[076-33] Vascular Flora of a Deep Coal Mine Refuse Reclamation Site in Illinois
J.R. Rastorfer and G. Wilhelm Vascular Flora of a Deep Coal Mine Refuse Reclamation Site in Illinois 076-33-print
[078-28] Macrolichen Flora of Jackson County, Illinois
Gerould Wilhelm and Douglas Ladd Macrolichen Flora of Jackson County, Illinois 078-28-print
[080-05] Macrolichens of Du Page County, Illinois
Gerould Wilhelm and Wayne Lampa Macrolichens of Du Page County, Illinois 080-05-print
[080-03] Lichens New to Illinois
Bill N. McKnight, Gerould Wilhelm, and Wesley Whiteside Lichens New to Illinois 080-03-print
[085-01] Carotenoids in Certain Lichens from the State of Illinois
Bazyli Czeczuga and Gerould Wilhelm Carotenoids in Certain Lichens from the State of Illinois 085-01-print