European white birch vs Betula pendula

European white birch and Betula pendula both are nouns.

Word	Noun	Adjective	Verb	Adverb
European white birch	Yes	No	No	No
Betula pendula	Yes	No	No	No

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

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

Other synonyms of European white birch include common birch, silver birch.

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