Distribution
The range extends from westernmost Texas, United States (where it is restricted to the Chisos and Davis Mountains), south through much of Mexico, occurring widely along the Sierra Madre Oriental and Sierra Madre Occidental ranges, and more rarely in the eastern Eje Volcánico Transversal range. It lives in areas with little rainfall, which fluctuates between 380 millimetres (15 in) to 640 millimetres (25 in), the subspecies orizabensis (Pinus orizabensis) is found farther south in the state of Veracruz. There is also a disjunct population in the Sierra de la Laguna of southern Baja California Sur. It occurs at moderate altitudes, mostly from 1,600 metres (5,200 ft) to 2,400 metres (7,900 ft).
Read more about this topic: Mexican Pinyon
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