Collected
22 July 2002.
Oregon, United States
Elevation: 1249m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Ephemeral riparian area. Associated with Myosurus minimus, Verbena bracteata.
Number of plants sampled: 500
Comment: Collectors: Knox, V. : Bureau of Land Management, USA. Slope: 0-5% N, Soil: Silt ,Area sampled: 1000-5000 sq.m.