ILLS
R.A. Evers 62262 1959-09-17
United States, Illinois, Calhoun, In the Illinois River, at Mitchell Landing, east of Brussels.
ILLS
U. Rowlatt 19
United States, Illinois, Carroll, North side of Thomson causeway.
ILLS
Paul Shildneck C-8267 1977-08-06
United States, Illinois, Cass, Southeast of Bluff Spring.
ILLS
D.J. O'Donnell s.n. 1934-08-23
United States, Illinois, Champaign, On Salt Fork, near University woods, Urbana.
ILLS
Loy R. Phillippe & Susan Post 19495 1991-09-05
United States, Illinois, Cook, Wolf Lake.
ILLS
R.A. Evers 70062 1961-08-03
United States, Illinois, Hancock, Mississippi River, Nauvoo State Park.
ILLS
Raymond J. Dobbs s.n. 1947-09-04
United States, Illinois, Henry, Illinois-Mississippi canal, about 5 miles east of Geneseo.
ILLS
Michael C. Reese 1737 1980-09-08
United States, Illinois, Jersey, Mississippi River Mile 210.1, south side of Eagles Nest Island.
ILLS
U. Rowlatt 24 1974-08-24
United States, Illinois, Jo Daviess, Mississippi River, just south of Blanding Public Access Area.
ILLS
Loy R. Phillippe & Susan Post 19486 1991-09-04
United States, Illinois, Lake, Silver Lake, 1 mile east-southeast of Antioch., 42.472635 -88.074703
ILLS
Loy R. Phillippe & Susan Post 19480 1991-09-04
United States, Illinois, Lake, Loon Lake, in town of Loon Lake.
ILLS
Loy R. Phillippe & Susan Post 19329 1991-08-01
United States, Illinois, Lake, Gray Lake, west part of town of Grayslake.
ILLS
Loy R. Phillippe, Susan Post, LInda Curtis & Mr. Curtis 19308 1991-07-31
United States, Illinois, Lake, Cedar Lake, northwest part of Lake Villa. [This is in R. 10E].
ILLS
R.A. Evers 8348 1947-09-20
United States, Illinois, Lake, In Cedar Lake, Lake Villa.
ILLS
D.H. Thompson & L.R. Tehon s.n. 1928-08-24
United States, Illinois, Lake, Unknown.
ILLS
R.E. Richardson s.n. 1916-07-17
United States, Illinois, McHenry, In the Fox River, above the dam.
ILLS
R.E. Richardson s.n. 1916-08-22
United States, Illinois, Mason, Sand Lake, Long Lake.
ILLS
R.E. Richardson s.n. 1916-08-22
United States, Illinois, Mason, Sand Lake, Long Lake.
ILLS
1939-08-29
United States, Illinois, Tazewell, Upper Peoria Lake.
ILLS
Frank Bellrose s.n. 1938-09-04
United States, Illinois, Tazewell, Spring Lake., 40.473759 -89.852917
ILLS
1939-08-29
United States, Illinois, Tazewell, Lower Peoria Lake.
ILLS
John E. Ebinger 10913 1971-09-18
United States, Illinois, Vermilion, Kickapoo State Park.
ILLS
U. Rowlatt 5 1974-08-24
United States, Illinois, Whiteside, Mississippi River backwater, northeast Lock & Dam 13.
ILLS
D.H.T. & L.R.T. (D.H. Thompson & L.R. Tehon) s.n. 1926-09-06
United States, Illinois, Winnebago, Northwest bridge, Rock River, Rockton.
ILLS
Virginius H. Chase 15838 1959-07-18
United States, Illinois, Tazewell, In Spring Lake., 40.473759 -89.852917
ILLS
Steven R. Hill 34905 2002-08-09
United States, Illinois, Lake, Northwestern portion of Cedar Lake; about 1 mile northwest of Lake Villa, between Illinois Routes 83 and 132. Antioch 7.5 minute quadrangle. Elevation 791 feet.
ILLS
R.L. Hartman 1337 1967-08-03
United States, Illinois, Hancock, 2 miles south of Nauvoo.
