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John D. Stuart
John D. Stuart is Professor of Forestry at Humboldt State University. John O. Sawyer is Professor of Botany at Humboldt State University and coauthor, with T. Keeler-Wolf, of A Man...voir plusJohn D. Stuart is Professor of Forestry at Humboldt State University. John O. Sawyer is Professor of Botany at Humboldt State University and coauthor, with T. Keeler-Wolf, of A Manual of California Vegetation (1995), among other books. Andrea J. Pickart is an ecologist with the U.S. Fish and Wildlife Service.voir moins