18 August 2013.
Illinois, United States
Locality: Silver Springs State Park, Section 34, T37N, R6E, Plano Quad, near Plano, Kendall County.
Coordinates: 41.6320, -88.5279
(Map it)
Elevation: 186m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Mesic forest.
Number of plants sampled: 8
Associated species: Acer saccharum, Asimina triloba, Celtis occidentalis, Fraxinus americana, Gymnocladus dioicus, Juglans nigra, Quercus macrocarpa, and Q. muehlenbergii.
Collector(s):