ILLS:PLANT
John W. Thieret 2771 1956-09-26
United States, Illinois, Randolph, Along Route 3, just northwest of Rockwood.
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Eric F. Ulaszek 1396 1989-07-27
United States, Illinois, Saint Clair, Immediately northwet of I-255, east of Mousette Lane, Centerville, south of East St. Louis.
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J. O. Neill 9120 1958-07-18
United States, Illinois, Saint Clair, East of Washington Park, East St. Louis.
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J. O. Neill 8338 1957-08-01
United States, Illinois, Saint Clair, Vicinity of Caseyville.
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J. O. Neill 6518 1954-09-06
United States, Illinois, Saint Clair, Grand Marais State Park.
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J. O. Neill 7074 1954-08-07
United States, Illinois, Saint Clair, Vicinity of Caseyville.
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J. O. Neill 4569 1950-08-10
United States, Illinois, Saint Clair, West of Caseyville.
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J. O. Neill 3735 1949-08-07
United States, Illinois, Saint Clair, East of Washington Park.
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J. O. Neill 2679 1948-08-23
United States, Illinois, Saint Clair
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Robert A. Evers 68068 1960-09-24
United States, Kansas, Greary, 9 miles east of Junction City.
ILLS:PLANT
Paul Shildneck C-7005 1974-08-12
United States, Nebraska, Richardson, On north shoulder of Route 8, about 0.5 mile southeast of Chicago, Burlington & Quincy Railroad crossing at Salem.
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Mark A. Basinger 4606 1992-09-28
United States, Illinois, Jackson, Mowed field across from DeSoto Railroad Prairie off of US 51 north of DeSoto.
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Steven R. Hill 29777 1997-09-23
United States, Illinois, Grundy, Old Rt. 66, ca. 1 mile northeast of Dwight at Livingston County line near RR.
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Steven R. Hill 33149 2000-09-07
United States, ILLINOIS, La Salle, Starved Rock State Park, South Ottawa; east of Salt Wells Stream; along north side of IL Rt. 71, ca. 100 ft south of Illinois River. Elev. ca. 460 - 470 ft. Starved Rock 7.5 min. quad.
ILLS:PLANT
Charles T. Bryson 16955 1998-11-24
United States, Mississippi, Washington, Greenville, 2 mile south of junction of Highways US 82 and MS 1; along Highway MS 1.
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Loy R. Phillippe, David M. Ketzner, Richard L. Larimore, & John E. Ebinger 31223 1999-08-12
United States, Illinois, Pope, Along Route 13 southeast of Harrisburg near the Shawnee National Forest Office. Harrisburg 7.5 minute quadrangle.
ILLS:PLANT
Steven R. Hill; Jason A. Koontz 34225 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:PLANT
Loy R. Phillippe & John E. Ebinger 42894 2011-07-14
United States, Illinois, Saline, 1.5 mile northeast of Harrisburg at old Gun Club site. East side of Route 45 and southwest of the Middle Fork of the Saline River., 37.74878 -88.5172
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Gordon C. Tucker 15857 2012-08-03
United States, Illinois, Franklin, Zeigler: Route 149 at Union Pacific - Burlington Northern Railroad crossing., 37.89164 -89.07436, 117m
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Paul Shildneck 8071 1976-09-03
United States, Illinois, Montgomery, About 3 miles northeast of Mt. Olive, on shoulder of Route 66. EX Western Illinois University, R.M. Myers Herbarium (MWI), Accession #15320.
ILLS:PLANT
Michael J. C. Murphy 4613 2011-09-21
United States, Illinois, Cook, West side of Glenview, IL; east side of Interstate-294, approximately 700 feet southwest of U. S. Route 45 overpass. (WGS84/NAD83), 42.04751 -87.87057