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Warning! This is an invasive plant, which has the potential to aggressivley crowd out native species. Learn more about invasive plants!

Bull Thistle (Cirsium vulgare)

Image ID: sc16

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Family: Asteraceae (Sunflower)
Height: 2 to 6 ft.
Blooms: June to September
Leaf Type: lobed
Bloom Size:  1.75 in. (typical)
Flower Description: Individual flowers, Parts indistinct
Location: Sandy Creek Trail
Date:  7/20/2002
Notes: Stem bears purple spots. Fern-like leaves. Highly toxic.
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We started out as wildflowers from the bicycle trails of western Pennsylvania, but we've grown!
Meyer, Joseph E. (1918). The Herbalist and Herb Doctor. Hammond, Ind.: Indiana Herb Gardens. 400 pp.

The Herbalist