United States, Illinois, Kendall, South side of Fox River, north of Sundown Lane, west end of town / county forest reserve [Oswego Park District land] east of residential area, Oswego, east of Yorkville. Elevation 182 meters. Coordinate Datum: WGS84/NAD83
41.668389 -88.40125
Drying ponds, muck, marsh and pond in excavated areas with Leersia oryzoides, Boehmeria cylindrica. Flowers white; locally common herb, creeping on muck.