Taxon  Report   3018 
Epilobium siskiyouense  (Munz) P. Hoch & Raven
Siskiyou fireweed,  Siskiyou willowherb
Epilobium siskiyouense
© 2008 Norman Jensen
Click on a photo to see it bigger.
Epilobium siskiyouense
© 2008 Aaron Schusteff
Epilobium siskiyouense
© 2014 Neal Kramer
Epilobium siskiyouense, a dicot, is a perennial herb that is native to California and Oregon.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 1B.3 (rare, threatened, or endangered in CA and elsewhere).   7th Edition  /  8th Edition

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one or more occurrences
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Plant Characteristics
and Associations

Bloom Period
Epilobium siskiyouense
© 2003 Norman Jensen
Genus: Epilobium
Lodgepole Forest, Subalpine Forest, Red Fir Forest, wetland-riparian
Wetlands:Usually occurs in wetlands, but occasionally found in non wetlands [U.S. Fish & Wildlife Service.]
AFFINITY to serpentine soil:   5.5 (strict endemic)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Epilobium siskiyouense

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

TJM2 + PLANTS: Epilobium obcordatum ssp. siskiyouense
TJM2 + PLANTS: Epilobium obcordatum var. laxum
More information about  Epilobium siskiyouense
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 25, 2016).

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