Cheiranthus perennis (S.Watson ex Coville) Greene Dataset Update on the Brassicaceae Species Checklist Rank SPECIES Published in Greene, E.L. Pittonia 3: 132. (1896). Classification family Brassicaceae genus Erysimum species Erysimum perenne Name Homonyms Cheiranthus perennis (S.Watson ex Coville) Greene