Collected
20 May 2004.
Oregon, United States
Elevation: 115m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Medium brown soil. Bottomland (winter flooding).
Number of plants sampled: 52
Comment: Collected by Bureau of Land Management, USA. Wetland prairie. Associated with Plagiobothrys figuratus, Downingia elegans, Camassia quamash, Potentilla gracilis, Rumex acetosella, Vicia sp., Geranium sp., Galium sp.