25 October 2013.
Boone County, Iowa, United States
Locality: Ledges State Park mostly from specimens adjacent to Peas Creek, NE ¼ of SE ¼ of Sec. 16, T83N R26W, Des Moines Quad.
Coordinates: 41.9991, -93.8788
(Map it)
Elevation: 328m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: North and northwest-facing slopes.
Number of plants sampled: 100
Associated species: Berberis japonica, Carya ovata, Fraxinus nigra, Ostrya virginiana, Quercus alba, Ulmus thomasii, and Quercus rubra.
Comment: Sampled >100 specimens. Fairly good seed quality at time of collection (14/20 seeds good).
Collector(s):