3 literature references for Abies durangensis Martinez:

Author: Grimshaw, J. & Bayton, R.
Year: 2009
Title: New trees (recent introductions to cultivation)
Source: Kew Publishing, Royal Botanic Gardens, Kew
Author: Farjon, A.
Year: 1990
Title: Pinaceae. [Regnum Vegetabile Vol. 121]
Source: Koeltz Scientific Books, Königstein
Author: Martínez
Year: 1942
Title:
Source: In: Anales Inst. Biol. Univ. Nac. México 13 (2): 621.