Calflora
Taxon  Report   8187    
Urtica dioica  L.  ssp. holosericea  (Nutt.) Thorne
Giant creek nettle,  Hoary nettle, Mountain nettle, Stinging nettle
Urtica dioica ssp. holosericea
© 2013 Neal Kramer
Photos from
CalPhotos / Calflora
Urtica dioica ssp. holosericea
© 2004 George W. Hartwell
Urtica dioica ssp. holosericea
© 2007 Neal Kramer
Urtica dioica ssp. holosericea, 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
Urtica dioica ssp. holosericea
© 2018 Ron Vanderhoff
Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Foothill Woodland, Chaparral, Valley Grassland, (many plant communities), wetland-riparian

Toxicity: DERMATITIS

Wetlands: Equally likely to occur in wetlands and non wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Urtica breweri
PLANTS: Urtica dioica var. holosericea
PLANTS: Urtica dioica var. occidentalis
. . .
More information about  Urtica dioica ssp. holosericea
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
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 (URDIH)

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 18, 2018).

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