blackcap raspberry vs Rubus occidentalis

blackcap raspberry and Rubus occidentalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
blackcap raspberry	Yes	No	No	No
Rubus occidentalis	Yes	No	No	No

As nouns, blackcap raspberry and Rubus occidentalis are synonyms defined as:

blackcap raspberry and Rubus occidentalis: raspberry native to eastern North America having black thimble-shaped fruit

Other synonyms of blackcap raspberry include black raspberry, blackcap, thimbleberry.

blackcap raspberry (noun)	Rubus occidentalis (noun)
raspberry native to eastern North America having black thimble-shaped fruit	raspberry native to eastern North America having black thimble-shaped fruit