black sumac vs Rhus copallina

black sumac and Rhus copallina both are nouns.

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

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

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

Other synonyms of black sumac include dwarf sumac, mountain sumac, shining sumac.

black sumac (noun)	Rhus copallina (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