Cirsium arvense

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Common Names

Canada Thistle; Creeping Thistle

Family

Asteraceae

Genus

Cirsium

Species

arvense

Authority

(L.) Scop.

Synonyms

Comments

also in common plant folder

Location Found

Waterloo Region, 1977; Long Point, ON, 1968; Kitchener, ON, 1966, 1990; Waterloo, ON, 1968, 1974; Point Pelee, 1974; Algonquin Provincial Park, 1975;