lowland white fir vs lowland fir

lowland white fir and lowland fir both are nouns.

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

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

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

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

lowland white fir (noun)	lowland fir (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