13 October 2008.
Illinois, United States
Locality: Along 100N Road, near north fork of Kaskaskia River, NE 1/4 of NW 1/4 of Section 35, T4N, R1W, Wildcat Lake Quad, Fayette County.
Coordinates: 38.7525, -89.1675
(Map it)
Elevation: 140m.
Georeference protocol: Lat/lon determined by GPS
Number of plants sampled: 11
Associated species: Acer negundo, A. saccharinum, Campsis radicans, Cary cordiformis, Celtis occidentalis, Cephalanthus occidentalis, Gleditsia triacanthos, Ipomoea pandurata, Juglans nigra, Quercus bicolor, Toxicodendron radicans, Ulmus rubra.
Comment: Numerous trees had poor quality seeds due to the presence of weevils.
Collector(s):