Calflora, a 501c3 non-profit
Distribution by County   8187    
Urtica dioica  L.  ssp. holosericea  (Nutt.) Thorne
Giant creek nettle,   Hoary nettle,   Mountain nettle,   Stinging nettle
Urtica dioica ssp. holosericea is a perennial herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 45 Lassen: 15 Plumas: 10 Siskiyou: 4
Alpine: 9 Los Angeles: 100 Riverside: 30 Solano: 3
Amador: 2 Madera: 3 Sacramento: 8 Sonoma: 24
Butte: 20 Marin: 58 San Benito: 68 Stanislaus: 2
Colusa: 3 Mariposa: 2 San Bernardino: 71 Sutter: 4
Contra Costa: 31 Mendocino: 11 San Diego: 188 Tehama: 4
Del Norte: 1 Merced: 5 San Francisco: 28 Trinity: 1
El Dorado: 1 Modoc: 4 San Joaquin: 5 Tulare: 18
Fresno: 16 Mono: 38 San Luis Obispo: 62 Tuolumne: 1
Glenn: 4 Monterey: 56 San Mateo: 59 Ventura: 37
Humboldt: 4 Napa: 4 Santa Barbara: 93 Yolo: 1
Inyo: 22 Nevada: 2 Santa Clara: 24
Kern: 42 Orange: 37 Santa Cruz: 28
Lake: 8 Placer: 12 Shasta: 6

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).