The subalpine fir, also known as the Abies lasiocarpa, is a type of tree found in mountainous areas. Along with the common name, there are a few synonyms for the subalpine fir. One of them is the Rocky Mountain fir, which refers to its habitat. Another synonym is the balsam fir, as its needles give off a pleasant scent. It is also sometimes called the Alpine fir, as it can grow in high elevation areas. Additionally, the subalpine fir is known as the white fir due to its light-colored bark. These synonyms are often used interchangeably, but each one has a slightly different connotation.