-
By: Gentry, David A. - Nixon, Philip. - Illinois. Natural History Survey Division - University of Illinois at Urbana-Champaign. Cooperative Extension Service.Edition:Publication info: Urbana, Ill, University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service in cooperation with Illinois Natural History Survey, 1981Volume:Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections: