Arctostaphylos alpina vs black bearberry

Arctostaphylos alpina and black bearberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
Arctostaphylos alpina	Yes	No	No	No
black bearberry	Yes	No	No	No

As nouns, Arctostaphylos alpina and black bearberry are synonyms defined as:

Arctostaphylos alpina and black bearberry: deciduous creeping shrub bright red in autumn having black or blue-black berries; alpine and circumpolar

Other synonyms of Arctostaphylos alpina include alpine bearberry.

Arctostaphylos alpina (noun)	black bearberry (noun)
deciduous creeping shrub bright red in autumn having black or blue-black berries; alpine and circumpolar	deciduous creeping shrub bright red in autumn having black or blue-black berries; alpine and circumpolar