brassica species pepperweed plant Lepidium is a genus of plants in the mustard/cabbage family, *Brassicaceae*. The genus is widely distributed in the Americas, Africa, Asia, Europe, and Australia. It includes familiar species such as garden cress, maca, and dittander. General common names include peppercress, peppergrass, and pepperwort. [https://en.wikipedia.org/wiki/Lepidium] lepidium spp. peppercress peppergrass pepperwort requires discussion