About 20 species, including:
- C. abyssinica
- C. cordifolia
- C. hispanica
- C. koktebelica
- C. kotschyana
- C. maritima (seakale)
- C. orientalis
- C. tatarica
Crambe is a genus of Brassicaceae native to Europe, southwest and central Asia and eastern Africa. It includes among its species seakale (Crambe maritima), grown as a leaf vegetable, and Crambe abyssinica , which is grown for an oil from the seeds that has similar characteristics to whale oil.