United States, California, Butte, Ca. 0.6 mi ese of Kunkle Reservoir, on W. Branch Feather River arm of Lake Oroville, ca. 4.5 mi se of Paradise. T21N R04E S06 NE1/4 of NE1/4 USGS Quadrangle: Cherokee 1:24,000
39.711389 -121.561944 +-805m. NAD83
T21N R04E S06 NE1/4 of NE1/4; 39§ 42m 41s N; 121§ 33m 43s W
280 meters
920ft.
Mixed Chaparral & Foothill Woodland, with Mimulus glaucescens, Epilobium minutum, Eschscholzia californica, Streptanthus polygaloides. On steep s-facing serpentine slope.
Voucher specimen for "Studies in the Reproductive Biology of Mustard Species Occurring in Butte County, California"--R.E. Preston; Summer, 1983.