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References






http://www.npwrc.usgs.gov

http://www.biosurvey.ou.edu/shrub/rosa-ark.htm

http://naturenorth.com

http://lib.ksu.edu/wildflower/arkansasrose

http://www.ag.uiuc.edu/~vista/html_pubs/WEEDS/107.html

Selected North Dakota and Minnesota. Range Plants  by Kevin K. Sedivec and William T. Barker
NDSU Extemsion Services. Fargo, ND

Restoring the Tallgrass Prairie. An illustrated manual for Iowa and the upper midwest by Shirley Shirley
Iowa City: University of Iowa Press. 1994

Kathleen Brokke, Interview. January 2002
 
 
 

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