Mahonia nervosa vs Oregon grape

Mahonia nervosa and Oregon grape both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mahonia nervosa	Yes	No	No	No
Oregon grape	Yes	No	No	No

As nouns, Mahonia nervosa and Oregon grape are synonyms defined as:

Mahonia nervosa and Oregon grape: small shrub with grey-green leaves and yellow flowers followed by glaucous blue berries

Mahonia nervosa (noun)	Oregon grape (noun)
small shrub with grey-green leaves and yellow flowers followed by glaucous blue berries	ornamental evergreen shrub of Pacific coast of North America having dark green pinnate leaves and racemes of yellow flowers followed by blue-black berries
	small shrub with grey-green leaves and yellow flowers followed by glaucous blue berries