Calflora
Taxon  Report   8187    
Urtica dioica  L.  ssp. holosericea  (Nutt.) Thorne
Giant creek nettle,  Hoary nettle, Mountain nettle, Stinging nettle
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.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial

Bloom Period
Family: URTICACEAE  
Genus: Urtica
Parent: Urtica dioica

Toxicity: DERMATITIS

Wetlands: Equally likely to occur in wetlands and non wetlands

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Foothill Woodland, Chaparral, Valley Grassland, (many plant communities), wetland-riparian

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
JEF + PLANTS: Urtica holosericea
PLANTS: Urtica breweri
PLANTS: Urtica dioica var. holosericea
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More information about  Urtica dioica ssp. holosericea

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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Sep 28, 2020).