Collected
21 September 2011.
Wyoming, United States
Elevation: 1346m.
Environment description: Alkaline flats, lake side, and seasonal ditch. Associated with Artemisia frigida, Bouteloua curtipendula, Chenopodium glaucum, Echinochloa muricata, Elymus elymoides, Mentha arvensis, Oenothera biennis, Schoenoplectus acutus, Seriphidium canuum, and S. triparttitum.
Number of plants sampled: 200
Comment: Collected by: Denise Wilson