Weedy annual plant. Leaves have a prominent stem lined with small, deeply lobed leaflets. Forms a low-growing rosette of foliage. Tiny white flowers with 4 petals are displayed on erect, 12" stems. Reproduces by seed. Long, narrow seed pods are typical of the brassica (mustard) family. Closely resembles hairy bittercress but can be distinguished by narrow leaf segments and larger, flat seed pods. Seeds have winged margins. Native to North America.