Studies of American plants X Standley, Paul Carpenter, 1884-1963 creator Field Museum of Natural History. contributor text book Chicago [Ill.] Field Museum of Natural History [1940] 1940
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ENG "June 12, 1940." America Botany Plants QK1 .F43 580 Publication (Field Museum of Natural History : 1909), Botanical series, v. 22, no. 2 https://www.biodiversitylibrary.org/bibliography/42246 Publication (Field Museum of Natural History), 472 https://www.biodiversitylibrary.org/bibliography/2319 16117901 10.5962/bhl.title.2319 SPI