Collected
28 August 2006.
Oregon, United States
Elevation: 91m.
Environment description: In ditch along access road, by wet prairie. No slope. Perched water on clays in winter; possibly Mt. Mazama ash wetland base. Clay soil. Associated with Deschampsia cespitosa, Dichanthelium acuminatum var. fasciculatum, Equisetum arvense, Grindelia integrifolia, Gratiola ebracteata, Hordeum brachyantherum, and Mentha pulegium.
Number of plants sampled: 500
Comment: Lane County, OR. Collector: Henshel, D : BLM