United States, Illinois, Mason, About 5.5 mile east northeast of Bath. Illinois River Section of the Upper Mississippi River and Illinois River Bottomlands Areas Natural Division. Coordinate Datum: WGS84/NAD83.
40.21652 -90.04774
T. 20N, R. 8W, NE1/4 NW1/4 NW1/4 Sect. 6
Forbland in crop field that was too wet to farm this year. Growing with Fimbristylis autumnalis, Scirpus micranthus, etc.