OGDEN, Eugene C.
Title: Key to the North American Species of Potamogeton.
Publisher:  University of the State of New York, Albany, NY , 1953,
Seller ID: 81251
OGDEN, Eugene C. Key to the North American Species of Potamogeton. New YorkState Museum, Circular 31, February 1953. Albany : The University of the S tate of New York, 1953. Pp -11,(1). Illustrated. 8vo, printed stapled brown card covers. Very good. 10.00