On Pairs of Species
Gates, R. Ruggles (Reginald Ruggles), 1882-1962
Article
1916
Botanical gazette
61
Issue: 3
177--212
BioStor
English
Hanover, Ind, [publisher not identified], 1876-1991
BioStor: https://biostor.org/reference/209634 DOI: https://doi.org/10.1086/331760
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