You selected Pinus ponderosa var. arizonica (Engelm.) Shaw. This is a synonym for:

Accepted scientific name:
Pinus arizonica var. arizonica Engelm. (accepted name)
Synonyms:
Pinus ponderosa subsp. arizonica (Engelm.) E. Murray (synonym) 8 literature references for Pinus ponderosa subsp. arizonica (Engelm.) E. Murray
Pinus ponderosa var. arizonica (Engelm.) Shaw (synonym) 1 literature reference for Pinus ponderosa var. arizonica (Engelm.) Shaw
Common names: -
Classification:
Plantae
Phylum Pinophyta
Class Pinopsida
Order Pinales
Family Pinaceae
Genus Pinus
Species Pinus arizonica
Distribution: SW U.S.A. (Arizona, New Mexico); mainly in the Sierra Madre Occidental of Mexico south to southern Durango, scattered in Coahuila, NE Zacatecas and Nuevo León. TDWG: 76 ARI 77 NWM 79 MXE-CO MXE-CU MXE-DU MXE-NL MXE-ZA MXN-SI MXN-SO
Additional data: Conservation status: LC, Habit: Tree
Source database: Conifer Database, Jun 2008
Latest taxonomic scrutiny: Farjon A., 5-Jun-2008
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:3a28c38e-52c2-102c-b3cd-957176fb88b9:ac2010