MO
1616798 William E. Harmon 717 1967-08-14
United States, Colorado, Gunnison, E slope on mountain between Elko Park and Mexican Cut., 3170 - 3353m
MO
1616789 Lewis S. Fleak 446 1966-07-27
United States, Colorado, Galena Mountain., 3200 - 3658m
MO
1616814 Ray J. Davis 375-W 1934-07-15
United States, Wyoming, Carbon, Irene Reservoir No. 2, 42.2733334 -106.7822223, 1936m
MO
100210723 Henry N. Bolander s.n. 1866-00-00
United States, California, Mono trail (very deep water) east side.
MO
100219516 Henry N. Bolander 5091 1866-09-00
United States, California, Sierra Nevada, Upper Tuolumne River. Large meadows (little pools)., 2957m
MO
100288331 Peter Achuff
Canada, Alberta, detailed locality information protected
MO
100719359 George Yatskievych 88-212 1988-08-26
United States, California, Shasta, Mount Lassen National Park; emerald Lake, just NW of Lassen Park Road and ca. 2 air miles SW of Lassen Peak. T30N R04E S10 SE4., 2463m
MO
100306398 Anonymous s.n. 1870-06-00
United States, Colorado, Larimer, Mary's Lake. Summit., 2134m
MO
100306384 Henry N. Bolander 5080 1866-00-00
United States, California, Mt. Dana., 3048m
MO
100410024 Frank Tweedy s.n. 1882-08-00
United States, Washington, Cascade Mts, high mountain ponds., 1920m
MO
100410008 George Engelmann s.n. 1880-10-11
United States, California, The surface of Trelake near Soda Springs Station, Pacific Railroad, Sierre Nevada.
MO
100410016 Cyrus G. Pringle s.n. 1882-09-22
United States, California, Lakes Summit Valley, Sierra Nevada.
MO
100410042 Townshend S. Brandegee s.n. 1881-00-00
United States, Colorado, Lake in NW Colorado. Gunnison River country., 3048m
MO
100410020 Wilhelm N. Suksdorf s.n. 1881-08-31
United States, Washington, Ponds, Mt. Adams.
MO
100410017 Cyrus G. Pringle s.n. 1882-09-20
United States, California, Sierra, Lakes Summit Valley, Sierra.
MO
1616827 David B. Dunn 15445 1966-07-28
United States, Colorado, Gunnison, Pond bottom. Slopes toward Galena Peak. S facing Rocky Mts. At timber line, rocky slopes., 3505m
MO
100410029 Marcus E. Jones s.n. 1879-08-12
United States, Utah, Subalpine Lake at Alta, Wasatch Mountains.
MO
100308761 Henry N. Bolander s.n. 1870-06-00
United States, California, Cisco, Sierra Nevada. In small lakes, in deep water., 1372 - 1524m
MO
100306405 Henry N. Bolander 5093 1866-00-00
United States, California, [Near Mono Trail.], 3048m
MO
100790942 J. Richard Abbott 17924 2003-07-06
United States, Florida, Taylor, [NAD 27 map datum] W of Perry; ca 1.3 miles E of the Econfina River on U.S. 98, then ca 450' NE on dirt access road (property boundary of Suwannee River Water Management District land), then ca 0.4 mile NW on dirt road, then ca 400' W., 30.1491 -83.844
MO
100412235 Anonymous s.n.
MO
36739 Mary Susan Taylor 2345 1980-03-01
United States, California, Butte, T21N R3E nw 1/4 sec 5. Near Elliot Spring House, S side of Neal Road, ca. 2 mi SW of Paradise., 302m
MO
100993149 Clyde F. Reed s.n.3052 1966-08-27
United States, Connecticut, Tolland, Edge of pond on Bald Hill near Rt. 190 on Rt. 84., 390m
MO
101015279 Clyde F. Reed 42098 1958-08-19
United States, Connecticut, Litchfield, Just east of Norfolk. Route 44. Edge of pond.
MO
101018944 Clyde F. Reed 16979 1949-09-06
United States, New York, Schuyler, Cayuta Lake. 3 miles north east of Odessa.
MO
101018945 Clyde F. Reed 16978 1949-09-06
United States, New York, Schuyler, Cayuta Lake. 3 miles north east of Odessa.
MO
101018942 Clyde F. Reed 16983 1949-09-06
United States, New York, Schuyler, Cayuta Lake. 3 miles north east of Odessa.
MO
101018943 Clyde F. Reed 16983a 1949-09-06
United States, New York, Schuyler, Cayuta Lake. 3 miles north east of Odessa.
