Natural hybrids of lady's slippers (Cypripedium) in Manitoba
Marshall, H. H. Gross, A T H Stevenson, G A
Article
1966
Rhodora
68
53--58
BioStor
[Cambridge, Mass., etc.], New England Botanical Club [etc.],
BioStor: https://biostor.org/reference/138939
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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