Studies on the Gymnocarpium robertianum complex in North America
Sarvela, Jaakko Britton, Donald M. 1923-2012 Pryer, Kathleen M. (Kathleen Mary)
Article
1981
Rhodora
83
421--431
BioStor
English
[Cambridge, Mass., etc.], New England Botanical Club [etc.],
BioStor: https://biostor.org/reference/138107
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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