MO
101328136 W. Testo 2348 2019-06-05
United States, Florida, Clay, Penney Farms. Sharon Road, just west of Sharon Baptist Church, along dirt road., 29.9084 -81.8082, 25m
MO
1825709 * KOTT 521
Canada, Nova Scotia, Protected due to name conservation status
MO
100211153 William R. Maxon s.n. 1900-00-00
United States, Virginia, Fairfax, Protected due to name conservation status
MO
101265319 James Galen
United States, Pennsylvania, Lancaster, detailed locality information protected
MO
100408132 Anonymous s.n. 1817-07-11
United States, Massachusetts, Island in the middle of Horn Pond.
MO
100408126 Anonymous s.n. 1862-11-16
United States, Massachusetts, Woburn.
MO
100408156 G.W. Clinton s.n. 1867-08-24
United States, New York, Warren, Lejeune Lake, at its outlet.
MO
100408059 Russell, John Lewis s.n. 1870-08-00
United States, Massachusetts, Abundant in Beaver Pond, near Beverly.
MO
100408052 H. Mann s.n. 1863-10-01
United States, Massachusetts, Concord.
MO
100408072 SEARS s.n. 1882-11-16
United States, Massachusetts, In Chadwick Pond, West Boxford
MO
100407989 Cyrus G. Pringle s.n. 1878-07-19
United States, Vermont, In Lake Champlain.
MO
100407995 Cyrus G. Pringle s.n. 1882-09-01
United States, California, Mountain Lakes, Head of Trinity River, northern California., 610m
MO
100407986 William G. Farlow 2 1878-00-00
United States, Massachusetts, Hammonds pond near Boston, (in water.)
MO
100408017 Cyrus G. Pringle s.n. 1876-08-10
United States, Vermont, Lake of the Clouds, near the summit of Mt. Mansfield.
MO
100408036 Cyrus G. Pringle s.n. 1881-08-14
United States, California, Castle Lake, near Scotts Mountain - mountains about the head waters of the Sacramento River., 1829m
MO
100408041 Thomas C. Porter s.n. 1869-05-25
United States, New Jersey, Lake Hopatcong.
MO
100408275 Charles E. Faxon 2 1877-08-08
United States, Vermont, Lake of the Clouds, Mt. Mansfield.
MO
100408278 H. Mann s.n.
United States, Vermont, Mansfield Mountain, in a small pond near the upper limit of trees in gravelly bottom, in 1 or 2 feet of water - gregarious.
MO
100408273 Charles E. Faxon 1 1877-08-20
United States, Vermont, Pond on Sterling Mountain.
MO
100408270 Charles E. Faxon 8
United States, Massachusetts, Brookline.
MO
100408267 H. Mann s.n. 1863-07-31
United States, New Hampshire, Echo Lake.
MO
100408268 Charles E. Faxon 3
United States, Massachusetts, Round Pond.
MO
100408265 H. Mann s.n. 1869-09-00
United States, New Hampshire, Wiers, Lake Winnipeseogee
MO
100408304 Vahl, Jens Laurentius (Lorenz) Moestue s.n. 1825-00-00
Greenland, "Tessermint" (fiord) between 60° and 60° 43' lat.
MO
100408249 Charles E. Faxon 10 1882-08-26
United States, New Hampshire, Dismal Pool, near source of Saco River, White Moutain Notch.
MO
100408246 G.W. Clinton s.n. 1865-09-02
United States, New York, Niagara River. near Buffalo.
MO
100408205 G.W. Clinton s.n. 1866-09-03
United States, New York, Niagara River, below Buffalo.
MO
100408186 Lesquereux, Charles Léo s.n. 1862-07-29
United States, New York, Adirondack Mountains, west of Lake George.
MO
100408190 G.W. Clinton s.n. 1866-09-19
United States, New York, On the Catskill Mountains, half a mile from the Catskill House in the more southerly of the two lakelets.
MO
100408198 Lucien M. Underwood s.n. 1882-00-00
United States, Connecticut, Lake Marshapaug, Litchfield. f
MO
100408367 Sereno Watson s.n. 1869-08-04
United States, Utah, Lake near the head of Bear River, Uinteh Mountains., 3048m
MO
100408388 I. C. Martindale s.n. 1873-09-18
United States, New Jersey, Ocean, At Tom's River, in salt water, submerged.
MO
100408376 Anonymous s.n.
United States, New York, Niagara.
MO
100408373 Anonymous s.n.
MO
100408461 William B. Booth s.n. 1866-09-02
United States, Massachusetts, Soft mud at the lower end of Mystic pond.
MO
100408471 William B. Booth s.n. 1866-09-00
United States, Massachusetts, Lower end of Mystic Pond.
MO
100408445 William B. Booth s.n. 1867-09-17
United States, Massachusetts, Horn Pond, Westside.
