ID:DA02904309
Mitchell, Richard S. (Richard Sheppard)
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edited by Richard S. Mitchell, Charles J. Sheviak, Donald J. Leopold
New York State Museum, University of the State of New York, State Education Dept. 1990 Museum bulletin / New York State Museum no. 471
Available at 3 libraries
Richard S. Mitchell
University of the State of New York, State Education Dept. 1986 Contributions to a flora of New York State 3 , Bulletin / New York State Museum no. 458
Available at 4 libraries
[by] Robert M. Lloyd and Richard S. Mitchell
University of California Press [1973]
Available at 2 libraries
by Richard S. Mitchell
University of California Press 1968 University of California publications in botany v. 45