| McHenry County Conservation District / McHenry County College / ThistleCanadian
Fall Wildflower - Pink & Red Gallery Information: MCCD #(815) 338-6223 |
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Common Name: |
Canadian Thistle
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| Scientific Name: | Cirsium arvense
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| Habitat/Season: | Roadsides, Pastures & Waste Places / June-October
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| Comment: | Invasive
Although originally from Europe, it entered the United States through Canada, hence its name. Classified as a noxious weed in most states.
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