Collected
12 May 2005.
Oregon, United States
Elevation: 35m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Tan soil.
Number of plants sampled: 500
Comment: Collected by Bureau of Land Management, USA. Disturbed & overgrowm soccer field. Associated with Plantago lanceolata, Medicago sp., Bella perennis, commercial/cultivated grass sp.