- Berteroa incana is an annual, biennial, or perennial in the mustard family growing 1-3 ft. (0.3-0.9 m) tall.
- Stems are gray-green and hairy with many branches near the top. Alternate leaves are gray-green, hairy, alternate, oblong, narrow, 0.5-3 in. (1.3-7.6 cm) long, with smooth edges.
- White flowers with 4 deeply divided petals are produced in long raceme.
- Seed pods are hairy, swollen, and oblong with short beaks on the end. Oblong seeds are rough, dull gray-brown. It reproduces and spreads by seeds.
- Ecological Threat
- Spreads rapidly due to the high number of seeds per plant. The plant emerges early in spring and continues to flower and produce seed until frost. It can cause toxicity to horses.
University of Massachusetts Amherst Extension 
Michigan State University Diagnostic Services 
University of California, Jepson Flora Project 
Montana State University Extension 
Montana Weed Control Association 
New England Wild Flower Society 
USDA NRCS PLANTS 
USDA ARS GRIN 
Images from Bugwood.org