Henry W. Coe - Wildflower Guide

Thistle, Italian Thistle

Scientific Name: Carduus pycnocephalus ssp. pycnocephalus
Family: Aster, Sunflower, or Composite Family (Asteraceae)
Blooms: April through June
Facts: Annual. Roadsides and other disturbed areas. Not native. Invasive.


Photos by Sue Dekalb © 2014
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