Photos of Cirsium-arvense-~-Canada-thistle

Photos and Characteristics of Wetland Plant Species > This Category

Cirsium arvense ~ Canada thistle



  • FACU

  • Michigan C Value: 0

  • often found in MI wetlands despite FACU rating

  • plant does NOT produce rosettes

  • small purple head is NOT sticky/tackey

  • head is somewhat soft (can be squeezed)

  • spines on leaves are 3.5mm – 7mm long

  • less than 1m tall

  • non–native

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