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Wind Cave National Park Wildflowers
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Wind Cave National Park
Wildflowers - Blue Vervain
 
Blue Vervain, Swamp Vervain - Verbena hastata
NPS Photo by Jim Pisarowicz
Blue Vervain, Blue Verbena, Swamp Vervain - Verbena hastata
 
Blue Vervain prefers to grow in open moist areas.

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fire on the prairie

Did You Know?
Fire is an important factor in protecting the prairie. Historically, fires burned across the prairie every 4 to 7 years. Fires burn the small trees that would otherwise march across the prairie and turn the grasslands to forest.

Last Updated: July 26, 2007 at 15:35 MST