ILLS
Steven R. Hill 36684 2005-09-01
United States, Illinois, Kendall, West side of Big Rock Creek, east of Rock Creek Road and pastures, at the creek; north of Hennig Road, Plano. Coordinate Datum: WGS84/NAD83, 41.702806 -88.507139
ILLS
Steven R. Hill 38769 2011-09-21
United States, Illinois, McHenry, South margin of Nippersink Creek, south of US Route 12, dairy farm, Solan Mills, south-southeast of Richmond. Coordinate Datum: WGS84/NAD83., 42.43715 -88.28419, 235m
ILLS
Steven R. Hill 38759 2011-09-15
United States, Illinois, Lake, North side of Illinois [Route] 173 bridge over Des Plaines River, vicinity of Van Patten Woods, Rosecrans. Coordinate Datum: WGS84/NAD83., 42.46568 -87.94272, 204m
ILLS
Steven R. Hill 38702 2011-06-30
United States, Illinois, McHenry, West of South Solon Road, south of West Solon Road, 4.6 kilometers south-southeast of Richmond, at shoals of Nippersink Creek. Dairy farm area. Coordinate Datum: WGS84/NAD83., 42.43769 -88.2847, 235m
ILLS
Michael J. C. Murphy 5126 2012-08-07
United States, Illinois, Will, Two miles west of Wilmington, IL; 0.36 mile east of Interstate-55, 0.47 mile north of Widows Road, along south shoreline of Kankakee River. (WGS84/NAD83), 41.32583 -88.18367
ILLS
Loy R. Phillippe, Randy Nyboer, & Ed Anderson 28259.1 1996-09-10
United States, Illinois, Jo Daviess, Savanna Army Depot. Near Island in east edge of Mississippi River in shallow water above lock and dam number 12.
ILLS
Michael J. C. Murphy 6024 2018-08-22
United States, Illinois, Will, Approximately 960 feet south of McDonough Street and 175 feet east of Rock Run Drive. Small tributary to Rock Run Creek., 41.51177 -88.18327
ILLS
Loy R. Phillippe and Paul B. Marcum, 43202.1 2012-07-12
United States, Nebraska, Clay, Eckhardt Lagoon National Wildlife Management Area. 7.4 mile NxNE of Edgar, Nebraska. Rainwater Basin. Coordinate Datum: WGS84/NAD83., 40.46558 -97.90108, 525m
ILLS
Paul Shildneck C-8217 1977-07-14
United States, Illinois, Cass, By west shoulder of county road, 1.7 miles south of Rou;te 125 at Bluff Spring.
ILLS
J.O. Neill 839 1947-06-07
United States, Illinois, Saint Clair, Vicinity of East St. Louis.
ILLS
Mark A. Basinger & Mark O'Leary 5243 1993-05-29
United States, Illinois, Alexander, Farmed wetland after a nice swampy area at Horseshoe Lake Conservation Area.
ILLS
Mark A. Basinger 2803 1992-05-29
United States, Illinois, Johnson, Margin of a bottomland swamp and railroad tracks at the baldcypress-water tupelo swamp below Wildcat Bluff.
ILLS
Steven R. Hill, C.N. Horn, G. Yatskievych 26184 1994-09-29
United States, Missouri, Butler, Missouri Route 142, just west of junction with County Route 341, 3 miles east of Neeleyville.
ILLS
Steven R. Hill, C.N. Horn, G. Yatskievych 26177 1994-09-29
United States, Missouri, New Madrid, K-Mart parking lot at Business Route 60/62, about 0.5 mile east of US Route 60.
ILLS
S.R. Hill 30768 1998-09-02
United States, Illinois, Cass, West side U.S. Rt. 67, 12.8 miles north of Morgan County line, Hobrock farm; Arenzville W. quad.
ILLS
Steven R. Hill; Jason A. Koontz 33868 2001-06-13
United States, Illinois, Union, Illinois Route 3 (FAP 312), Reynoldsville (north), west side, between highway and agricultural land, 0.55 mile north of Reynoldsville Road, 5 miles south of junction Illinois Route 146 (Ware). Mississippi River floodplain. Ware 7.5 minute U.S.G.S. quadrangle. Elevation about 340 feet.
ILLS
Steven R. Hill; Jason A. Koontz 33877 2001-06-13
United States, Illinois, Union, Illinois Route 3 (FAP 312), Ware (south), west side, between highway and agricultural land, 0.35 mile north of Refuge Drive, 2.3 miles south of junction Illinois Route 146 (Ware). South side of bridge over Running Lake Ditch in vicinity of drainage culvert at pavement marker 222. Mississippi River floodplain. Ware 7.5 minute U.S.G.S. quadrangle. Elevation about 340 feet.
ILLS
Steven R. Hill; Jason A. Koontz 34223 2001-08-28
United States, Illinois, Alexander, Illinois Route 3 (FAP 312), McClure, west side, 1.6 miles north of East Cape Girardeau Road (Illinois Route 146), vicinity of pavement marker 0235+00. McClure 7.5 minute U.S.G.S. quadrangle. Elevation about 340 feet.
