A Key to American Dryopteris Species Based on Characters of the Perispore
Crane, Fern Ward
Article
1960
American fern journal
50
270--275
BioStor
English
[Washington, etc.] American Fern Society
BioStor: https://biostor.org/reference/218275 DOI: https://doi.org/10.2307/1545120
In copyright. Digitized with the permission of the rights holder.
https://biodiversitylibrary.org/permissions
http://creativecommons.org/licenses/by-nc-sa/3.0/
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