Author:Asa Gray

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Asa Gray
Fisher Professor of Natural History at Harvard University. Considered the most important American botanist of the 19th century. Instrumental in unifying the taxonomic knowledge of the plants of North America. Gray's Manual has gone through a number of editions with botanical illustrations by Isaac Sprague, and remains a standard in the field.

Standard botanical author abbreviation: A.Gray

Asa Gray


  • Manual of the Botany of the Northern United States, from New England to Wisconsin and South to Ohio and Pennsylvania Inclusive (1848, 1856, 1862, 1863, 1867, 1890, 1908, 1950)
  • Plantæ Wrightianæ Texano–Neo-Mexicanæ: An Account of a Collection of Plants made by Charles Wright, A. M. in an Expedition from Texas to New Mexico in the summer and autumn of 1849 (1852)
  • The Vegetation of the Rocky Mountain Region, and A Comparison With That of Other Parts of the World (1880)

Articles in Popular Science Monthly[edit]

Works about Gray[edit]

Works by this author published before January 1, 1923 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.