Taxon  Report   4124 
Hesperolinon congestum  (A. Gray) Small
Marin dwarf flax,  Marin western flax
Hesperolinon congestum
© 1997 Doreen L. Smith
Click on a photo to see it bigger.
Hesperolinon congestum
© 2015 Robert Sikora
Hesperolinon congestum
© 2009 Neal Kramer
Hesperolinon congestum, a dicot, is an annual herb that is native to California and is endemic (limited) to California.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 1B.1 (rare, threatened, or endangered in CA and elsewhere).   7th Edition  /  8th Edition

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

Interactive Distribution Map

Observation Hotline
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point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Hesperolinon congestum
© 2009 Neal Kramer
Family: LINACEAE  
Genus: Hesperolinon
Chaparral, Valley Grassland
AFFINITY to serpentine soil:   6.1 (strict endemic)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Hesperolinon congestum

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Linum californicum var. congestum
PLANTS: Linum congestum
More information about  Hesperolinon congestum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 21, 2016).

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