12 July 2012.
Iowa, United States
Locality: Ledges State Park, NE 1/4 of NW 1/4 of Section 21, T83N, R26W, Madrid NW Quad, near Boone, Boone County.
Coordinates: 41.9938, -93.8862
(Map it)
Elevation: 328m.
Environment description: Mixed hardwood forest. Edges of bluffs. North-facing slopes.
Number of plants sampled: 3
Associated species: Carpinus caroliniana, Cornus alternifolia, Populus grandidentata, Quercus rubra, Sanguinea canadensis, and Tilia americana.
Collector(s):