Brassica oleracea subsp. caulorapa (DC.) Metzg. Dataset Update on the Brassicaceae Species Checklist Rank SUBSPECIES Published in Metzger, J. Syst. Beschr. Kult. Kohlart.: 33. (1833). Classification family Brassicaceae genus Brassica Name Homonyms Brassica oleracea subsp. caulorapa (DC.) Metzg. Brassica oleracea var. caulorapa DC.