Taxon  Report   13008    
Howellanthus dalesianus  (J.T.Howell) Walden & R.Patt.
Scott mountain phacelia
Howellanthus dalesianus
© 2011 Steve Matson
Photos from
CalPhotos / Calflora
Howellanthus dalesianus
© 2008 Aaron Schusteff
Howellanthus dalesianus
© 2008 Aaron Schusteff
Howellanthus dalesianus, a dicot, is a perennial herb that is native to California, is endemic (limited) to California.
also called Phacelia dalesiana
CNPS Rare Plant Rank: 4.3 (limited distribution).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Howellanthus dalesianus
© 2006 Penn Martin II
Genus: Howellanthus
Communities: Subalpine Forest, Red Fir Forest, Yellow Pine Forest


Serpentine affinity: 6.1; (strict endemic)

Habitat: meadows

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN + PLANTS: Phacelia dalesiana
More information about  Howellanthus dalesianus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Search (Flora of North America)

website references from Google

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 17, 2019).