lowland white fir vs Abies grandis

lowland white fir and Abies grandis both are nouns.

Word	Noun	Adjective	Verb	Adverb
lowland white fir	Yes	No	No	No
Abies grandis	Yes	No	No	No

As nouns, lowland white fir and Abies grandis are synonyms defined as:

lowland white fir and Abies grandis: lofty fir of the Pacific coast of northwestern America having long curving branches and deep green leaves

Other synonyms of lowland white fir include giant fir, grand fir, lowland fir.

lowland white fir (noun)	Abies grandis (noun)
lofty fir of the Pacific coast of northwestern America having long curving branches and deep green leaves	lofty fir of the Pacific coast of northwestern America having long curving branches and deep green leaves