Rhus copallina vs black sumac

Rhus copallina and black sumac both are nouns.

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

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

Rhus copallina and black 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 dwarf sumac, mountain sumac, shining sumac.

Rhus copallina (noun)	black 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