Collected
02 September 2005.
Oregon, United States
Elevation: 116m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Brown soil.
Number of plants sampled: 700
Comment: Collected by Bureau of Land Management, USA. Wetland prairie. Associated with Parentucellia viscosa, Cirsium vulgare, Hypericum perforatum, Epilobium minutum, Holcus lanatum, Mentha arvensis & Beckmannia syzigachne.