USA, California, Contra Costa, Fairly common on open, rocky, W-facing slope near North Gate Rd., Mt. Diablo, Contra Costa CO., Calif.
930 meters
3050 ft.
Bromus diandrus, B. rubens, Avena sp(p)., Haplopappus linearifolius, and Salvia Columbariae. Several digger pines, Pinus sabina, were in the general vicinity.
Corolla bright yellow-orange. Sepals pale green, darker at tips. Herbage light green.