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By: Koel, Todd Marvin. - Sparks, Richard E. - Illinois. Natural History Survey DivisionEdition:Publication info: Havana, Ill, Illinois Natural History Survey, LTRMP Havana Field Station, [1999]Volume:Series:Holding Institution: Lewis & Clark Community College / NGRRECSubjects:BHL Collections:
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By: Koel, Todd Marvin. - Illinois. Dept. of Natural Resources. - Illinois. LTRMP Havana Field Station. - Illinois. Natural History Survey Division. LTRMP Havana Field Station.Edition:Publication info: Havana, Ill, Illinois Natural History Survey, Illinois River Biological Station, 1997Volume:Series:Holding Institution: Lewis & Clark Community College / NGRRECSubjects:BHL Collections:
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By: Koel, Todd Marvin. - Peterka, John J.Type: ArticleIn: The Canadian field-naturalistVolume: 112Series:Issue: 4Date: 1998Page Range: 631--646Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: