Author: Merriam, C.H., 1893.:
Title: Notes on the distribution of trees and shrubs in the deserts and desert ranges of Southern California, Southern Nevada, Northwestern Arizona, and Southwestern Utah. (From North American Fauna, No. 7.)
Description: [Washington.] Pp. 285-359, 9 photogr. plates, 1 large fold. map, 1 other map. Orig. ptinted wrappers. - Includes second paper: "Notes on the geographic and vertical distribution of cactuses, yuccas, and agave, in the deserts and desert ranges of Southern California, Southern Nevada, Northwestern Arizona, and Southwestern Utah."

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