06 September 2010.
Illinois, United States
Locality: Along Burton Creek, middle of Section 27, Marblehead Quad, Adams County.
Coordinates: 39.8669, -91.3122
(Map it)
Elevation: 174m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Along very steep (90%) south facing slope.
Number of plants sampled: 7
Associated species: Aesculus glabra, Carpinus caroliniana, Cornus, Juniperus virginiana, Ostrya virginiana, and Quercus rubra.
Comment: Population of >50 plants.
Collector(s):