A CLASSIFICATION OF BOTANICAL SCIENCE IN TWO DIMENSIONS
Harper, Roland M
Article
1914
Torreya
14
Issue: 8
144--147
BioStor
English
Burlington, Vt, Torrey Botanical Club, 1901-1945
BioStor: https://biostor.org/reference/276889
Public domain. The BHL considers that this work is no longer under copyright protection.
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