Barbarea vulgaris vs Sisymbrium barbarea

Barbarea vulgaris and Sisymbrium barbarea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Barbarea vulgaris	Yes	No	No	No
Sisymbrium barbarea	Yes	No	No	No

As nouns, Barbarea vulgaris and Sisymbrium barbarea are synonyms defined as:

Barbarea vulgaris and Sisymbrium barbarea: noxious cress with yellow flowers; sometimes placed in genus Sisymbrium

Other synonyms of Barbarea vulgaris include rockcress, rocket cress, yellow rocket.

Barbarea vulgaris (noun)	Sisymbrium barbarea (noun)
noxious cress with yellow flowers; sometimes placed in genus Sisymbrium	noxious cress with yellow flowers; sometimes placed in genus Sisymbrium