21 October 2003.
Iowa, United States
Locality: Chichaqua Wildlife Habitat Park bottoms, Elkhart, T81N R22W, NW 1/4 of NW 1/4, Section 32, Loring Quad, Polk County.
Coordinates: 41.7900, -93.4397
(Map it)
Elevation: 247m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Edge of oxbow ponds. Sunny. Flat. Alluvial soil. Associated with reed canary grass, Anemone canadensis, Quercus bicolor, Cornus drummondii, and Amorpha fruticosa.
Number of plants sampled: 50
Comment: Abundant population. >50 plants found.
Collector(s):
21 November 2014.
Iowa, United States
Comment: Recollected.