06 September 2010.
Illinois, United States
Locality: Along Burton Creek, Burton Creek Natural Area, SW 1/4 of NE 1/4 of Section 27, Marblehead Quad, Adams County.
Coordinates: 39.8679, -91.3095
(Map it)
Elevation: 193m.
Environment description: Along steep (80%) northeast and north-northwest facing slope
Number of plants sampled: 13
Associated species: Aesculus glabra, Carpinus caroliniana, Celtis, Cornus alternifolia, Fraxinus americana, F. quadrangulata, Ostrya virginiana, Quercus muhlenbergia, Q. rubra, Sanguinaria canadensis, Staphylea trifolia, Tilia americana, and Vitis riparia.
Comment: Population of 100-200 plants. Minimal fruit production due to shading.
Collector(s):