Rhus copallina vs mountain sumac

Rhus copallina and mountain sumac both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rhus copallina	Yes	No	No	No
mountain sumac	Yes	No	No	No

As nouns, Rhus copallina and mountain sumac are synonyms defined as:

Rhus copallina and mountain sumac: common nonpoisonous shrub of eastern North America with compound leaves and green paniculate flowers followed by red berries

Other synonyms of Rhus copallina include black sumac, dwarf sumac, shining sumac.

Rhus copallina (noun)	mountain sumac (noun)
common nonpoisonous shrub of eastern North America with compound leaves and green paniculate flowers followed by red berries	common nonpoisonous shrub of eastern North America with compound leaves and green paniculate flowers followed by red berries