Proserpinaca palustris L.

PLANTS OF ILLINOIS, USA
Proserpinaca palustris L.
var. crebra Fern. & Griscom Haloragaceae
Det.: S.R.Hill, (ILLS) 2007
WILL COUNTY 41.39896° N.Lat., 088.18318° W.
Long. T.34 N., R. 9 E., SW/4, NE/4, SE/4, NW/4 sect. 27.
Channahon. Exxon-Mobil Oil Refinery, ‘Back 40’ Area
south of Drummond Road and dug-out marsh. East of
Interstate Route 55 frontage road, west of BNSF railroad.
Channahon 7.5’ quad. Much of area once cleared and
scraped. Coordinate datum WGS 84 / NAD 83. Elev.
164.6 m (540 ft).
Wet dolomite prairie, with Juncus, Dichanthelium,
Cyperus. Locally common amphibious herb, erect, pale
green; lower stems tinted brick red.
Steven R. Hill 37492
28 June 2007
04220945