Brassicales (weeds) - Brassicaceae (weeds)
The plant order of Brassicales and the mustard family of Brassicaceae are large and important groups of eudicots and include many weeds. The Brassicaceae contain 3-4,000 species, many of them are crops like cabbage or raddish but others are common and aggressive weeds.
Most are herbaceous plants. The flowers have the characteristic shape of four free petals in a cross-like arrangement with six stamens. The fruits are a specific type of capsule and the alternate leaves do not have stipules.
For details see the respective page in Wikipedia.
The following genera and individual weed species are currently entered under this family: