1 mi. T53N R81W S32 44.5189 -106.6397 1 mi. Vegetative N N 30 RM 636090 Fertig 1991 RM Ceratophyllaceae Ceratophyllum demersum L. RM-108231 Walter Fertig 8912 11 7 1991 U.S.A. Wyoming Sublette West Slope Wind River Range: small pond ca 1/4 mi S of Scab Creek Campground, 16 air mi E of Pinedale. Submerged aquatic on muddy soil. 8000 ft. 42.8153° N, 109.5536° W; uncertainty 1 mi. T33N R106W S19 42.8153 -109.5536 1 mi. N N 31 RM 706055 Legler 2007 RM Ceratophyllaceae Ceratophyllum demersum L. 1. Ceratophyllum demersum L.
Annotated by Ben Legler. RM-119884 Ben Legler 6840 31 7 2007 U.S.A. New Mexico Colfax Vermejo Park Ranch: cattle watering pond in headwaters of Caliente Canyon, 7.2 air mi ENE of Casa Grande. Man-made pond with muddy exposed banks dominated by Ranunculus aquatilis, Callitriche palustris, Glyceria grandis. 8091 ft. 36° 55' 29" N, 104° 51' 24.7" W; WGS 84, uncertainty 4 m., GPS reading 36.92472222 -104.8568611 WGS 84 4 m. GPS reading Submerged in shallows of pond; common. Vegetative N N 32 RM 706892 Legler 2007 RM 901422 RM0026977 Ceratophyllaceae Ceratophyllum demersum L. 1. Ceratophyllum demersum L.
Annotated by Ben Legler on 1/4/2008. RM-119931 Ben Legler 7674 14 8 2007 U.S.A. New Mexico Colfax Vermejo Park Ranch: south and east shores of Bartlett Lake; 8.2 air mi W of Casa Grande. Lake shallows with sandy bottom, dominated by Potamogeton natans, P. foliosus, Myriophyllum sibiricum, and Ceratophyllum demersum; shoreline dominated by Schoenoplectus acutus. 8682 ft. 36° 54' 6" N, 105° 7' 26" W; WGS 84, Digital map 36.90166667 -105.1238889 WGS 84 Digital map Common in 1-3 meter deep water. Vegetative N RM0026977 N 33 RM 709310 Legler 2008 RM 901423 RM0026978 Ceratophyllaceae Ceratophyllum demersum L. 1. Ceratophyllum demersum L.
Annotated by Ben Legler on 4/4/2009. RM-120267 Ben Legler 10109 31 7 2008 U.S.A. New Mexico Colfax Vermejo Park Ranch: Munn Lake; 3.7 air mi NE of Vermejo Peak. Shallow, weedy lake margins; 1-2 meter deep water; dominated by Chara and Myriophyllum sibiricum. 8456 ft. 36.91761° N, 105.15481° W; WGS 84, GPS reading 36.91761 -105.15481 WGS 84 GPS reading Stems submerged or floating in 1-2 meter deep water; occasional. Photographed. Specimen GPS: 36.91619, -105.15481. Vegetative N VPR11135,VPR11137,VPR11132,RM0026978 N 34 RM 799375 Missouri Plateau RM 620234 Ceratophyllaceae Ceratophyllum demersum L. RM-121694 Neil Hotchkiss 89 25 7 1942 U.S.A. North Dakota Ward Des Lacs National Wildlife Refuge: north end Unit 4A, 1.5 mi SE of Kenmare. Shallow water. Vegetative N N 35 RM 799380 Missouri Plateau RM 394244 Ceratophyllaceae Ceratophyllum demersum L. RM-122016 Gary E. Larson 9659 29 7 1983 U.S.A. South Dakota Faulk Lake Faulkton. Emergent in dense stands around lake margin. T118N R69W S17 SW1/4 Buds N N 36 RM 799381 Missouri Plateau RM 394366 Ceratophyllaceae Ceratophyllum demersum L. RM-130317 Gary E. Larson 9067 6 7 1983 U.S.A. South Dakota Hamlin Game Production Area. Submerged in shallow water. T113N R55W S28 NW1/4 Vegetative N N 37 RM 799382 Missouri Plateau RM 394001 Ceratophyllaceae Ceratophyllum demersum L. RM-122897 Gary E. Larson 9720 3 8 1983 U.S.A. South Dakota Lake Waterfowl Production Area. Submerged in shallow water of marsh. T105N R54W S21 SE1/4 Flowering N N 38 RM 799383 Missouri Plateau RM 394144 Ceratophyllaceae Ceratophyllum demersum L. RM-122918 Kris Sletten 90 14 6 1983 U.S.A. Nebraska Brown Willow Lake. Submerged. T26N R24W S11 SW1/4 Vegetative N N 39 RM 799385 Missouri Plateau RM 222399 Ceratophyllaceae Ceratophyllum demersum L. RM-137954 Harry Hapeman s. n. 9 1891 Sept. '91 U.S.A. Nebraska Kearney