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By: Warwick, Charles. - Chick, John H. - Soeken-Gittinger, Lori A. - Ratcliff, Eric N. - Gittinger, Eric J. - Lubinski, Benjamin J. - Maher, Rob. - Illinois. Natural History Survey DivisionEdition:Publication info: Champaign, Ill, Illinois Natural History Survey, September 2013Volume: 39:6 (2013)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections: