Summary ²

Cirsium vulgare (Spear Thistle) is a species of the genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains). It is also naturalised in North America and Australia and is as an invasive weed in some areas.

Sources and Credits

1. (c) Sciadopitys, some rights reserved (CC BY-SA), http://commons.wikimedia.org/wiki/File:Cirsium_vulgare_Harthope.jpg
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Cirsium_vulgare

More Info

• iNat taxon page
• African Plants - a photo guide
• Atlas of Living Australia
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• BOLD Systems BIN search
• Calflora
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• Catalogo de Plantas y Líquenes de Colombia
• eFloras.org
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• Global Biodiversity Information Facility (GBIF)
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• New Zealand Plant Conservation Network
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• USDA PLANTS database
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• World Flora Online
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