Taxon  Report   4124    
Hesperolinon congestum  (A. Gray) Small
Marin dwarf flax,  Marin western flax
Hesperolinon congestum
© 2009 Neal Kramer
Photos from
CalPhotos / Calflora
Hesperolinon congestum
© 2018 Adam Chasey
Hesperolinon congestum
© 1997 Doreen L. Smith
Hesperolinon congestum, a dicot, is an annual herb that is native to California, is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

It is listed by the State of California as Threatened and by the Federal Government as 'Threatened '.

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
Hesperolinon congestum
© 2018 David Long
Family: LINACEAE  
Genus: Hesperolinon
Communities: Chaparral, Valley Grassland

Serpentine affinity: 6.1; (strict endemic)

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Linum californicum var. congestum
ICPN + PLANTS: Linum congestum
More information about  Hesperolinon congestum
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 16, 2019).