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Iowa State University, Ada Hayden Herbarium
ISC	Spirodela polyrrhiza (L.) Schleid. ISC0191274B. Shimek   s.n.1896-00-00 USA, Iowa, Lyon Full Record Details
ISC	Spirodela polyrrhiza (L.) Schleid. ISC0191275B. Shimek; Myers   s.n.1897-00-00 USA, Iowa, Louisa Full Record Details
ISC	Spirodela polyrrhiza (L.) Schleid. ISC0191279B. Shimek   s.n.1892-00-00 USA, Iowa, Linn Full Record Details
ISC	Spirodela polyrrhiza (L.) Schleid. ISC0201289I. E. Snead   s.n.1946-00-00 USA, Iowa, Allamakee Full Record Details
ISC	Spirodela polyrrhiza (L.) Schleid. ISC0213802M. L. Grant   s.n.1952-00-00 USA, Iowa, Dickinson Full Record Details
ISC	Spirodela polyrrhiza (L.) Schleid. ISC0230496P. H. Monson   28111956-00-00 USA, Iowa, Hardin Full Record Details
ISC	Spirodela polyrrhiza (L.) Schleid. ISC0249804M. Lelong   2431961-00-00 USA, Iowa, Hamilton Full Record Details
ISC	Spirodela polyrrhiza (L.) Schleid. ISC0272997J. W. Wooten   20651968-00-00 USA, Iowa, Greene Full Record Details
ISC	Spirodela polyrrhiza (L.) Schleid. ISC0273577D. A. Drews   71968-00-00 USA, Iowa, Clinton Full Record Details
ISC	Spirodela polyrrhiza (L.) Schleid. ISC0426765W. R. Norris   98-8-26-181998-00-00 USA, Iowa, Story Full Record Details
ISC	Spirodela polyrrhiza L. ISC0445452B. T. Hazlett   67452000-00-00 USA, Iowa, Woodbury Full Record Details
Lord Fairfax Community College Herbarium
LFCC	Spirodela polyrrhiza (L.) Schleid. LFCC-0001882R.C. Simpson   s.n1977-06-05 United States, Virginia, Shenandoah, Approximately 6 miles west of Columbia Furnace on Laurel Run at the intersection of route 691 and route 717 in seepage ponds 2 mi. West on route 691., -38.889384 -78.711919, 457m Full Record Details
LFCC	Spirodela polyrrhiza (L.) Schleid. LFCC-0001699R. Simpson   s.n.1971-06-24 Canada, Ontario, Chatham-Kent, Walpole Is., 42.55 -82.483333 Full Record Details
LFCC	Spirodela polyrrhiza (L.) Schleid. LFCC-0001700Drew Smith   s.n.1975-05-19 United States, Virginia, Warren, 1 mi. west of Bentonville on Rt. 613 at Indian Hollow Bridge on south fork of Shenandoah River. Full Record Details
LFCC	Spirodela polyrrhiza (L.) Schleid. LFCC-0001701Dendro class trip   s.n1975-09-03 United States, Virginia, Virginia Beach City, Virginia Beach, sandbrige "lotus" pond Full Record Details
LFCC	Spirodela polyrrhiza (L.) Schleid. LFCC-0001702Rob Simpson, Kelly Ramsey   s.n.1972-06-05 United States, Virginia, Shenandoah, Approx. 6 mi West of Columbia Furnace on Laurel Run at the intersection of Rt 691 & Rt 717 in seepage ponds .2 mi W. on Rt. 691. 1500 ft, -38.889384 -78.711919, 457m Full Record Details
LFCC	Spirodela polyrrhiza (L.) Schleid. LFCC-0001703R.C. Simpson   s.n1977-06-05 United States, Virginia, Shenandoah, Approx. 6 miles west of Columbia Furnace on Laurel Run at the intersection of Rt. 691 and Rt. 717 .2 miles west on Rt. 691., 38.885985 -78.708718, 457m Full Record Details
LFCC	Spirodela polyrrhiza (L.) Schleid. LFCC-0001704R. C. Simpson, Kelly Ramsey   s.n.1977-06-05 United States, Virginia, Shenandoah, Approximately 6 mi. west of Columbia Furnace on Laurel Run at the intersection of Rt. 691 and Rt. 717 in seepage ponds 2 mi. west of Rt. 691., -38.889384 -78.711919, 457m Full Record Details
LFCC	Spirodela polyrrhiza (L.) Schleid. LFCC-0001705G. Evans, K. Ramsey, R. C. Simpson   861977-07-19 United States, Virginia, Shenandoah, Rt 685, 1.3 m N Rt. 675. NW Edingburg. Elev. 800 ft., 244m Full Record Details
LFCC	Spirodela polyrrhiza (L.) Schleid. LFCC-0001706G. Evans   s.n1977-06-19 United States, Virginia, Shenandoah, N.E end Edingburg , Jct. Stoney Creek and Shen. River., 38.822653 -78.54943, 259m Full Record Details
LFCC	Spirodela polyrrhiza (L.) Schleid. LFCC-0001707R.C. Simpson   s.n.1980-09-00 United States, Virginia, Frederick, At west edge of Winchester at junction of Rt. 621 and W&W railroad White's Lake., 39.179449 -78.199071 Full Record Details
Louisiana State University, Shirley C. Tucker Herbarium
