United States, California, Siskiyou, Cascade Mountains. Just north of Mt. Shasta City along old highway west of I-5.
41.365 -122.3689167
1158 meters
3798ft.
Vacant lot, appearing to have been recently plowed in region of Jeffrey pine forest.
Annual to bi-annual with simple flower stem; flowers white. Locally abundant. Samples of root (rt) and aerial parts (st-lf-fl-fr).
herbarium sheet
Voucher for 484 g of dried rt (WBA-5559-12; 0X01-1326F) and 895 g of st-lf-fl-fr (WBA-5559-22; 0X01-1327G) collected for the National Cancer Institute; World Botanical Associates, Bakersfield, CA 93380-1145.