ILLS
Steven R. Hill; Jason A. Koontz 34267 2001-08-29
United States, Illinois, Union, Illinois Route 3 (FAP 312), Ware (south), west side, 0.35 mile north of Refuge Drive, 2.3 miles south of junction Illinois Route 146 (Ware). South side of bridge over Running Lake Ditch in vicinity of drainage culvert at pavement marker 222. Mississippi River floodplain. Ware 7.5 minute U.S.G.S. quadrangle. Elevation about 340 feet.
ILLS
R.D. Henry 2111 1967-09-04
United States, Illinois, Adams, Fairground ponds, Mendon.
ILLS
Rollo T. Rexroat 5029 1958-07-13
United States, Illinois, Mason, West of Saidora.
ILLS
Michael J. C. Murphy 3934 2010-06-23
United States, Illinois, Fayette, Southwest edge of Vandalia, IL; 150 feet east of County Route 700 east, and 1300 feet northwest of Cypress Street. Coordinate Datum WGS84/NAD83, 38.94287 -89.12178
ILLS
Loy R. Phillippe and Paul B. Marcum, 43202.2 2012-07-12
United States, Nebraska, Clay, Eckhardt Lagoon National Wildlife Management Area. 7.4 mile NxNE of Edgar, Nebraska. Rainwater Basin. Coordinate Datum: WGS84/NAD83., 40.46558 -97.90108, 525m
ILLS
Loy R. Phillippe & John E. Ebinger 43409 2013-07-18
United States, Illinois, Mason, About 1 mile east, 0.5 mile north. and -0.75 mile east Snicarte, Illinois. North side of 500N. Illinois River Section of the Upper Mississippi River and Illinois River Bottomlands Natural Division. Coordinate Datum: WGS84/NAD83., 40.1345 -90.18544, 137m
ILLS
Loy R. Phillippe 23354 1993-10-14
United States, Illinois, Mason, Northeast of Negro Lake and south of junction of 1600N & 1800E along 1800E in sand pond surrounded by Zea mays. Illinois River Section of the Upper Mississippi River and Illinois River Sand Areas Natural Division. Coordinate Datum: WGS84/NAD83., 40.2853 -90.01838
ILLS
Steven R. Hill with C.N. Horn 27112 1995-08-12
Guyana, South America, Region IV. Demerara-Mahaica District: D'Urban Park, Home Stretch Road near Vlissengen Road, Georgetown. Elevation 0 to 5 meter.
ILLS
ILLS00068103 E. Hedborn s.n. 2000-09-08
United States, Illinois, Du Page, About 0.4 to 0.5 mile east of Illinois Route 53 near the Creekside Park bike path bridge over Prentice Creek, Woodridge.
ILLS
ILLS00068104 A.L. Kibbe s.n. 1930-08-14
United States, Florida, [Duval], Near Jacksonville.
ILLS
ILLS00068101 Steven R. Hill 37655 2007-09-15
United States, Illinois, Champaign, Champaign; 1411 Winding Lane; private residence. Coordinate Datum: WGS84/NAD83., 40.129722 -88.248611
ILLS
ILLS00068102 Eric F. Ulaszek 1507 1990-09-01
United States, Illinois, Champaign, Urbana.
ILLS
ILLS00068105 J.L. Crane & J.D. Schoknecht s.n. 1980-05-25
United States, Florida, Glades, At junction of Florida Routes 29 and 27, Palmdale.
ILLS
ILLS00068106 Betty & Roy Nelson & LaVerne Sumner 214 1996-03-03
United States, Florida, Palm Beach, Lake Osborne Drive between 6th. avenue bridge and Lantana Road, John Prince Park, 2520 Lake Worth Road, Lake Worth. UTM Zone 17, 591571mE, 2941742mN. (NAD83/WGS84), 26.595 -80.0803
ILLS
ILLS00068107 Mark A. Basinger 634 1991-06-15
United States, North Carolina, Cabarrus, Small pond off of Sisk-Carter Road. This population has been eradicated because of the plants nuisance potential.
ILLS
P. Tazik 18 DPR/PPT 1985-08-02
United States, Illinois, Will, Des Plaines River, mile 285.5.
ILLS
P. Tazik 1 DPR/PPT 1985-07-15
United States, Illinois, Will, Des Plaines River, mile 276.0.
ILLS
P. Tazik & C.A. Mayer 5 UMRS/PPT 1986-08-27
United States, Illinois, Hancock, Mississippi River, Pool 19; N of Hamilton
ILLS
R.A. Evers 76591 1963-06-13
United States, Illinois, Alexander, In Horseshoe Lake, south of Olive Branch.
ILLS
R.A. Evers 88706 1966-09-13
United States, Illinois, Alexander, Horseshoe Lake, south of Olive Branch.
ILLS
R.A. Evers 70331 1961-08-09
United States, Illinois, Alexander, Horseshoe Lake, southeast of Olive Branch.
