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Abies grandis - Wikipedia
Fir - Wikipedia
Abies concolor - Wikipedia
Picea abies - Wikipedia
Abies alba - Wikipedia
Fir | Description, Uses, & Species | Britannica
Abies - Trees and Shrubs Online
Abies grandis | Landscape Plants | Oregon State University
Fir - Simple English Wikipedia, the free encyclopedia
Abies pinsapo - Wikipedia