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00010962Florence M. Givens   56381989-10-29 United States, Louisiana, Assumption, On both sides of dirt road along La. Rt. 402; between 4.4 miles and 9.1 miles SW of Paincourtville. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00010963Susan Stentz   541973-10-10 United States, Louisiana, East Baton Rouge, Campus Lake, LSU Baton Rouge. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00010964J. H. Blackmon Jr.   671976-11-06 United States, Louisiana, Iberville, Dirt road from Spanish Lake Landing. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00010966Florence M. Givens   20451981-06-04 United States, Louisiana, LaFourche, Where Grand Bayou crosses paved section of La. Rt. 307, approx. 0.5 mile north of Choctaw. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00010967Max Newber   s.n.1973-07-04 United States, Louisiana, Pointe Coupee, Innis, La. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00039136Saundra Scarce   3351997-10-06 United States, Louisiana, Saint Martin, Cypress Island Preserve, just beyond the end of marked TNC trail., 30.2263889 -91.925 Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00011066Florence M. Givens   20571981-06-16 United States, Louisiana, LaFourche, Edge of Bubbling Bayou approx. 2 miles down Sunoco Oil Co. Rd, about 1.25 miles north of Tereebonne-Lafourche Parish line on LA 309. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00039688Diane M. Ferguson   3072001-09-08 United States, Louisiana, Cameron, Gibbstown Bridge, east side of bridge on small access road, south of the Intracoastal Waterway. All plants floating in a roadside ditch., 29.9325 -93.0786667 Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00047015Niel F. Petersen   s.n.1909-10-01 United States, Louisiana, East Baton Rouge, Baton Rouge Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00048408Americus Featherman   s.n. United States, Louisiana, Orleans, New Orleans Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00048410Americus Featherman   s.n. United States, Louisiana, Orleans, New Orleans Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00048411E. C. Wurzlow   s.n.1913-07-30 United States, Louisiana, Terrebonne, St. Louis Cypress Company's canal, near Houma. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00053901Mary G. Curry   4611972-08-12 United States, Louisiana, West Feliciana, In Polly Creek about 10 miles NW of St. Francisville. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00077761Robert Schwarzwalder Jr.   s.n.1978-08-11 United States, Montana, Lake, Ninepipe NWR; Plant common aquatic growing on surface of water in Ninepipe Res. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00077762John M. Gillett   158351972-07-30 Canada, Ontario, Renfrew, Olmstead Lake, 3 mi. SE of Cobden., 45.816 -76.783 Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00077763Harold Welch   s.n.1965-07-11 United States, Georgia, Bibb, On water in clay pits at S side of Ocmulgee River in E Macon. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00077764Marie P. Locke   26761978-10-06 United States, Arkansas, Jefferson, Pine Bluff; From body of water off Collegiate Circle, near Hwy 79 at the edge of the city. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00097503S. D. Glenn   99042005-07-21 United States, New York, Orange, Newburgh, Chadwick Lake marshy lake margin., 137m Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00115393M. Arnett   4652002-08-25 United States, Louisiana, Webster, DMC 4 69356/36 02460. Approximately 2.0 km SE of Knottingham Cemetery, ca. 3.7 km ENE of Walker Cemetery., 44m Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00139315Ray Neyland   10861996-09-29 United States, Louisiana, Calcasieu, Intracoastal Waterway; Specimen collected in dtich along Hwy 384 near Intracoastal. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00139317Ray Neyland   13191997-04-25 United States, Louisiana, Calcasieu, Specimen collected in Cypress Swamp near Bell City. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210593David C. Moore   24521983-09-04 United States, Louisiana, Union Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210597Tim Briley   15621980-06-19 United States, Louisiana, Tensas Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210598Neil Carroll   19081980-08-21 United States, Louisiana, Sabine Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210600R. Dale Thomas   54550A1977-08-02 United States, Louisiana, Richland Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210602Steven Schutz   19991979-05-31 United States, Louisiana, Rapides Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210607R. Dale Thomas   552481977-09-15 United States, Louisiana, Morehouse Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210611R. Dale Thomas   33173A1972-10-12 United States, Louisiana, La