14 September 2003.
Iowa, United States
Locality: South Bear Creek Wildlife Area, Highlandville, T100N R7W, SW 1/4 of NE 1/4, Section 35, Highlandville Quad, Winneshiek County.
Coordinates: 43.4389, -91.6486
(Map it)
Elevation: 296m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Partial sun. 20% slope with a western aspect. Organic soil over limestone with some stoniness. Associated with Acer nigrum, Ulmus, Quercus ellipsoidalis, and Xanthoxylum.
Number of plants sampled: 6
Comment: Occasional population abundance with irregular distribution. ~20 plants found.
Collector(s):