National Park Service, U.S. Department of the Interior National Park Service arrowhead
Panoramic view of the dunes.

INDIANA DUNES NATIONAL LAKESHORE

5. The Karner Blue Butterfly depends on fire to maintain the proper habitat for the wild lupine, the larva's sole food source.

National Park Service photo.
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www.nps.gov/parkoftheweek/photo-223.htm Updated: Monday, 18-Apr-2005 12:12:16 EDT
   
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