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Bull Thistle
Cirsium vulgare
37.83, -122.52
Field Notes
Description:
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.
Wikipedia
Habitat:
In grass along hiking trail in the Marin Headlands, CA.
Species ID Suggestions
Spotted for Missions
Photographed
PublishedMarch 17, 2012
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