Collected
18 June 2002.
Oregon, United States
Elevation: 100m.
Georeference protocol: Lat/Lon determined via Map location
Environment description: Low areas of wet prairie, just above vernal pools. Associated with Epilobium ciliatum, Deschampsia cespitosa, Juncus tenuis & Parentucellia viscosa.
Number of plants sampled: 400
Comment: Collectors: Haberman, R. : City of Eugene, Oregon, USA. Slope: 0% , Soil: Clay ,Area sampled: >10,000 sq.m.