United States, California, Colusa, Sacramento Valley. Extreme west edge of Sacramento Valley; ca 5 air mi NW of Maxwell, 0.8 mi southeast of Funks Reservoir and 0.3 mi northeast of Tehama-Colusa Canal. Towards north end of vernally moist swale which extends northeast of large +- saline/alkaline wetland/marsh, in drying vernapool bottom. T17N R04W S23 NE1/4 of NW1/4 USGS Quadrangle: Sites 1:24,000
39.318611 -122.276667 NAD 1983
T17N R04W S23 NE1/4 of NW1/4; 39§ 19m 7s N; 122§ 16m 36s W
49 meters
161ft.
In drying vernal pool bottom with Lasthenia fremontii, Plagiobothrys stipitatus var. micranthus, Eryngium vaseyi var. vallicola, Deschampsia danthonoides, and Psilocarphus oregonus. In early flower.
Label says California Department of Water Resources Offstream Storage Investigation: Sites - Holthouse Res. site VOUCHER NO. 11-039.