Abies concolor

Abies concolor, commonly known as the white fir or Colorado white-fir, is a fir native to the mountains of western North America, occurring at elevations of 900–3,400 m (3,000–11,200 ft). It is a medium to large evergreen coniferous tree growing to 25–60 m (82–197 ft) tall and with a trunk diameter of up to 2 m (6.6 ft). It is popular as an ornamental landscaping tree and as a Christmas tree. It is sometimes known as concolor fir.