United States, California, Solano, STEBBINS COLD CANYON RESERVE. South of CA 128 just east of Monticello Dam on Lake Berryessa, 7 mi. W of Winters. East-facing slope on west side of Cold Canyon, along trail climbing from BLM fire road to ridge at top, about 250 ft. up trail. Grassland with scattered Quercus wislizeni.
38.5025 -122.099444 WGS84
T7N R2W; 38° 30m 9s N; 122° 5m 58s W
198 meters
650ft
White flowered umbel, going to fruit. Linear leaves. Plant about 5 ft. tall.