A monographic study of the fern genus Cystopteris
Blasdell, Robert F. (Robert Ferris), 1929-1996
Article
1963
Memoirs of the Torrey Botanical Club
21
Issue: 4
1-102
New York Botanical Garden, LuEsther T. Mertz Library
English
Durham, N.C, Published for the Club by the Seeman Printery, 1889-
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