Missouri Weed Seeds - Page 13
Brassicaceae (Mustard family)
Broadleaf plant family
The mustard family is one of the larger groups of plants in the state. Several plants within this family, such as yellow rocket and wild mustard, are common throughout Missouri.
Descurainia pinnata ssp. brachycarpa
For an idea of relative seed size, each photo contains a millimeter ruler. The distance between increments is 1 mm.