Newark. Vegetative N N 40 RM 799388 Missouri Plateau RM 149745 Ceratophyllaceae Ceratophyllum demersum L. RM-137957 C. L. Shear 4450 22 6 1895 U.S.A. Nebraska Lincoln North Platt: Fremonts Slough. Vegetative N N 41 RM 799394 Miscellaneous RM 521339 Ceratophyllaceae Ceratophyllum demersum L. RM-137959 Ralph E. Brooks 14356 24 7 1979 U.S.A. Kansas Cheyenne 13 mi W, 9 1/4 mi S of St. Francis. Pond on east side of KS-CO border. Small pond, sandy bottom, submersed. Project may need to be changed. Vegetative N N 42 RM 799404 Missouri Plateau RM 277170 Ceratophyllaceae Ceratophyllum demersum L. RM-123969 C. Leo Hitchcock 23983 11 7 1965 U.S.A. Montana Lake 0.2 mi SE of Nine Pipes Reservoir. Large "pot-hole." Flowering N N 43 RM 799405 Missouri Plateau RM 277169 Ceratophyllaceae Ceratophyllum demersum L. RM-137965 C. Leo Hitchcock 23967 11 7 1965 U.S.A. Montana Missoula Near Fort Missoula. Slough; water ca 3 ft deep. Flowering N N 44 RM 808743 Heidel 2010 RM 906710 RM0048074 Ceratophyllaceae Ceratophyllum demersum L. RM-143844 Bonnie Heidel 3505 28 8 2010 U.S.A. Wyoming Washakie West slope Big Horn Mountains: Meadowlark Lake: Bull Creek Inlet, ca 15.5 air mi NE of Tensleep. Submerged in shallow water; occurs with Elodea bifoliata. 8460 ft. T49N R86W S33 Vegetative N RM0048074 N 45 RM 821409 Charboneau 2011 RM Ceratophyllaceae Ceratophyllum demersum L. RM-142067 Joseph L. M. Charboneau 5853 25 6 2011 U.S.A. Montana Phillips American Prairie Reserve: unnamed reservoir at APR Yurt Camp, W of Reynolds Hill Road, ca 3.5 air mi WSW of Square Butte, ca 41.5 air mi ESE of Zortman; ca 43.5 air mi SSE of Malta. In water of stock pond. 2660 ft. 47.7584° N, 107.6663° W; NAD 83, GPS reading T23N R31E S13 NW1/4 47.7584 -107.6663 NAD 83 GPS reading Flowering and Fruiting N 46 RM 822852 Charboneau 2011 RM Ceratophyllaceae Ceratophyllum demersum L. RM-142181 Joseph L. M. Charboneau 7302 11 7 2011 U.S.A. Montana Phillips Korsbeck Waterfowl Production Area: W of Stage Road, ca 8 air mi N of Ester Lake, ca 24 air mi NNE of Zortman; ca 21.5 air mi SW of Malta. In water of pond. 2590 2600 ft. 48.2154° N, 108.2706° W; NAD 83, GPS reading T28N R27E S5 N1/2 48.2154 -108.2706 NAD 83 GPS reading Flowering N 47 RM 824636 Charboneau 2011 RM Ceratophyllaceae Ceratophyllum demersum L. RM-142394 Joseph L. M. Charboneau 8787 4 8 2011 U.S.A. Montana Valley Glasgow 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. Floating in water. 2720 2740 ft. 48.4481° N, 106.5791° W; NAD 83, GPS reading T31N R39E S18 NE1/4 48.4481 -106.5791 NAD 83 GPS reading Flowering and Fruiting N 48 RM 825279 Charboneau 2011 RM Ceratophyllaceae Ceratophyllum demersum L. RM-142449 Joseph L. M. Charboneau 9430 11 8 2011 U.S.A. Montana Phillips PR-22 Reservoir, N of Whitewater Creek, ca 4.5 air mi SW of 3 Way No. 2 Reservoir, ca 10 air mi NW of Whitewater; ca 37.5 air mi NNE of Malta. Floating in water of reservoir. 2540 2560 ft. 48.8849° N, 107.7474° W; NAD 83, GPS reading T36N R30E S13 SW1/4 48.8849 -107.7474 NAD 83 GPS reading Vegetative N 49 RM 825863 Charboneau 2011 RM Ceratophyllaceae Ceratophyllum demersum L. RM-142458 Joseph L. M. Charboneau 9514 13 8 2011 U.S.A. Montana Phillips Matador Ranch: Government Reservoir (PR-35) in Dry Fork Creek, ca 4.5 air mi SE of Coburn Butte, ca 12.5 air mi SE of Zortman; ca 41 air mi SW of Malta. Floating in water of reservoir. 3050 3070 ft. 47.8505° N, 108.2907° W; NAD 83, GPS reading T24N R27E S8 SW1/4 47.8505 -108.2907 NAD 83 GPS reading Flowering N 50 RM 833408 Blue Valley Ranch RM Ceratophyllaceae Ceratophyllum demersum L. RM-148711 Cynthia Villa 842 30 6 2002 U.S.A. Colorado Grand Blue Valley Ranch: Beaver ponds. Riparian area around beaver ponds. 