24 September 2003.
Iowa, United States
Locality: Starr's Cave, Burlington, T70N R2W, NW 1/4 of NW 1/4, Section 19, West Burlington Quad, Des Moines County.
Coordinates: 40.8517, -91.1383
(Map it)
Elevation: 183m.
Georeference protocol: Lat/Lon determined via Map location
Environment description: Oak forest near edge of bluff. Mostly shady. Flat to 20% slope with a generally SW aspect. Organic and limestone soil with some stoniness. Assoc with Ostrya, Juniperus virginiana, Quercus rubra, Q. macrocarpa, and Celastrus orbiculatus.
Number of plants sampled: 6
Comment: Occasional population abundance with irregular distribution. 15 plants found.
Collector(s):