07 August 2009.
Illinois, United States
Locality: Bartlett Woods Nature Preserve (remnant of Knox Grove), east edge of NE 1/4 of Section 24, T19N, R11E, Mendota West Quad, Mendota, Lee County.
Coordinates: 41.6222, -89.1675
(Map it)
Elevation: 259m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Big Bureau Creek watershed.
Number of plants sampled: 2
Associated species: Acer saccharum, Allium burdickii, A. tricoccum, Arisaema triphyllum, Cornus alternifolia, Fraxinus pennsylvanica, Juglans nigra, Prunus serotina, Quercus alba, Q. rubra, Staphylea trifolia, Tilia americana, and Urtica dioica.
Comment: Fairly common throughout area.
Collector(s):