fox grape vs Vitis labrusca

fox grape and Vitis labrusca both are nouns.

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

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

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

fox grape (noun)	Vitis labrusca (noun)
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
native grape of northeastern United States; origin of many cultivated varieties e.g. Concord grapes