Canada thistle (Cirsium arvense) - Kanabec Soil And Water Conservation District

Canada thistle (Cirsium arvense)

https://www.dnr.state.mn.us/invasives/terrestrialplants/herbaceous/canadathistle.html

Purple thistle flowers with spiky petals and green stems, set against a green grassy background. — Canada thistle. Photo: Katy Chayka

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