subalpine fir vs Abies lasiocarpa

subalpine fir and Abies lasiocarpa both are nouns.

Word	Noun	Adjective	Verb	Adverb
subalpine fir	Yes	No	No	No
Abies lasiocarpa	Yes	No	No	No

As nouns, subalpine fir and Abies lasiocarpa are synonyms defined as:

subalpine fir and Abies lasiocarpa: medium-tall timber tree of the Rocky Mountains having a narrowly conic to columnar crown

Other synonyms of subalpine fir include Alpine fir.

subalpine fir (noun)	Abies lasiocarpa (noun)
medium-tall timber tree of the Rocky Mountains having a narrowly conic to columnar crown	medium-tall timber tree of the Rocky Mountains having a narrowly conic to columnar crown