Studies in American plants, III Gibson, Dorothy N. creator Field Museum of Natural History. contributor text book Chicago, Ill Field Museum of Natural History 1972 1972
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ENG Caption title. "May 15, 1972." Botany Central America QK1 .F43 580 Fieldiana, Botany, v. 34, no. 6 https://www.biodiversitylibrary.org/bibliography/42247 Publication (Field Museum of Natural History), 1147 https://www.biodiversitylibrary.org/bibliography/2629 18649122 68026374 10.5962/bhl.title.2629 SPI