Salle Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210613R. Dale Thomas   310771972-07-09 United States, Louisiana, Lafourche Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210615R. Dale Thomas   289661972-05-06 United States, Louisiana, Grant Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210616R. Dale Thomas   759041981-05-06 United States, Louisiana, Franklin Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210617R. Dale Thomas   611361978-09-28 United States, Louisiana, De Soto Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210620R. Dale Thomas   192121970-06-06 United States, Louisiana, Catahoula Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210624R. Dale Thomas   399481974-06-22 United States, Louisiana, Caldwell Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210625R. Dale Thomas   417951974-10-03 United States, Louisiana, Caddo Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0210627R. Dale Thomas   475271975-10-07 United States, Louisiana, Bienville Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NLU0396907W. C. Holmes   23171975-09-25 United States, Louisiana, Natchitoches Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0038874L. E. Nolfo   1772004-08-03 United States, Louisiana, Jefferson, Jean Lafitte National Historical Park, Barataria Unit, Horseshoe Canal Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0038875A. C. Owens (Jr.)   1959-09-25 United States, Louisiana, La Salle, Catahoula Lake Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0038876E. N. Lambremont   61950-10-29 United States, Louisiana, Orleans, New Orleans, Audubon Park Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0038878E. N. Lambremont   31950-10-18 United States, Louisiana, Orleans, City Park Lagoon, New Orleans Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0038879E. N. Lambremont   131950-11-21 United States, Louisiana, Jefferson, Waggaman Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0038887Royal D. Suttkus   81-21-21981-11-22 United States, Nevada, Nye, Railroad Valley, Hay Corral Srping, North Springs [SW of] Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0038888T. F. Hall   1939-04-08 United States, Alabama, Dallas, Selma Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0038889L. B. Smith   1938-07-10 United States, Massachusetts, Middlesex, Horn Pond Hill, Woburn Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0038890Charles S. Wallis   77241958-08-02 United States, Oklahoma, Muskogee, Fort Gibson [S of] Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0038891C. M. Rydén   1911-07-00 Sweden, Kalmar Laen, Kalmar Kommun, Ljungbyholm Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0110671William T. Penfound   s.n.1940-04-21 United States, Louisiana, Calcasieu Full Record Details
LSU-NO:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. NO0110686E. N. Lambremont   161950-11-29 United States, Louisiana, Saint Charles Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00125039Stephanie M. Gunn   B-3782005-07-27 United States, Louisiana, Jefferson, Jean Lafitte National Historic Park and Preserve; Open water northeast of large lake in Bayou Segnette Waterway near northern boundary of Unit., 29.8579 -90.1927 Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00181470Robert R. Haynes   50451975-06-26 United States, Michigan, Cheboygan, Small bay of the Black River, about 6.5 miles due southeast of Cheboygan. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00181471David J. Keil   K48611969-05-29 United States, Illinois, DuPage, 0.8 miles north of US Route 34 on Illinois Route 83. Full Record Details
LSU:Vascular Plants	Spirodela polyrrhiza (L.) Schleid. LSU00181472Robert R. Haynes   51231975-06-07 United States, Michigan, Mackinac, Bays of Millecoquins River; about 2 miles west of Naubinway. Full Record Details
Minot State University
MISU:NA	Spirodela polyrrhiza (L.) Schleid. 69-24Alexey Shipunov, Liudmila Abramova, Joshua Beaudoin, Dallas Fry   2012-07-26 United States, North Dakota, Grand Forks, Forest and wetlands along Forest River, 48.16636134 -97.68838381 Full Record Details
Mississippi Museum of Natural Science Herbarium
MMNS	Spirodela polyrrhiza (L.) Schleid. MMNS014809John R. MacDonald   107501997-06-20 United States, Alabama, Barbour, roadside of Hwy. 82 at 1.5 mi W of junc. w/ Hwy. 49 in Comer; area around lake, 32.037588 -85.410326 Full Record Details
