yellow rocket vs Barbarea vulgaris

yellow rocket and Barbarea vulgaris both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow rocket	Yes	No	No	No
Barbarea vulgaris	Yes	No	No	No

As nouns, yellow rocket and Barbarea vulgaris are synonyms defined as:

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

Other synonyms of yellow rocket include rockcress, rocket cress, Sisymbrium barbarea.

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