USU:UTC
UTC00026776 John P. Young s.n. 1921-07-12
United States, Pennsylvania, Sullivan, Eagles Mere., 41.410911 -76.581894
USU:UTC
UTC00095974 Malcolm A. Nobs 1210 1949-08-04
United States, California, Mendocino, Outlet Creek, 3.8 miles north of Willits., 39.464944 -123.355454
USU:UTC
UTC00152498 C.B. Hellquist 8077 1973-07-25
United States, Massachusetts, Franklin, Laurel Lake, Erving., 42.621875 -72.371984, 233m
USU:UTC
UTC00152501 C.B. Hellquist 10625 1975-07-22
United States, Michigan, Cheboygan, Lancaster Lake 4.0 miles east of Levering., 45.621207 -84.707658
USU:UTC
UTC00221920 Richard R. Halse 2417 1981-07-28
United States, Oregon, Lane, Just below the dam just forms Dorena Reservoir at Schwarz Park ., 43.78705 -122.962262, 240m
USU:UTC
UTC00126806 Bayard Long 50750 1937-07-21
United States, New Jersey, Cumberland, Cedar Creek, Cedarville., 39.332096 -75.208227
USU:UTC
UTC00075735 F. H. Steinmetz s.n. 1940-08-03
United States, Maine, Penobscot, Mud Pond and Pushaw Stream, Old Town., 44.970049 -68.759295
USU:UTC
UTC00030367 Bassett Maguire 5438 1934-08-09
United States, Montana, Flathead, Glacier National Park, Roger's Lake.
USU:UTC
UTC00101670 F.M. Uhler 10 1925-08-08
United States, Michigan, Alger, West Branch Lake, 46.165857 -86.73412
USU:UTC
UTC00101671 N. Hotchkiss 7514 1957-09-02
United States, Idaho, Kootenai, In southwest bay of Cave Lake, Coeur d'Alene River Valley., 47.461859 -116.617535
USU:UTC
UTC00268866 J.A. Calder 15248 1954-08-31
Canada, British Columbia, Lake Kathlyn, a few miles north of Smithers, 54.823887 -127.206024
USU:UTC
UTC00000553 W.C. Muenscher 110 1929-09-03
United States, New York, Essex, South side of Lake Placid, 44.298148 -73.987774
USU:UTC
UTC00000554 W.C. Muenscher 112 1929-08-22
United States, New York, Essex, Ticonderoga Bay near outlet of Ticonderoga Creek
USU:UTC
UTC00000555 W.C. Muenscher 1645a 1931-07-08
United States, New York, Jefferson, North Channel between Black Lake Bay and Perch River Bay, Lake Ontariio, 43.998429 -76.071118
USU:UTC
UTC00000556 W.C. Muenscher 1633 1931-07-17
United States, New York, Herkimer, South Bay, Big Moose Lake, 43.823121 -74.847953
USU:UTC
UTC00081414 A Cronquist; Q Jones 6037 1949-08-06
United States, Idaho, Shoshone, Near head of W Fork of St. Maries R. 7 mi SW of Clarkia
USU:UTC
UTC00000557 W.C. Muenscher 108 1929-08-20
United States, New York, Washington, Podunk Pond (Nebo Lake), Fort Ann, 43.414238 -73.487612
USU:UTC
UTC00000558 W.C. Muenscher 747 1930-09-04
United States, New York, Saint Lawrence, Mouth of Coles Creek, 44.893366 -75.115358
USU:UTC
UTC00000559 W.C. Muenscher 765 1930-07-12
United States, New York, Clinton, Upper Chateaugay Lake, 44.741239 -73.967622
USU:UTC
UTC00000560 W.C. Muenscher 748 1930-09-12
United States, New York, Franklin, South end of Lower Chateaugay Lake, 44.806767 -74.006997
USU:UTC
UTC00000561 Bassett Maguire 479 1932-08-09
United States, Montana, Flathead, Glacier National Park. South of John's Lake., 48.637521 -113.856953, 991m
USU:UTC
UTC00136250 D.E. Boufford 4648 1971-09-01
United States, New Hampshire, Cheshire, Harrisville. Brook from Lake Skatutakee at rte 137., 42.934452 -72.032143
USU:UTC
UTC00136327 D. E. Boufford 7762 1972-08-16
United States, New Hampshire, Cheshire, Rte. 123 near Alstead Line, Marlow.
USU:UTC
UTC00085212 J. B. Mayle 2376 1936-08-25
United States, Minnesota, St. Louis, In boat channel, leading to Tower to Lake Vermillion., 47.807801 -92.288467
USU:UTC
UTC00021538 Bassett Maguire 5438 1934-08-09
United States, Montana, Flathead, Glacier National Park, Roger's Lake.
