Collected
30 July 2004.
Oregon, United States
Elevation: 111m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Medium brown soil.
Number of plants sampled: 50
Comment: Collected by Bureau of Land Management, USA. Wetland praire with seasonal flooding. Associated with Eryngium petiolatum, Grindelia integrifolia, Beckmannia syzigachne, Gnaphalium palustre, Juncus acuminatus, Mentha pulegium.