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Wind Cave National Park
Trees - Hackberry
 
Hackberry - Celtis occidentalis
NPS Photo by Marie Curtin
Hackberry - Celtis occidentalis
 
The Hackberry has leaves very similar to the American Elm.  It is at its northern-most range in the Black Hills in the park.  By mid-to-late summer the Hackberry produces green to orange fruits which are eaten by birds.
Shell-leaf Penstemon
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Plants
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Prairie Dog Barking  

Did You Know?
Lewis and Clark, while on their journey up the Missouri River in 1804, noted that this "wild dog of the prairie...appears here in infinite numbers."
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Last Updated: September 16, 2007 at 11:13 EST