Erysimum decumbens subsp. decumbens (Schleich. ex Willd.) Dennst. Dataset Update on the Brassicaceae Species Checklist Rank SUBSPECIES Published in Dennstedt, A.W. NA Classification family Brassicaceae genus Erysimum species Erysimum humile Name Homonyms Erysimum decumbens subsp. decumbens (Schleich. ex Willd.) Dennst.