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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
