Summary ²

Cirsium discolor, the field thistle, is a North American species of plants in the thistle tribe within the sunflower family. It is widespread and abundant across much of eastern and central Canada as well as eastern and central United States. It has been found from New Brunswick west to Saskatchewan and south as far as Texas and Georgia.

Fontes e Créditos

1. (c) Frank Mayfield, alguns direitos reservados (CC BY-SA), http://www.flickr.com/photos/33397993@N05/3254496224
2. (c) Wikipedia, alguns direitos reservados (CC BY-SA), http://en.wikipedia.org/wiki/Cirsium_discolor

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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