Studies of Equiseta in European Herbaria
Schaffner, John H. (John Henry), 1866-1939
Article
1931
American fern journal
21
90--102
BioStor
English
[Washington, etc.] American Fern Society
BioStor: https://biostor.org/reference/218213 DOI: https://doi.org/10.2307/1544320
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