Colorado fir vs California white fir

Colorado fir and California white fir both are nouns.

Word	Noun	Adjective	Verb	Adverb
Colorado fir	Yes	No	No	No
California white fir	Yes	No	No	No

As nouns, Colorado fir and California white fir are synonyms defined as:

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

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

Colorado fir (noun)	California white 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