Confirmed by A.A. Reznicek (MICH) 2012 Det.: S.R. Hill (ILLS) 2012
Steven R. Hill
38972
2012-07-03
2012-07-03
United States, Illinois, Du Page, South side of 31st Street, just east of Highland Avenue and west of Forest Preserve interpretive center, 2.1 kilometers south-southwest of Highland Hills. Coordinate Datum: WGS84/NAD83.
41.830802 -88.009456
225 meters
739
In organic black muck with some salt influence from winter road runoff. Margin of small pond. Locally common rhizomatous perennial rush; culms terete; occasionally 'viviparous.'