The name Mountain Yucca is explained from its range. It is native to the mountain ranges at the north of the Sierra Madre Occidental cordillera. It is found in extreme southeast Arizona, then the smaller bootheel region of southwest New Mexico, and the neighboring northern Mexico states of Sonora and extreme northwest Chihuahua. Most of its range, about half is in Arizona. The mountainous regions of Arizona are in the northeast Sonora Desert, as well as Sonora; the region of New Mexico–Chihuahua lies on the extreme northwest border of the Chihuahuan Desert. This specific region at the intersection of these two deserts, is a Basin and Range area, with sky islands, named the Madrean Sky Islands for the Madrean-pine forests of the Sierra Nevada Occidentals.
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- "The Plant List: A Working List of All Plant Species".
- Little. Atlas of United States Trees, Volume 3, Minor Western Hardwoods, Map 208, Yucca schottii.
- Little. Atlas of United States Trees, Map 208, Yucca schottii.
- Little. Atlas of United States Trees, Volume 3, Minor Western Hardwoods, Little, Elbert L, 1976, US Government Printing Office. Library of Congress No. 79-653298. Map 208, Yucca schottii.
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