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Illustrated is a spiny leaf of carduus arvensis or cirsium arvense. It is also known as Canada thistle.

Carduus Arvensis

Illustrated is a spiny leaf of carduus arvensis or cirsium arvense. It is also known as Canada thistle.

Also known as cirsium arvense, or Creeping Thistle. It is native throughout Europe and northern Asia. It is considered a weed and is edible.

Canada Thistle

Also known as cirsium arvense, or Creeping Thistle. It is native throughout Europe and northern Asia.…