11 October 2008.
Illinois, United States
Locality: Fern Clyffe State Park, SE 1/4 of NW 1/4 of Section 27, T11S, R2E, Goreville Quad, Johnson County.
Coordinates: 37.5356, -88.9739
(Map it)
Elevation: 198m.
Georeference protocol: Lat/lon determined by GPS
Number of plants sampled: 8
Associated species: Celtis tenuifolia, Juglans nigra, Juniperus virginiana, Quercus stellata, and Ulmus alata.
Comment: Majority of specimens had poor quality seeds due to presence of weevils.
Collector(s):