swamp birch vs Betula fontinalis

swamp birch and Betula fontinalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
swamp birch	Yes	No	No	No
Betula fontinalis	Yes	No	No	No

As nouns, swamp birch and Betula fontinalis are synonyms defined as:

swamp birch and Betula fontinalis: birch of western United States resembling the paper birch but having brownish bark

Other synonyms of swamp birch include mountain birch, water birch, Western birch, Western paper birch.

swamp birch (noun)	Betula fontinalis (noun)
birch of western United States resembling the paper birch but having brownish bark	birch of western United States resembling the paper birch but having brownish bark