Brassica nigra (Black Mustard) is a species of annual herb in the family crucifers. They have a self-supporting growth form. They are associated with freshwater habitat. They are native to Western North America. They have simple, broad leaves and loculicidal capsule fruit. Flowers are visited by Halictus farinosus, Hyaline Masked Bee, Coronis Fritillary, and Syrphid fly. Individuals can grow to 0.74 m.
EOL has data for 30 attributes, including: