Graham, V. O. (1944). Mushrooms of the Great lakes region: The fleshy, leathery, and woody fungi of Illinois, Indiana, Ohio, and the southern half of Wisconsin and of Michigan. The Chicago Academy of Sciences and the Chicago Natural History Museum.
Chicago-Zitierstil (17. Ausg.)Graham, Verne Ovid. Mushrooms of the Great Lakes Region: The Fleshy, Leathery, and Woody Fungi of Illinois, Indiana, Ohio, and the Southern Half of Wisconsin and of Michigan. Chicago: The Chicago Academy of Sciences and the Chicago Natural History Museum, 1944.
MLA-Zitierstil (9. Ausg.)Graham, Verne Ovid. Mushrooms of the Great Lakes Region: The Fleshy, Leathery, and Woody Fungi of Illinois, Indiana, Ohio, and the Southern Half of Wisconsin and of Michigan. The Chicago Academy of Sciences and the Chicago Natural History Museum, 1944.