26 October 2011.
North Dakota, United States
Locality: North side of Devil's Lake, Gilbert C. Grafton State Military Reservation, Sections 20, 28, and 29, T153N, R64W, Camp Grafton Quad, Ramsey County.
Coordinates: 48.0536, -98.9079
(Map it)
Elevation: 450m.
Number of plants sampled: 7
Associated species: Acer negundo, Amelanchier, Crataegus, Prunus americana, P. virginiana, Quercus macrocarpa, and Ulmus americana.
Comment: Latitude/longitude represents the center of the population.
Collector(s):