by W. H. Camp
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Studies in the Ericales
International rules of botanical nomencl...
The structure and origin of species
Proposed changes in the International ru...
A preliminary consideration of the biosy...
Amorphophallus titanum
The variation of animals and plants unde...
Handbook of Flowering
The Sign on Rosie's Door
Reuter's seeds
A proceedings of the XXVI International ...
Origin of cultivated plants