21 October 2003.
Iowa, United States
Locality: Chichaqua Wildlife Habitat Park bottoms, Elkhart, NW corner of SE 1/4 of SE 1/4 of Section 29, T81N, R22W, Loring Quad, Polk County.
Coordinates: 41.7947, -93.4297
(Map it)
Elevation: 250m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Alluvial soil. Understory of green ash, Cornus drummondii, Rubus occidentalis, and Smilax.
Comment: Abundant population. Many plants found.
Collector(s):