''Alnus oblongifolia'' (Arizona alder) is a large

alder Alders are trees comprising the genus ''Alnus'' in the birch family Betulaceae. The genus comprises about 35 species of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few sp ...

growing up to , from the

southwestern United States The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural region of the United States that generally includes Arizona, New Mexico, and adjacent portions of California, Colorado, Ne ...

and northern

Sonora Sonora (), officially Estado Libre y Soberano de Sonora ( en, Free and Sovereign State of Sonora), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is d ...

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

. It grows across

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

into western

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ker ...

mountain ranges. In central Arizona its range extends across the transition zone to the White Mountains region of eastern Arizona–western New Mexico border. Besides the range extension from central Arizona, elsewhere in New Mexico it occurs only in scattered mountain range locales. In southern Arizona south of the Mogollon Rim, also in two mountain regions, and in neighboring Sonora in regions at the north of the

Sierra Madre Occidental The Sierra Madre Occidental is a major mountain range system of the North American Cordillera, that runs northwest–southeast through northwestern and western Mexico, and along the Gulf of California. The Sierra Madre is part of the American C ...

cordillera near Arizona's southeast Madrean Sky Island ranges of

sky island Sky islands are topographic isolation, isolated mountains surrounded by radically different lowland environments. The term originally referred to those found on the Mexican Plateau, and has extended to similarly isolated montane ecosystems, hi ...

s. Isolated mountain locales also occur in a region of southwest Chihuahua and neighboring northwest

Durango Durango (), officially named Estado Libre y Soberano de Durango ( en, Free and Sovereign State of Durango; Tepehuán: ''Korian''; Nahuatl: ''Tepēhuahcān''), is one of the 31 states which make up the 32 Federal Entities of Mexico, situated in ...

, part of the eastern Sierra Madre Occidentals.

References

External links

Lady Bird Johnson database

Flora of North AmericaRangeMap

NRCS: USDA Plants Profile

Interactive Distribution Map of ''Alnus oblongifolia''
{{Authority control oblongifolia Flora of Arizona Flora of New Mexico Trees of Sonora Trees of Chihuahua (state) Trees of Durango Trees of the Southwestern United States Trees of the South-Central United States Flora of the Sierra Madre Occidental

See also

References

External links