Recent Fern Literature
Merrill, Elmer D. (Elmer Drew), 1876-1956
Article
1931
American fern journal
21
74--75
BioStor
English
[Washington, etc.] American Fern Society
BioStor: https://biostor.org/reference/218210 DOI: https://doi.org/10.2307/1543891
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