European white birch vs common birch

European white birch and common birch both are nouns.

Word	Noun	Adjective	Verb	Adverb
European white birch	Yes	No	No	No
common birch	Yes	No	No	No

As nouns, European white birch and common birch are synonyms defined as:

European white birch and common birch: European birch with silvery white peeling bark and markedly drooping branches

Other synonyms of European white birch include Betula pendula, silver birch.

European white birch (noun)	common birch (noun)
European birch with silvery white peeling bark and markedly drooping branches	European birch with silvery white peeling bark and markedly drooping branches