Sloane, Sir Hans (1660-1753), was a British physician and botanist. His private collections and library provided the beginning of the British…
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Bartram, BAHR truhm, John (1699-1777), a botanist, planted the first botanical garden in America in 1728 near Philadelphia. He helped Benjamin…
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Gray, Asa (1810-1888), was the leading authority of his time on plant life in the United States. Gray specialized in the classification and…
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