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Gray, Asa

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Gray, Asa (1810-1888)

US botanist and taxonomist who became America's leading expert in the field. His major publications include Elements of Botany 1836 and the definitive Flora of North America 1838, 1843. He based his revision of the Linnaean system of plant classification on fruit form rather than gross morphology.

Gray, born in Saquoit, New York, graduated from medical school but chose botany rather than medicine as his career. A friend and supporter of Charles Darwin, he was one of the founders of the American National Academy of Sciences.

His Manual of Botany 1850 remains the standard reference work on flora east of the Rockies.
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