Carduus pycnocephalus, with common names including Italian thistle, Italian plumeless thistle, and Plymouth thistle, is a species of thistle. It is native to: the Mediterranean region in southern Europe, North Africa, and Western Asia; East Europe and the Caucasus; and the Indian Subcontinent.The plant has become an introduced species in other regions, and on other continents, often becoming a noxious weed or invasive species.
A winter annual, Carduus pycnocephalus stems range from 8 inches (20 cm) ...