United States, California, Butte, On n bank of Western Canal, ca. 30 m e of Aguas Frias Rd., ca. 18.5 km s of Chico. T20N R01E S22 USGS Quadrangle: Chico 1:64,000
39.566111 -121.855556 +-201m. NAD83
T20N R01E S22; 39§ 33m 58s N; 121§ 51m 20s W
On n bank of canal. With: Brassica kaber var. pinnatifida. From a thick fleshy taproot.