Wildflowers - Canada Thistle

Canada Thistle - Circium arvense
Canada Thistle - Circium arvense

NPS Photo by Jim Pisarowicz

 
Canada Thistle is a noxious weed that the park actively works to limit its spread.

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Mailing Address:

26611 US Highway 385
Hot Springs, SD 57747

Phone:

(605) 745-4600

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