7401 ft. Zone 13N, 382084E, 4428356N T1S R80W S5 Flowering N N 51 RM 882092 RMHERB1 RM 681306 Ceratophyllaceae Ceratophyllum demersum L. RM-54215 Robert D. Dorn 8614 13 9 2000 U.S.A. Wyoming Hot Springs Near head of Grass Creek. Shallow water of pond with Sparganium and Potamogeton. 8400 ft. 43.8655° N, 109.0012° W T45N R101W S17 South1/2 43.8655 -109.0012 Vegetative N N 52 RM 882093 RMHERB1 RM 288752 Ceratophyllaceae Ceratophyllum demersum L. RM-51601 Robert D. Dorn 1204 24 3 1971 U.S.A. Wyoming Teton Grand Teton National Park: Kelly Warm Springs. Warm pond associated with Najas and Lemna valdiviana. 6700 ft. 43.6392° N, 110.6163° W; NAD 83, uncertainty .25 mi., Nat. Geog. TOPO! T42N R115W S2 43.6392 -110.6163 NAD 83 0 mi. Y Y Nat. Geog. TOPO! SC Moderately abundant. Vegetative N N 53 RM 882094 RMHERB1 RM 587910 Ceratophyllaceae Ceratophyllum demersum L. RM-108231 Walter Fertig 8912 11 7 1991 U.S.A. Wyoming Sublette West Slope Wind River Range: small pond ca 1/4 mi S of Scab Creek Campground, 16 air mi E of Pinedale. Submerged aquatic on muddy soil. 8000 ft. 42.8153° N, 109.5536° W; uncertainty 1 mi. T33N R106W S19 42.8153 -109.5536 1 mi. Vegetative N N 54 RM 882096 RMHERB1 RM 293312 Ceratophyllaceae Ceratophyllum demersum L. RM-50672 Richard F. Harner 21 6 1974 U.S.A. Wyoming Campbell 6 mi NNE of Gillette at Moyer (Marshall) Creek. In spring. 4550 ft. 44.3743° N, 105.4189° W; uncertainty 3 mi. T51N R71W S29 44.3743 -105.4189 3 mi. Vegetative N N 55 RM 882097 RMHERB1 RM 248556 Ceratophyllaceae Ceratophyllum demersum L. 1. Ceratophyllum demersum L.
Annotated by C. L. Porter. RM-156570 Wilhelm G. Solheim 4429 17 6 1955 U.S.A. Wyoming Teton Grand Teton National Park: Swan Lake. Bottom of lake. 6800 ft. 43.8992 -110.6322 NAD 83 700 ft. N Nat. Geog. TOPO! BEN Fruiting N N 56 RM 882099 RMHERB1 RM 260013 Ceratophyllaceae Ceratophyllum demersum L. RM-156537 T. A. Bell 44 9 9 1959 U.S.A. Wyoming Fremont Ocean Lake, all along the north side penisula. Vegetative N N 57 RM 882100 Porter RM 273166 Ceratophyllaceae Ceratophyllum demersum L. RM-156538 C. L. Porter 9324 Marjorie W. Porter 21 6 1963 U.S.A. Wyoming Teton Grand Teton National Park: Swan Lake. Submerged, with Nuphar 6600 ft. 43.8899° N, 110.6329° W; NAD 83, uncertainty 0.75 mi., Digital Map T45N R115W S2 43.8899 -110.6329 NAD 83 1 mi. N Digital Map Located at Swan Lake; ca 1 air mile SE of Colter Bay Village; ca 1 air mile SW of Cygnet Pond; east side of Jackson Lake; geo-locate.org. EL Vegetative N N 58 RM 882102 RMHERB1 RM 252674 Ceratophyllaceae Ceratophyllum demersum L. RM-156539 Wilhelm G. Solheim 4500 4 7 1956 U.S.A. Wyoming Teton Grand Teton National Park: Swan Lake. In mud on bottom, in 7.5 ft of water. 6850 ft. 43.8992 -110.6322 NAD 83 700 ft. N Nat. Geog. TOPO! BEN Vegetative N N 59 RM 923882 RMHERB2 RM 1000077 RM0274859 Ceratophyllaceae Ceratophyllum demersum L. RM-458325 Janet L. Wingate 12558A Melissa Islam, Mike Kingten, Bryan Fischer 29 7 2018 U.S.A. Colorado Jackson North Park: Fischer Lake, N of County Road 12E, NE of Walden. Aquatic growing in shallow water of lake margin, with Zannichellia palustris. 8000 ft. 40.73777° N, 106.25487° W; GPS reading 40.73777 -106.25487 N GPS reading Abundant; sterile. Vegetative N RM0274859 N 60 RM 924368 So Rocky Mts RM 100077 Ceratophyllaceae Ceratophyllum demersum L. RM-457813 Janet Wingate 12558A 29 7 2018 U.S.A. Colorado Jackson North Park: Fischer Lake, N of County Road 12E, NE of Walden. Aquatic growing in shallow water of lake margin. 8000 ft. N Abundant. Vegetative N N