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Picture of Bull thistle
Bull thistle
Cirsium vulgare (Savi) Tenore


Plant Description:

  • Introduced plant, seen on disturbed sites and along field edges
  • Tough, wooly, much-branched, leafy plant growing up to 150 cm tall
  • Green, dissected, prickly, hairy leaves
  • Many purple flowers surrounded by spine-tipped bracts
  • Found at Stop 7


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-Sourced from Budd's Flora of the Canadian Prairie Provinces, 1979 and
Plants of the Western Boreal Forest & Aspen Parkland, 1995.
Refer to references for full publication details.

Page last updated on 2004-10-07
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