MO
100408456 William B. Booth s.n. 1866-09-02
United States, Massachusetts, Along banks of Mystic pond near Boston, subject to a tide of 1-2 feet always submerged, together with Isoetes tuckerman.
MO
100408451 William B. Booth s.n. 1866-09-02
United States, Massachusetts, Mystic pond near Boston, at the very end of the pond, at the origin of the river.
MO
100408419 William B. Booth 9 1866-09-00
United States, Massachusetts, Concord Brook, small stream; growing on a firm bottom in a foot of water.
MO
100408416 William B. Booth s.n. 1867-07-23
United States, Massachusetts, Spot Pond, Stoneham.
MO
100408404 William B. Booth s.n. 1867-09-09
United States, Massachusetts, Brook in Tofit Swamp.
MO
100408411 William B. Booth s.n. 1866-09-18
United States, Massachusetts, In the Abbajona River, the main feeder of the Mystic pond, near Boston.
MO
100408530 William B. Booth s.n. 1867-09-05
United States, Massachusetts, Southside of Sky Pond, Arlington.
MO
100408515 William B. Booth s.n. 1867-07-14
United States, Massachusetts, Woburn Brook.
MO
100408495 William B. Booth s.n. 1867-09-23
United States, Massachusetts, Small mud pond near Woburn.
MO
100406948 Abram P. Garber s.n. 1868-07-28
United States, Pennsylvania, Erie, Presque Isle, Erie.
MO
100406956 Thomas C. Porter s.n. 1867-08-07
United States, Pennsylvania, Carbon, Shallow gravelly margin of Great Lake. Submerged.
MO
100406958 James W. Robbins s.n. 1866-07-27
United States, Massachusetts, Grafton.
MO
100406959 James W. Robbins s.n. 1869-08-30
United States, Massachusetts, Shallow pond connected to the Blackstone River. (Uxbridge).
MO
1838951 George Engelmann 1 1860-08-05
United States, Massachusetts, Woburn Brook.
MO
100408062 Gillman, Henry s.n. 1871-08-06
United States, Michigan, Belle Ile, Detroit River.
MO
100408082 William B. Booth s.n. 1861-00-00
United States, Massachusetts, Pond, West Cambridge.
MO
100408394 William B. Booth s.n. 1863-09-23
United States, New Hampshire, Lake Winnepesaukee.
MO
100408520 William B. Booth s.n. 1867-07-18
United States, Massachusetts, In a small shallow pond, without an outlet, in Woburn. Many specimens wholly emersed owing to the shrinking of the pond.
MO
100408500 William B. Booth s.n. 1867-10-20
United States, Massachusetts, Round Pond Woburn.
MO
100408477 William B. Booth s.n. 1867-09-20
United States, Massachusetts, Small mud pond near Woburn.
MO
100406940 John Macoun s.n. 1870-07-12
Canada, Ontario, Hastings, Canada West.
MO
100406960 James W. Robbins s.n. 1866-08-30
United States, Massachusetts, In a mill pond, 2-3 feet deep at Uxbridge.
MO
100407984 William G. Farlow 3 1878-00-00
United States, Massachusetts, Hammonds pond near Boston, (out of water.)
MO
100408379 Charles E. Smith s.n. 1867-09-17
United States, New Jersey, Ocean, Tom's River, growing entirely under water, not to be seen from the surface.
MO
100406945 John Macoun 1 1863-08-21
Canada, Ontario, In the small Partridge Lake, 50 miles northeast of Belleville, Canada West
MO
100408114 Charles E. Faxon 6
United States, Massachusetts, Essex, Pleasant Pond, Wenham.
MO
100408303 A.W. Chapman s.n. 1859-00-00
United States, Vermont, Lake Dunmore.
MO
100408386 Charles F. Parker s.n. 1867-09-16
United States, New Jersey, Ocean, Tom's River.
MO
100408449 William B. Booth s.n. 1867-07-04
United States, Massachusetts, South East part of Mystic Pond.
MO
100406952 Abram P. Garber s.n. 1869-08-26
United States, Pennsylvania, Susquehanna, Montrose.
MO
100408277 William M. Canby s.n. 1867-08-07
United States, Pennsylvania, Carbon, Great Pond, Pocono Mountain.
MO
100408300 H. Mann 8 1863-00-00
United States, Vermont, In a pond near Mansfield Mountain.
MO
100408194 J.A. Paine s.n. 1870-07-20
United States, New York, Banks of Oneida Lake, on the margins in deep sand.
MO
100408466 William B. Booth s.n. 1866-09-02
United States, Massachusetts, Small mud pond near Woburn.
MO
100408509 William B. Booth s.n. 1866-09-02
United States, Massachusetts, Woburn near Boston, in a brook.