Campanula glomerata vs clustered bellflower

Campanula glomerata and clustered bellflower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Campanula glomerata	Yes	No	No	No
clustered bellflower	Yes	No	No	No

As nouns, Campanula glomerata and clustered bellflower are synonyms defined as:

Campanula glomerata and clustered bellflower: bellflower of Europe to temperate Asia having dense spikes of violet-blue to white flowers

Campanula glomerata (noun)	clustered bellflower (noun)
bellflower of Europe to temperate Asia having dense spikes of violet-blue to white flowers	bellflower of Europe to temperate Asia having dense spikes of violet-blue to white flowers