Brassica perviridis vs spinach mustard

Brassica perviridis and spinach mustard both are nouns.

Word	Noun	Adjective	Verb	Adverb
Brassica perviridis	Yes	No	No	No
spinach mustard	Yes	No	No	No

As nouns, Brassica perviridis and spinach mustard are synonyms defined as:

Brassica perviridis and spinach mustard: Asiatic plant cultivated for its swollen root crown and edible foliage

Other synonyms of Brassica perviridis include Brassica rapa perviridis, tendergreen.

Brassica perviridis (noun)	spinach mustard (noun)
Asiatic plant cultivated for its swollen root crown and edible foliage	Asiatic plant cultivated for its swollen root crown and edible foliage