Det.: D.S. Katz-Downie 2015 as Polygonum aviculare L. subsp. depressum (Meisn.) Arcang. Det.: L.R. Phillippe 2000 as Polygonum arenastrum Boreau
Loy R. Phillippe & J.E. Ebinger
32657
2000-09-19
19 September 2000
United States, Illinois, Lee, Green River State Conservation Area. Green River Lowland Section of the Grand Prairie Natural Division. Coordinate Datum: WGS84/NAD83. West edge of Conservation Area along Atkinson Road where it joins sand road along narrow sand ridge.
41.64028 -89.53551
T. 19N, R. 8E, S part SW1/4 NW1/4 NW1/4 Sect. 13
Growing on disturbed sand ridge along sand road. Mat forming perennial herb.