USU:UTC
UTC00039828 T.M.C. Taylor 282 1935-07-24
Canada, Ontario, Algoma, Black Creek, Batchawana Bay., 46.919458 -84.569351
USU:UTC
UTC00141290 H.H. Iltis 20419 1962-06-29
United States, Wisconsin, Florence, Pine River; vicinity of Chipmunk Rapids; 6 mi NE of Long Lake, 45.893257 -88.560822
USU:UTC
UTC00091152 W.J. Cody 6689 1952-08-21
Canada, Ontario, Ontario, Black River at Cooper's Falls.
USU:UTC
UTC00176150 L. Arnow 5677 1980-08-18
United States, Maine, Oxford, Town of Bethel. Along stream running through golf course associated with Bethel Inn., 44.39801 -70.793161
USU:UTC
UTC00093721 Albert N. Steward 6585 1953-09-17
United States, Oregon, Benton, Slough near bridge, McFadden's Marsh, 12 miles south of Corvallis., 44.39672 -123.30223
CS
144078 collectors: K DeMott & W Erickson 193 1977-07-22
United States, Colorado, Jackson County, Round Lake, 5 mi N of Rabbit Ears Pass. On S shore., 40.58 -106.67
CS
144079 collectors: W Erickson 341 1977-08-14
United States, Colorado, Jackson County, Round Mt Lake, 40.58 -106.67, 3000m
CS
144081 collectors: H Harrington 7282 1953-09-11
United States, Colorado, Jackson County, pond just E of Big Ck Lake, 40.66 -106.73, 2621m
CS
102299 collectors: H Harrington 9150 1959-07-09
United States, Colorado, Larimer County, beaver pond, E edge of Pingree Park, 40.56 -105.58, 2834m
CS
168932 collectors: C B Hellquist 6821 1972-09-06
United States, Massachusetts, Berkshire County, Fountain Pond, Great Barrington, Mass., 234m
CS
168931 collectors: C B Hellquist 6762 1972-08-30
United States, Maine, Franklin County, Gull Pond, Dallas (T2-R2), Maine., 485m
CS
168930 collectors: C B Hellquist 6986 1972-08-12
United States, Massachusetts, Barnstable County, Red Brook, Falmouth, Mass., 2m
CS
168912 collectors: D Rathke 1970-08-00
United States, Connecticut, Tolland County, Willimantic River Riffle in Mansfield Depot, Conn.
CS
168913 collectors: D Rathke 1970-08-00
United States, Iowa, Dickinson County, Spirit Lake in Iowa.
CS
144080 collectors: Ken Heil 10351 1996-07-24
United States, Colorado, Rio Grande County, San Juan National Forest. Forest Service Rd. 667; Twin ponds S of rd.; ca 1.25 mi NW of Elwood Pass., 37.4 -106.66, 3475m
CS
163077 collectors: Jennifer Ackerfield 2990 2007-07-22
United States, Colorado, Summit County, At Lily Pad Lake, W of Silverthorne., 39.6 -106.11, 3022m
CS
188559 collectors: Denise Culver 2009-06-08
United States, Colorado, Jackson County, Lone Pine Creek, kettle ponds.
CS
168902 collectors: C.B. Hellquist 6195 1972-08-04
United States, New Hampshire, Coos County, Fish pond. Columbia, 425m
CS
185578 collectors: Dick Walter Verda Walter 10593 1985-12-08
United States, Arizona, Gila County, pond at junction of forest service road 9c and state highway 87, E side of highway 87
CS
168933 collectors: William N. Grafton 1976-06-27
United States, West Virginia, Fayette County, Taylor Branch of Plum Orchard Lake.
