Synonyms for Rockcress:

n.

plant (noun)
Sisymbrium Barbarea, rocket cress, yellow rocket, Barbarea Vulgaris.
rockcress (noun)
rocket cress, Sisymbrium Barbarea, rock cress, Barbarea Vulgaris, yellow rocket.

Other synonyms:

Sisymbrium barbarea
Sisymbrium Barbarea.