Theodore R. Dudley Ph. D. books & textbook
Gray's Manual of Botany: A Handbook of Flowering Plants and Ferns of the Central and Northeastern U.S. and Adjacent Canada (Biosystematics, Floristi)
Merritt Lyndon Fernald Asa Gray Theodore R. Dudley Ph. D. Reed C. Rollins
Timber Pr /1987-01-01 Hardcover
isbn-10: 0931146097 / isbn-13: 9780931146091