mountain cranberry vs Vaccinium vitis-idaea

mountain cranberry and Vaccinium vitis-idaea both are nouns.

Word	Noun	Adjective	Verb	Adverb
mountain cranberry	Yes	No	No	No
Vaccinium vitis-idaea	Yes	No	No	No

As nouns, mountain cranberry and Vaccinium vitis-idaea are synonyms defined as:

mountain cranberry and Vaccinium vitis-idaea: low evergreen shrub of high north temperate regions of Europe and Asia and America bearing red edible berries

Other synonyms of mountain cranberry include cowberry, foxberry, lingberry, lingenberry, lingonberry.

mountain cranberry (noun)	Vaccinium vitis-idaea (noun)
tart red berries similar to American cranberries but smaller	low evergreen shrub of high north temperate regions of Europe and Asia and America bearing red edible berries
low evergreen shrub of high north temperate regions of Europe and Asia and America bearing red edible berries