15 September 2003.
Iowa, United States
Locality: Brush Creek Canyon State Preserve, Arlington, T92N R7W, SW corner of NE 1/4 of SE 1/4, Section 17, Wadena Quad, Fayette County.
Coordinates: 42.7792, -91.6903
(Map it)
Elevation: 335m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Limestone outcrop. Mostly sunny. Flat slope. Completely stony, well drained through cracks. Associated with Quercus alba, Q. rubra, Taxus canadensis, Anemone cylindrica, Potentilla arguta, and Carya ovata.
Number of plants sampled: 1
Comment: Occasional population abundance with irregular distribution. 4 or 5 plants found.
Collector(s):