Descurainia

1. Plants green, with sparse stellate but numerous short gland-tipped hairs; mature fruit ca. (0.4–) 0.7–1 cm long, septum not veined.

D. pinnata

1. Plants ± whitened with dense mostly stellate hairs, but without glandular hairs; mature fruit 1.2–3 cm long, septum with a central band appearing as 2 or 3 veins.

D. sophia

All species found in Descurainia

Descurainia pinnataTANSY MUSTARD 
Descurainia sophiaFLIXWEED 

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. July 25, 2017. http://michiganflora.net/genus.aspx?id=Descurainia.