Taxon  Report   3015 
Epilobium rigidum  Hausskn.
Siskiyou mtns. willowherb,  Stiff willowherb
Epilobium rigidum
© 2003 Norman Jensen
CalPhotos: click on a
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Epilobium rigidum
© 2003 Norman Jensen
Epilobium rigidum
© 2007 Norman Jensen
Epilobium rigidum, 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 4.3 (limited distribution).   7th Edition  /  8th Edition

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point, line, or polygon

one or more occurrences
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Plant Characteristics
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Bloom Period
Epilobium rigidum
© 2005 Jennifer L. Kalt
Family: ONAGRACEAE  
Genus: Epilobium
Community:
Yellow Pine Forest
AFFINITY to serpentine soil:   5.1 (broad endemic)   [Safford et al 2005]
Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Epilobium rigidum var. canescens
More information about  Epilobium rigidum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)

USDA PLANTS Profile (EPRI)

Search the International Plants Names Index

Search efloras.org (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: http://www.calflora.org/   (Accessed: May 30, 2016).

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