• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Wavyleaf Thistle

Wavyleaf Thistle, Cirsium undulatum
Wavyleaf Thistle - Cirsium undulatum
NPS Photo by Jim Pisarowicz
 
The Wavyleaf Thistle is a native thistle. It is a biennial and prefers well-drained locations.

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