Summary ²

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.

Fontes e Créditos

1. (c) hobiecat, alguns direitos reservados (CC BY-NC), uploaded by hobiecat
2. (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Urtica_gracilis

Mais informações

• BioDiversity4All 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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