Abies lowiana vs Colorado fir

Abies lowiana and Colorado fir both are nouns.

Word	Noun	Adjective	Verb	Adverb
Abies lowiana	Yes	No	No	No
Colorado fir	Yes	No	No	No

As nouns, Abies lowiana and Colorado fir are synonyms defined as:

Abies lowiana and Colorado fir: medium to tall fir of central to western United States having a narrow erect crown and soft wood

Other synonyms of Abies lowiana include Abies concolor, California white fir, white fir.

Abies lowiana (noun)	Colorado fir (noun)
medium to tall fir of central to western United States having a narrow erect crown and soft wood	medium to tall fir of central to western United States having a narrow erect crown and soft wood