Calflora
Taxon  Report   2991    
Epilobium ciliatum  Raf.  ssp. watsonii  (Barbey) Hoch & P. H. Raven
Fringed willowherb,  Watson's willowherb, Willow herb
Epilobium ciliatum ssp. watsonii
© 2007 Neal Kramer
Photos from
CalPhotos / Calflora
Epilobium ciliatum ssp. watsonii
© 2013 Robert Sikora
Epilobium ciliatum ssp. watsonii
© 2015 John Doyen
Epilobium ciliatum ssp. watsonii, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Epilobium ciliatum ssp. watsonii
© 2011 Dylan Neubauer
Communities: Mixed Evergreen Forest, Freshwater Wetlands, Northern Coastal Scrub, Redwood Forest, wetland-riparian

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: freshwater-marsh

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Epilobium franciscanum
ICPN + PLANTS: Epilobium watsonii var. franciscanum
ICPN + PLANTS: Epilobium watsonii
More information about  Epilobium ciliatum ssp. watsonii
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (EPCIW)

Search the International Plants Names Index

Search efloras.org (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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Oct 19, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.