DCHP-1 Online
Canadian thistle 
a thistle, Cirsium arvense, introduced into Canada from France.
See also: Canada thistle
- 1822 It has, likewise, passed from Canada into the United States, where it has received the name of the Canadian thistle, and it is now known by that name even here.
- 1947 Once they bent down to watch a bee crawl over a Canadian thistle's royal hair. . . .
- 1822 It has, likewise, passed from Canada into the United States, where it has received the name of the Canadian thistle, and it is now known by that name even here.