[105-02MS1116] Flora of Twin Shelters and Twin Mounds Hill Prairies, Pere Marquette State Park, Jersey County, Illinois, Changes Since 1963
McClain, William E. and John E. Ebinger Flora of Twin Shelters and Twin Mounds Hill Prairies, Pere Marquette State Park, Jersey County, Illinois, Changes Since 1963 PDF: 105-02MS1116-print