2 literature references for Abies obovata (Ledeb.) Loudon:

Author: Loudon
Year: 1838
Title:
Source: In: Arbor. Frut. Brit. 4: 2329. 1838.
Author: Loudon
Year: 1838
Title:
Source: In: Arbor. Frut. Brit. 4: 2329. 1838.