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The Pine Ridge Association at Henry W. Coe State Park

Thistle, Milk Thistle, Holy Thistle

Invasive
Scientific Name: Silybum marianum
Family: Aster, Sunflower, or Composite Family (Asteraceae)
Blooms: May through July
Facts: Annual or Biennial. Disturbed areas. Not native. Invasive.
Photo Credit: © 2012 Sue Dekalb
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