Lomatium utriculatum

Common lomatium, in edge of field, surrounded by alien grasses and dicot weeds, Source: eastern San Luis Obispo County, California, March 8, 1997. perennial, slender taproot, fls. yellow, clay-loam soil, south slope, no trees, full sun, with Bromus sp., Dichelostemma sp., Erodium sp. 1,000 ft. elev. This perennial will grow in heavier soils, in oak woodland/chaparral areas with no disturbance, if you can keep the weeds controlled. Cattle encourage these plants by inhibiting (eating) their competitors!