NY
01804932 J. F. Macbride 519 1910-07-31
United States of America, Idaho, Owyhee Co., Boulder Creek, 42.870664 -116.88915, 1067m
NY
01804931 D. H. Mansfield 03383 2003-08-04
United States of America, Oregon, Malheur Co., Hoppin Springs Quad, West Little Owyhee River Louse Canyon, the first parallel canyon beyond the upper canyon, 42.10939 -117.50953, 1875m
NY
3709262 L. Arsène 39 1901-07-23
Saint-Pierre et Miquelon, Miquelon-Langlade, Eaux stagnantes c. Embouchure de la Carcasse Ouest
NY
3709347 J. W. Thompson 14046 1937-07-29
United States of America, Idaho, Custer Co., Shallow pond near Stanley Lake, Challis National Forest., 1981m
NY
3709288 J. W. Thompson 9422 1933-07-13
United States of America, Washington, Clallam Co., Lake Ozette
NY
3709309 A. C. Sondenaa 356 1996-07-13
United States of America, Idaho, Idaho Co., Nez Perce National Forest. Clearwater Mountains. 12 miles S of Grangeville along the Grangeville-Salmon Road #221, near Cayuse Meadows., 45.808906 -116.068891, 1585m
NY
3709273 P. Wilson s.n. 1908-07-00
United States of America, Maine, Long Lake near Harrison
NY
3709379 W. Boott s.n. 1865-08-20
United States of America, Massachusetts, Spot Pond
NY
3709241 P. Wilson s.n. 1908-07-00
United States of America, Maine, Long Lake near Harrison
NY
3709380 W. Boott s.n. 1865-08-27
United States of America, Massachusetts, Mystic Pond
NY
3709198 E. C. Ogden 1557 1936-08-01
United States of America, Maine, Penobscot Co., Mud Pond
NY
01804929 D. H. Mansfield 02-868 2002-07-22
United States of America, Oregon, Malheur Co., At North Fork of the Owyhee, about 3/4 mile west of Three Forks on the main Owyhee River. Growing in the North Fork of the owyhee River, 42.5431 -117.1525, 1201m
NY
3709348 R. C. Friesner 12795 1938-08-22
United States of America, Maine, Knox Co., Back of Baptist Church, Tenant's Harbor
NY
3909208 G. Stevens 93-151 1993-07-26
United States of America, New York, Ulster Co., Yankeetown Pond, Bearsville USGS Quad map
NY
3709092 E. P. Bicknell 73 1896-08-11
United States of America, Maine, York Co., York Harbor. York, Maine and Vicinity.
NY
02811781 A. Tiehm 17641 2016-08-11
United States of America, Nevada, Washoe Co., Mosquito Mountains, 12 Mile Creek, 1.3 air miles just S of due E of NV-CA-OR border., 41.98936 -119.97547, 1524m
NY
3709091 E. P. Bicknell 74
United States of America, Maine, York Co., York Harbor, York, Maine.
NY
3709225 F. H. Steinmetz s.n. 1940-08-03
United States of America, Maine, Penobscot Co., Sterile plants in shallow water, peat bottom of Mud Pond; fertile plants in quiet water, silt bottom of Pushaw Stream
NY
3709167 F. P. Briggs s.n. 1891-09-00
United States of America, Maine, Chemo Stream
NY
3709228 H. E. Hayward 600 1926-08-23
United States of America, South Dakota, Custer State Park, Black Hills, Squaw Creek
NY
01804928 B. Ertter 440/2 1972-08-28
United States of America, Idaho, Valley Co., Submersed in Payette Lake, W side near Sylvan beach, 44.9554 -116.0962
NY
04106213 Wilkes Expedition 191 1838-00-00
United States of America, Washington, Grays Harbor Co., Satchap River [=Satsop River, 2019]
NY
3709139 T. G. Lammers 13877 2012-07-26
United States of America, Wisconsin, Juneau Co., Public boat ramp on the south shore of Eagle Nest Flowage, just NE of the jct. of 16th St. (Beaver Ridge Rd.) and County Hwy H, 5.25 mi (by air) SSE of Mather in the Meadow Valley State Wildlife Area, 44.075458 -90.281959
NY
3709165 L. C. Wheeler 4023 1935-10-06
United States of America, California, Modoc Co., In shallow sunny water, Lily Lake, Pine Creek, Warner Mts., 41.972327 -120.200204, 2073m
NY
3709222 A. Cronquist 5960 1949-07-16
United States of America, Idaho, Benewah Co., In pond formed by railroad embankment, along northwest side of Lake Chatcolet, 10 miles northeast of Plummer., 47.378625 -116.762576, 671m
NY
01804926 L. C. Higgins 15973 1985-07-31
United States of America, Utah, Washington Co., Kolob Reservoir, 37.4389 -113.0426, 2450m
NY
120626 Collector unspecified s.n.
United States of America, Nov. Angl.
