Summary ⁵

Asclepias quadrifolia is a species of milkweed commonly called fourleaf milkweed or whorled milkweed. The plant occurs in the eastern United States and Canada.

Fontes e Créditos

1. (c) yasingi, alguns direitos reservados (CC BY-NC)
2. (c) botany08, alguns direitos reservados (CC BY), uploaded by botany08
3. (c) behr, todos os direitos reservados, uploaded by behr
4. (c) Gina, alguns direitos reservados (CC BY-NC), uploaded by Gina
5. (c) Wikipedia, alguns direitos reservados (CC BY-SA), http://en.wikipedia.org/wiki/Asclepias_quadrifolia

Mais informações

• BioDiversity4All taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• 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)
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online

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