United States, California, Butte, Cascade Range Foothills. Upper Bidwell Park, Chico; along South Rim Trail, mid-slope overlooking Big Chico Creek from the south; 0.4 km west of the powerlines. T22N R02E S16 NW1/4 USGS Quadrangle: Richardson Springs 1:24,000
39.768889 -121.768056 WGS 1984
T22N R02E S16 NW1/4; 39§ 46m 8s N; 121§ 46m 5s W
136 meters (446ft)
Large open area of annual grass-land; thin soil over Tuscan Mudflow volcanic bedrock; in mixed oak woodland (blue oak, gray pine, buckbrush, manzanita); with Avena spp., scattered dry Centaurea melitensis, Achyrachaena mollis, Bromus hordeaceus. Accidentally collected with a handful of Brachypodium distachyon (#10808), which is common but not dominant.