独行菜属（学名：Lepidium）是十字花科下的一个属，为一年生至多年生草本或半灌木植物。该属共有约150种，遍布于全球。

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. Some species form tumbleweeds.