Notes on American Ferns: XI
Maxon, William R
Article
1917
American fern journal
7
104--106
BioStor
English
[Washington, etc.] American Fern Society
BioStor: https://biostor.org/reference/218104 DOI: https://doi.org/10.2307/1543947
Public domain. The BHL considers that this work is no longer under copyright protection.
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