09 September 2010.
Oregon, United States
Locality: South side of Route 205 at junction with Route 5, about 100 meters east of Route 5, south of Rivergrove, Washington County.
Coordinates: 45.3722, -122.7043
(Map it)
Elevation: 35m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Roadside.
Number of plants sampled: 20
Collector(s):