Brassica spp.are members of the family Brassicaceae. This family consists of over 350 genera. The Brassica genus consists of many species including napus (rutabaga and rape), oleracea (broccoli, cabbage, kale, etc.), and rapa (turnip and Chinese cabbage) to name a few. Brassica spp. are biennial crops which require two seasons to produce seed. There are more than 2000 accessions in the PGRU Brassica collection.