^"Fungi Mycetozoa and Bacteria". Eng. Ed. "A Monograph of the British Gastromycetes", Annals of Botany, vol. iv. 1889.
^British Fungus – Flora: A Classified Textbook of Mycology; By George Massee; Published by George Bell and Sons, 1892; Item notes: v.1; Original from Harvard University; Digitized Jun 1, 2007
^A Field Guide to Mushrooms: North America; By Vera B. McKnight, Roger Tory Peterson, National Audubon Society, National Wildlife Federation; page 362; Illustrated by Vera B. McKnight; Published by HMCo Field Guides, 1998; ISBN0-395-91090-0, ISBN978-0-395-91090-0
^The Genera of Fungi; By Frederic Edward Clements; Published by The H. W. Wilson company, 1909; Original from the University of Michigan; page 195
^Mushrooms Demystified: A Comprehensive Guide to the Fleshy Fungi; By David Arora; page 708; Published by Ten Speed Press, 1986
^Botany Illustrated: Introduction to Plants, Major Groups, Flowering Plant Families; By Janice Glimn-Lacy, Peter B. Kaufman; page 53; Published by Birkhäuser, 2006; ISBN0-387-28870-8, ISBN978-0-387-28870-3