Taxon  Report   4991    
Lomatium rigidum  (M. E. Jones) Jeps.
Big pine biscuitroot,  Stiff lomatium
Lomatium rigidum
© 2016 John Doyen
Photos from
CalPhotos / Calflora
Lomatium rigidum
© 2010 Steve Matson
Lomatium rigidum
© 2010 Steve Matson
Lomatium rigidum, a dicot, is a perennial herb that is native to California, is endemic (limited) to California.
California 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
Lomatium rigidum
© 2016 John Doyen
Family: APIACEAE  
Genus: Lomatium
Communities: Sagebrush Scrub, Pinyon-Juniper Woodland

Habitat: riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN: Cogswellia rigida
More information about  Lomatium rigidum
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

ITIS Original Publication citation


Search the International Plants Names Index

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 24, 2019).