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Making America's Best Idea Even Better
Wind Cave National ParkCommon Mullein
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Wind Cave National Park
Wildflowers - Canada Thistle
 
Canada Thistle - Circium arvense
NPS Photo by Jim Pisarowicz
Canada Thistle - Circium arvense
 
Canada Thistle is a noxious weed that the park actively works to limit its spread.
Shell-leaf Penstemon
Bibliography
Plants
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Thistle
Exotic Plants
List of non-native plants identified in the park.
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Black-footed Ferret
Resource Ramblings
Wind Cave National Park Resource Management News Briefs
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Wild Bergamot
Wildflower
Photo Gallery
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A picture of Alvin McDonald in his caving hat.  

Did You Know?
Alvin McDonald was the first systematic explorer of Wind Cave. He explored the cave from 1890 until his death in 1893.
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Last Updated: July 24, 2007 at 18:02 EST