24 September 2011.
North Dakota, United States
Locality: Along Forest Service Road 842, SW 1/4 of Section 2, T147N, R99W, Long X Divide Quad, Badlands, Little Missouri National Grasslands, McKenzie County.
Coordinates: 47.5773, -103.2676
(Map it)
Elevation: 674m.
Environment description: Clay substrate.
Number of plants sampled: 8
Associated species: Acer negundo, Prunus americana, P. virginiana, and Shepherdia argentea. Also Juniperus sp., Populus deltoides, Symphoricarpos sp., Rosa sp., Crataegus sp., Ribes sp., Rhus trilobata, Artemesia cana., Euphorbia esula, Arctium majus, Mentha arvensis, and Opuntia polycantha.
Comment: Latitude/longitude near center of population.
Collector(s):