Vitis labrusca vs fox grape

Vitis labrusca and fox grape both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vitis labrusca	Yes	No	No	No
fox grape	Yes	No	No	No

As nouns, Vitis labrusca and fox grape are synonyms defined as:

Vitis labrusca and fox grape: native grape of northeastern United States; origin of many cultivated varieties e.g. Concord grapes

Vitis labrusca (noun)	fox grape (noun)
native grape of northeastern United States; origin of many cultivated varieties e.g. Concord grapes	purplish-black wild grape of the eastern United States with tough skins that slip easily from the flesh; cultivated in many varieties
	native grape of northeastern United States; origin of many cultivated varieties e.g. Concord grapes