Calflora, a 501c3 non-profit
Distribution by County   13008    
Howellanthus dalesianus  (J.T.Howell) Walden & R.Patt.
Scott mountain phacelia
Howellanthus dalesianus is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.3 (limited distribution)
Record Count by County

Shasta: 8 Siskiyou: 43 Trinity: 44

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 06/06/2026).