MMNS	Spirodela polyrrhiza (L.) Schleid. MMNS015921Cary Norquist   2561982-05-17 United States, Mississippi, Pearl River, Old River WMA, floating aquatics in slough near launching area, 30.674 -89.8122 Full Record Details
MMNS	Spirodela polyrrhiza (L.) Schleid. MMNS025517Lucas C. Majure   14282006-04-29 United States, Mississippi, Lauderdale, Chunky River, just W of Point Rd., 32.3105 -88.8923 Full Record Details
MMNS	Spirodela polyrrhiza (L.) Schleid. MMNS028050H.M. Sullivan   07-1777b2007-09-27 United States, Mississippi, Neshoba, Nanih Waiya WMA. Boat launch north of Hwy 21, 32.87722222 -89.0575 Full Record Details
MMNS	Spirodela polyrrhiza (L.) Schleid. MMNS028083H.M. Sullivan   07-17432007-09-26 United States, Mississippi, Issaquena, Mahannah WMA. Near end of western road through WMA, 32.54888889 -90.93888889 Full Record Details
MMNS	Spirodela polyrrhiza (L.) Schleid. MMNS029046H.M. Sullivan   09-21942009-07-01 United States, Mississippi, Grenada, Chakchuma Swamp Natural Area. Grenada. North of town on Main Street., 33.793027 -89.799779 Full Record Details
MMNS	Spirodela polyrrhiza (L.) Schleid. MMNS032176H.M. Sullivan   10-24082010-10-23 United States, Mississippi, Madison, Madison Central High School, 1417 Highland Colony Parkway, Madison, Mississippi. Lawn of school near drainage ditch., 32.46722222 -90.155 Full Record Details
MMNS	Spirodela polyrrhiza (L.) Schleid. MMNS034506Kevin D. Philley   10912013-08-23 United States, Mississippi, Choctaw, 33.4314 -89.43684 Full Record Details
MMNS	Spirodela polyrrhiza (L.) Schleid. MMNS035047H.M.Sullivan   11.27222011-06-15 United States, Mississippi, Itawamba, Canal Section WMA, West side of Tenn-Tom Waterway, 34.359528 -88.412528 Full Record Details
Mississippi State University
MISSA	Spirodela polyrrhiza (L.) Schleid. MISSA003267James D. Ray, Jr.   49421955-07-14 United States, Mississippi, Washington, Deer Creek, 1 mi NW of Stoneville, 33.4297 -90.929747 Full Record Details
MISSA	Spirodela polyrrhiza (L.) Schleid. MISSA003268K. E. Rogers   8460-B1972-07-01 United States, Mississippi, Wilkinson, ca. 1 mi W of Ft. Adams, 31.138566 -91.554964 Full Record Details
MISSA	Spirodela polyrrhiza (L.) Schleid. MISSA003269Gary N. Ervin   352004-07-15 United States, Mississippi, Yazoo, 32.96866667 -90.38533333 Full Record Details
MISSA	Spirodela polyrrhiza (L.) Schleid. MISSA003270K. E. Rogers   8713-A1972-09-24 United States, Mississippi, Yazoo, about 3-4 mi E of Satartia, 32.670811 -90.475213 Full Record Details
MISSA	Spirodela polyrrhiza (L.) Schleid. MISSA003271Robert K. Godfrey   544671956-03-15 United States, Florida, Leon, edge of Lake Munson, near Tallahassee, 30.369022 -84.308616 Full Record Details
MISSA	Spirodela polyrrhiza (L.) Schleid. MISSA031350L.B. Smith   8271938-07-10 United States, Massachusetts, Middlesex, Horn Pond, Woburn, 42.467984 -71.161374 Full Record Details
MISSA	Spirodela polyrrhiza (L.) Schleid. C. D. Richards   43321950-08-22 United States, Michigan, Baraga, along U.S. Hwy 41 N of Baraga, 46.794058 -88.474599 Full Record Details
Museum of Northern Arizona
MNA	Spirodela polyrrhiza (L.) Schleid. B.11704Hevly, R. H.   1959-08-31 USA, Arizona, Navajo County, Showlow Creek, 34.175734 -109.980812 Full Record Details
MNA	Spirodela polyrrhiza (L.) Schleid. B.11705Hevly, R. H.   1959-08-31 USA, Arizona, Navajo County, Showlow Creek, 34.178823 -109.990297 Full Record Details
Natural History Museum of Utah, Garrett Herbarium
UT:Botany	Spirodela polyrrhiza (L.) Schleid. UT0011690L. Arnow   3821a1973-09-09 USA, Utah, Davis, Ca. 3 1/2 mi. NW of Syracuse, Utah, 2 mi. SW of West Point, east shore of Great Salt Lake., 41.09778 -112.111313, 1284m Full Record Details
UT:Botany	Spirodela polyrrhiza (L.) Schleid. UT0011688W.P. Cottam   1935-10-25 USA, Utah, Salt Lake, 33rd S 7th E, 40.699897 -111.871424, 1311m Full Record Details
UT:Botany	Spirodela polyrrhiza (L.) Schleid. UT0011687Powell   39031928-06-23 USA, Utah, Utah, Salem Pond, 40.051133 -111.675982 Full Record Details
UT:Botany	Spirodela polyrrhiza (L.) Schleid. UT0011686W.D. Stanton   1933-09-15 USA, Utah, Utah, Salem Pond, 40.051133 -111.675982, 1402m Full Record Details
UT:Botany	Spirodela polyrrhiza (L.) Schleid. UT0011694    USA, Iowa, Hamilton Full Record Details
UT:Botany	Spirodela polyrrhiza (L.) Schleid. UT0011692    USA, Montana, Flathead Full Record Details
UT:Botany	Spirodela polyrrhiza (L.) Schleid. UT0011622    India Full Record Details

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