You selected Pinus flexilis var. megalocarpa Sudw. This is a synonym for:

Accepted scientific name:
Pinus flexilis var. flexilis E. James (accepted name)
Synonyms:
Apinus flexilis (E. James) Rydb. (synonym) 4 literature references for Apinus flexilis (E. James) Rydb.
Pinus flexilis var. alpina Silba (synonym) 1 literature reference for Pinus flexilis var. alpina Silba
Pinus flexilis var. callahanii Silba (synonym) 1 literature reference for Pinus flexilis var. callahanii Silba
Pinus flexilis var. macrocarpa Engelm. (synonym) 1 literature reference for Pinus flexilis var. macrocarpa Engelm.
Pinus flexilis var. megalocarpa Sudw. (synonym) 1 literature reference for Pinus flexilis var. megalocarpa Sudw.
Pinus flexilis var. serrulata Engelm. (synonym) 1 literature reference for Pinus flexilis var. serrulata Engelm.
Pinus lambertiana var. brevifolia Hook. (synonym) 1 literature reference for Pinus lambertiana var. brevifolia Hook.
Pinus novaemexicana P. Landry (synonym) 1 literature reference for Pinus novaemexicana P. Landry
Common names: -
Classification:
Plantae
Phylum Pinophyta
Class Pinopsida
Order Pinales
Family Pinaceae
Genus Pinus
Species Pinus flexilis
Distribution: W North America: Rocky Mountains from Alberta to New Mexico, mountains of SE California, Nevada, N Arizona, Utah, isolated localities in North Dakota, South Dakota and Nebraska. TDWG: 71 ABT BRC 73 COL IDA MNT WYO 74 NDA NEB SDA 76 ARI CAL NEV UTA 77 NWM
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:3a2ef26e-52c2-102c-b3cd-957176fb88b9:ac2010