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

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Sign used at Wind Cave in 1903 when the cave became a national park.

Did You Know?
Wind Cave is the first cave in the world to be designated as a national park. That occurred on January 9, 1903.

Last Updated: June 08, 2007 at 20:03 MST