07 August 2009.
Illinois, United States
Locality: Bartlett Woods Nature Preserve (remnant of Knox Grove), NE 1/4 of SE 1/4 of Section 24, T19N, R11E, Mendota West Quad, Mendota, Lee County.
Coordinates: 41.6200, -89.1714
(Map it)
Elevation: 259m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Big Bureau Creek watershed. Associated with Acer saccharum, Allium tricoccum, Arisaema triphyllum, Cornus alternifolia, Fraxinus pennsylvanica, F. quadrangulata, Juglans nigra, Prunus serotina, Quercus alba, Q. rubra, Staphylea trifolia, Tilia americana, and Urtica dioica.
Number of plants sampled: 50
Comment: Poor year for seed production.
Collector(s):