A study of variation in the cytotypes of Dryopteris spinulosa
Tryon, Rolla M. (Rolla Milton), 1916-2001 Britton, Donald M. 1923-2012
Article
1966
Rhodora
68
59--92
BioStor
[Cambridge, Mass., etc.], New England Botanical Club [etc.],
BioStor: https://biostor.org/reference/138940
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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