Alnus glutinosa vs European black alder

Alnus glutinosa and European black alder both are nouns.

Word	Noun	Adjective	Verb	Adverb
Alnus glutinosa	Yes	No	No	No
European black alder	Yes	No	No	No

As nouns, Alnus glutinosa and European black alder are synonyms defined as:

Alnus glutinosa and European black alder: medium-sized tree with brown-black bark and woody fruiting catkins; leaves are hairy beneath

Other synonyms of Alnus glutinosa include Alnus vulgaris, common alder.

Alnus glutinosa (noun)	European black alder (noun)
medium-sized tree with brown-black bark and woody fruiting catkins; leaves are hairy beneath	medium-sized tree with brown-black bark and woody fruiting catkins; leaves are hairy beneath