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DistributionSierra lodgepole pine occurs in the Cascade Range of southern
Washington, Oregon, and California ; it also occurs in the Sierra
Nevada and Klamath Mountains. Disjunct populations occur farther south
in the Transverse and Peninsular ranges and the Sierra de Juarez of Baja
California [7,12,34,41]. Sierra lodgepole pine is also found in the
Virginia and Sweetwater mountains of the Great Basin .