ILLS
R.A. Evers 30452 1951-06-20
United States, Illinois, Alexander, In Horseshoe Lake, southeast of Olive Branch.
ILLS
Kenneth R. Robertson, Bouseman, Schwegman & Shildneck 4531 1987-09-01
United States, Illinois, Cass, 6.5 miles southwest of Beardstown, on east side of U.S. 67 and Illinois 100.
ILLS
D.H. Thompson 882-c 1927-08-27
United States, Illinois, Cook, Flynn Creek, at the Chicago & North Western Railroad bridge.
ILLS
D.H. Thompson 882-c 1927-08-27
United States, Illinois, Cook, Flynn Creek, at the Chicago & North Western Railroad bridge.
ILLS
H.D. Harrington H-99 1943-08-20
United States, Illinois, Cook, 115th Street and Cicero Avenue, southwest of Chicago.
ILLS
Virginius H. Chase 18212 1964-09-27
United States, Illinois, Fulton, Rice Lake., 40.471004 -89.94098
ILLS
Kenneth R. Robertson & John Bouseman 4293 1986-07-02
United States, Illinois, Iroquois, 3.5 miles north of Watseka, just west of railroad tracks.
ILLS
Loy R. Phillippe & Susan Post 19323 1991-08-01
United States, Illinois, Lake, Grays Lake, west part of town of Grayslake.
ILLS
H.S. Pepoon & E.G. Barrett 4966 1932-06-15
United States, Illinois, Lake, Channel Lake, Lake Marie.
ILLS
H.S. Pepoon 6087 1933-07-23
United States, Illinois, Lake, Fox Lake.
ILLS
R.E. Richardson s.n. 1916-08-24
United States, Illinois, Lake, Grass Lake., 42.442609 -88.16161
ILLS
D.H. Thompson & L.R. Tehon s.n. 1916-08-24
United States, Illinois, Lake, Grass Lake., 42.442609 -88.16161
ILLS
D.H. Thompson & L.R. Tehon s.n. 1916-08-24
United States, Illinois, Lake, Grass Lake., 42.442609 -88.16161
ILLS
D.H. Thompson & L.R. Tehon s.n. 1916-08-24
United States, Illinois, Lake, Grass Lake., 42.442609 -88.16161
ILLS
D.H. Thompson & L.R. Tehon s.n. 1928-08-24
United States, Illinois, Lake, Unknown.
ILLS
R.A. Evers 18815 1949-07-19
United States, Illinois, Lake, In Cedar Lake, Lake Villa.
ILLS
R.A. Evers 18815 1949-07-19
United States, Illinois, Lake, In Cedar Lake, Lake Villa.
ILLS
R.A. Evers 18815 1949-07-19
United States, Illinois, Lake, In Cedar Lake, Lake Villa.
ILLS
Frank Bellrose s.n. 1939-07-03
United States, Illinois, Lee, Green River Ara.
ILLS
Chas. Robertson s.n. 1884-08-30
United States, Illinois, Macoupin, Carlinville.
ILLS
Chas. Robertson s.n. 1884-07-01
United States, Illinois, Macoupin, Macoupin
ILLS
Chas. Robertson s.n. 1884-07-01
United States, Illinois, Macoupin, Macoupin
ILLS
Chas. Robertson s.n. 1884-07-01
United States, Illinois, Macoupin, Macoupin.
ILLS
1939-08-28
United States, Illinois, Mason, In Crane Lake.
ILLS
J.O. Neill s.n. 1953-07-08
United States, Illinois, Monroe, South of Fults.
ILLS
R.A. Evers 102785 1970-06-24
United States, Illinois, Monroe, Southeast of Fults.
ILLS
R.A. Evers 39034 1953-07-08
United States, Illinois, Monroe, South of Fults.
ILLS
R.A. Evers 39034 1953-07-08
United States, Illinois, Monroe, South of Fults.
ILLS
R.A. Evers 113498 1974-08-06
United States, Illinois, Union, Wolf Lake, north of Wolf Lake (village).
ILLS
H.C. Skeels 461 1904-08-22
United States, Illinois, Will, Joliet.
ILLS
R.A. Evers & Clara V. Evers 115901 1978-07-06
United States, Connecticut, New London, KOA Campground, north of Mystic.
ILLS
D. Windler, B. Kuser & R. Stastny 4106 1972-08-12
United States, Delaware, New Castle, Along Duck Creek, nera Smyrna., 39.312043 -75.577112
ILLS
Chas. Robertson s.n. 1887-02-19
United States, Florida, Orlando.
ILLS
Rev. R. Brinker 142 1941-06-27
United States, Florida, Unknown, Escambia Bay.