en
The Fungi Files: 7 Books on the Fascinating World of Mushrooms - An Introduction to the Study of Microscopic Fungi Among the Mushrooms Mushrooms of America etc
Roy Watling, M. C. Cooke, M. J. Richardson, Ellen M. Dallas, Caroline A. Burgin, George Francis Atkinson, Charles McIlvaine, Robert K. Macadam
en
The Botanist's Bookshelf: 8 Books on Plant Identification - The Plants of Michigan Forest Trees of Texas West Virginia Trees How to Know the Ferns etc
Roy Watling, M. J. Richardson, Frances Theodora Parsons, D. M. Crooks, Leonard Wheeler Kephart, Wilbur R. Mattoon, A. B. Brooks, Henry A. Gleason, C. B. Webster, Robert H. Mohlenbrock
