Summary ⁴

Urtica dioica subsp. gracilis, the California nettle or American stinging nettle, is a herbaceous perennial plant native to most of the United States and Canada. It is either considered to be a subspecies of stinging nettle (Urtica dioica), or a species in its own right: Urtica gracilis.

Sources and Credits

1. (c) Naturalist Eve, all rights reserved, uploaded by Naturalist Eve
2. (c) zufi, some rights reserved (CC BY-NC)
3. (c) Jennifer Clevinger, some rights reserved (CC BY-NC), uploaded by Jennifer Clevinger
4. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Urtica_gracilis

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• OregonFlora.org
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online

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