Alnus oblongifolia

Torr.

Arizona Alder

G3Vulnerable (G3G4) Found in 24 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
Least concernIUCN
Arizona alder (Alnus oblongifolia). Photo by hohey22, CC0 1.0, via iNaturalist.
hohey22, CC0 1.0
Arizona alder (Alnus oblongifolia). Photo by brettaugust, CC BY 4.0, via iNaturalist.
brettaugust, CC BY 4.0
Arizona alder (Alnus oblongifolia). Photo by Ben Sims, CC0 1.0, via iNaturalist.
Ben Sims, CC0 1.0
Arizona alder (Alnus oblongifolia). Photo by Eric Knight, CC BY 4.0, via iNaturalist.
Eric Knight, CC BY 4.0
Arizona alder (Alnus oblongifolia). Photo by Andrew Tree, CC BY 4.0, via iNaturalist.
Andrew Tree, CC BY 4.0
Identity
Unique IDELEMENT_GLOBAL.2.142746
Element CodePDBET01040
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
IUCNLeast concern
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderFagales
FamilyBetulaceae
GenusAlnus
Other Common Names
Arizona alder (EN)
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Review Date1991-05-16
Change Date1991-05-16
Edition Date2001-03-23
Edition AuthorsBroaddus, L., 5/91; rev. B. MacBryde 3/2001.
Range Extent250-20,000 square km (about 100-8000 square miles)
Rank Reasons
Alnus oblongifolia is in Arizona and New Mexico in the U.S.A. and Sonora and Chihuahua in Mexico, occurring mostly near streams in the mountains (700-2400 meters), and on moist slopes and mineralized outcrops, often in canyons.
Range Extent Comments
Central to southern Arizona and west-central New Mexico, southward to south-central Chihuahua and west-central Sonora in Mexico.
Ecology & Habitat

Habitat

Sandy or rocky streambanks and adjacent moist slopes, often in mountain canyons, 1500-2300 m, (Furlow, 1979, Rhodora 81: 1-121).
Other Nations (1)
United StatesNNR
ProvinceRankNative
New MexicoSNRYes
ArizonaS3Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (24)
Arizona (16)
AreaForestAcres
Arnold MesaPrescott National Forest12,286
Barbershop CanyonCoconino National Forest1,311
Butterfly Roadless AreaCoronado National Forest42,296
East Clear CreekCoconino National Forest1,613
HellsgateTonto National Forest6,171
Lower San FranciscoApache-Sitgreaves National Forests59,310
MazatzalTonto National Forest16,942
Mitchell PeakApache-Sitgreaves National Forests35,398
Oracle RoadlessCoronado National Forest22,365
PinalenoCoronado National Forest130,920
Pine Mountain Wilderness ContiguousTonto National Forest6,518
Pine Mountain Wilderness ContiguousPrescott National Forest3,129
PipestemApache-Sitgreaves National Forests34,598
Sierra Ancha Wilderness ContiguousTonto National Forest7,787
SunsetApache-Sitgreaves National Forests28,948
Walker MountainCoconino National Forest6,382
New Mexico (8)
AreaForestAcres
Apache Kid ContiguousCibola National Forest67,542
Contiguous To Black & Aldo Leopold WildernessGila National Forest111,883
Contiguous To Gila Wilderness & Primitive AreaGila National Forest79,049
Devils CreekGila National Forest89,916
Meadow CreekGila National Forest34,167
Ryan HillCibola National Forest34,201
San JoseCibola National Forest16,950
Sawyers PeakGila National Forest59,743
References (4)
  1. Flora of North America Editorial Committee (FNA). 1997. Flora of North America north of Mexico. Vol. 3. Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York. xxiii + 590 pp.
  2. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  3. Little, E.L., Jr. 1979. Checklist of United States trees (native and naturalized). Agriculture Handbook No. 541. U.S. Forest Service, Washington, D.C. 375 pp.
  4. Martin, P.S., D. Yetman, M. Fishbein, P. Jenkins, T.R. Van Devender, and R.K. Wilson. 1998. Gentry's Rio Mayo plants; The tropical deciduous forest & environs of northwest Mexico. Univ. Arizona Press, Tucson. 558 pp. + map.