NY
01804927 J. A. Clark 311 1911-09-01
United States of America, Idaho, Ada Co., 43.6135 -116.20345, 2880 - 2880m
NY
3709353 E. E. Berkley s.n. 1929-06-19
United States of America, West Virginia, Wood Co., 39.266742 -81.561514
NY
04241615 W. R. Buck 66800 2021-08-02
United States of America, Maine, Washington Co., in tidally influenced portion of Narraguagus River between River Road and ME 193; rocky river, 44.6014 -67.9253, 1m
NY
3709378 K. M. Wiegand 631 1909-07-27
United States of America, Maine, Washington Co., Brook north of West Pembroke
NY
3709224 A. N. Steward 6802 1954-08-04
United States of America, Oregon, Deschutes Co., Near crossing of Little Deschute River and hwy. to Pringle Falls., 43.710686 -121.496717, 1326m
NY
04241640 W. R. Buck 66822 2021-08-04
United States of America, Maine, Penobscot Co., S end of Pushaw Lake in vicinity of Gould's Landing at Nadeau-Savoy Park; alkaline lake, 44.8997 -68.7853, 35m
NY
03097691 S. D. Glenn 14271 2015-07-23
United States of America, Pennsylvania, Bradford Co., 0.5 km east of Bonney Road., 41.7337 -76.5866, 354m
NY
04241649 W. R. Buck 66831 2021-08-06
United States of America, Maine, Washington Co., Town of T18 MD BPP, along Schoodic Road at crossing of tributary of Pleasant River; flowing stream, 44.7436 -67.9147, 56m
NY
531950 W. R. Buck 39652 2001-07-15
United States of America, New York, Putnam Co., Town of Patterson, Little Pond, at end of Little Pond Road, off East Branch Road (= Doansburg Road), 0.85 mi SSE of Haviland Hollow Road, 41.4761 -73.555, 160m
NY
04241620 W. R. Buck 66832 2021-08-06
United States of America, Maine, Washington Co., Town of T18 MD BPP, W shore of Horseshoe Pond; shallow lake, 44.7047 -67.9044, 73m
NY
3709239 A. B. Stout s.n. 1904-09-18
United States of America, a small rivulet that empties into Davil's Lake
NY
01804930 D. H. Mansfield 03208 2003-06-13
United States of America, Oregon, Malheur Co., Oregon Butte Quad, Little Owyhee Canyon four miles south of Anderson Crossing, 42.07858 -117.34361, 1731m
NY
3709093 B. Maguire s.n. 1939-07-10
United States of America, Idaho, Valley Co., West meadow, twelve miles south of Cascade.
NY
3709381 M. L. Fernald 476 1896-08-15
United States of America, Maine, Somerset Co., Valley of the Dead River
NY
3709186 F. W. Pennell 8394 1916-09-02
United States of America, New York, Westchester Co., Cranberry bog near Lake Waccabuc
NY
3709223 C. L. Porter 6572 1954-07-26
United States of America, South Dakota, Custer Co., In Grace Coolidge Creek, along the Needles Highway, in the Black Hills, 43.811809 -103.455598, 1524m
NY
3709250 H. J. Rust 386 1913-08-11
United States of America, Idaho, Kootenai Co., Coeur d’Alene. West end Fernan Lake., 47.676463 -116.726517
NY
3709255 C. Juday s.n. 1902-07-00
United States of America, Colorado, Lake Co., vicinity of Twin Lakes, 39.082825 -106.342033
NY
3709256 D. T. MacDougal 106 1900-07-24
United States of America, Idaho, Northern Idaho. Priest River Valley., 600m
NY
3709311 J. Jewell 895225 1995-08-12
United States of America, Wyoming, Carbon Co., Medicine Bow Mtns. In Long Lake, 41.505 -106.3733, 2652m
NY
3709313 B. Heidel 2475 2003-09-01
United States of America, Wyoming, Carbon Co., Sierra Madre Range, Huston Park Wilderness Area, near head of North Fork of Encampment River, ca 12.5 air mi SW of Encampment, 41.1274 -106.9942
NY
3709345 R. R. Halse 3929 1989-07-27
United States of America, Idaho, Fremont Co., Harriman State Park Railroad Ranch); very common in a shallow pond (water to .6 meters deep); leaves floating on surface., 44.3383 -111.4657, 1836m
NY
3709364 C. L. Porter 6315 1953-07-10
United States of America, Colorado, Jackson Co., shallow pond near Big Creek Lakes, 40.951576633179 -106.5895941477, 2621m
RM
Joy Handley, Erin Peters 7755 2000-08-04
U.S.A., Idaho, Idaho, Payette National Forest and Vicinity: Salmon River Mountains: Pony Meadows, ca 5 air mi S of Warren; ca 18 air mi WNW of Big Creek Guard Station., 45.1874 -115.6884, 2256m
RM
822108 Erwin F. Evert 37597B 1999-07-29
U.S.A., Idaho, Fremont, Island Park Plateau: Targhee National Forest: along the south side of Forest Road 156, ca 1/4 mi E of U.S. Hwy 20/191, 12 mi N of Ashton., 44.2229 -111.4455, 1866m
RM
241864 C. L. Porter 6515 1954-07-08
U.S.A., Wyoming, Carbon, Near Long Lake at the northern end of Medicine Bow Range., 41.5045 -106.3677, 2439m
RM
106751 Arthur C. McIntosh 754 1925-08-13
U.S.A., South Dakota, Pennington, Along the Needles road 10 mi NW of State Game Lodge., 43.7992 -103.4434, 1482m
RM
824304 Erwin F. Evert 38426 2000-07-26
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., 1951m