2000.
Illinois, United States
Locality: Kaskaskia Island, Mississippi River between Illinois and Missouri.
Coordinates: 37.9500, -89.9333
(Map it)
Environment description: Weed in soybean field.
Comment: Collection site found based on a previous collection made by Deena Decker-Walters (Ames 26875), although slightly different location. Lat/lon are estimates.
Collector(s):