United States Exploring Expedition

United States Exploring Expedition, is a book with illustrations and botanical descriptions that was written by the naturalist, physician and considered the most important American botanist of the 19th century; Asa Gray. It was published in Philadelphia in 1854 under the name of United States Exploring Expedition. During the years 1838, 1839, 1840, 1841, 1842. Under the Command of Charles Wilkes, U.S.N. vol. XV. Botany. Phanerogamia by Asa Gray with a Folia Atlas of 100 Plates. Part 1.

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