Collected
30 July 2003.
Oregon, United States
Elevation: 1389m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Growing in rocky washes on exposed hillslope in an open forest. Associated with Juniperus occidentalis, Pinus ponderosa, Artemisia rigida, Balsamorhiza serrata, Pseudoroegneria spicata and Bromus tectorum.
Number of plants sampled: 100
Comment: Collectors: Salisbury, N. : Bureau of Land Management, USA. Slope: 5-15% N, Soil: Silt ,Area sampled: 1000-5000 sq.m.