Rhus glabra vs smooth sumac

Rhus glabra and smooth sumac both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rhus glabra	Yes	No	No	No
smooth sumac	Yes	No	No	No

As nouns, Rhus glabra and smooth sumac are synonyms defined as:

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

Other synonyms of Rhus glabra include scarlet sumac, vinegar tree.

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