14 September 2015.
Iowa, United States
Locality: Mossy Glen State Preserve, T91N R5W NW 1/4 SW 1/4 SW 1/4 Sec. 10 Clayton County.
Coordinates: 42.7063, -91.4263
(Map it)
Elevation: 320m.
Georeference protocol: Lat/lon determined by GPS
Environment description: North and northwest-facing slopes (45 degrees) rocky, loose soils. Deep valley of moist deciduous woods. Growing in association with Tilia americana, Quercus alba, Ostrya virginiana, Acer saccharum, Carpinus caroliniana, and Staphylea trifolia.
Number of plants sampled: 25
Collector(s):