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Botany

Cover of Cleofe Calderon's field book, Brasil 1974
Cover of Cleofe Calderon's field book, Colombia 1981
Cover of Cleofe Calderon's field book, Brasil 1972, 2
Page from Cleofe Calderon's field book, Brasil 1972
Title page, Proceedings of the Washington Academy of Sciences, v.1
Cucurbita moschata | Stahl Collection, U.S. National Herbarium, National Museum of Natural History, Smithsonian Institution
Citrus x aurantium | Stahl Collection, U.S. National Herbarium, National Museum of Natural History, Smithsonian Institution
Ananas comosus | Stahl Collection, U.S. National Herbarium, National Museum of Natural History, Smithsonian Institution
Cyathea albidopaleata type specimen from Smithsonian Institution, National Museum of Natural History, Department of Botany
Piper armatum type specimen from Smithsonian Institution, National Museum of Natural History, Department of Botany
Philodendron affine | Biologia Centrali-Americana, Botany v.5
Table of contents from "Contributions from the Gray Herbarium of Harvard University, v. 45"