paperbark birch vs American white birch

paperbark birch and American white birch both are nouns.

Word	Noun	Adjective	Verb	Adverb
paperbark birch	Yes	No	No	No
American white birch	Yes	No	No	No

As nouns, paperbark birch and American white birch are synonyms defined as:

paperbark birch and American white birch: small American birch with peeling white bark often worked into e.g. baskets or toy canoes

Other synonyms of paperbark birch include Betula cordifolia, Betula papyrifera, canoe birch, paper birch.

paperbark birch (noun)	American white birch (noun)
small American birch with peeling white bark often worked into e.g. baskets or toy canoes	small American birch with peeling white bark often worked into e.g. baskets or toy canoes