R.Br., Panicum pumilum Poir. Nees, Setaria glauca var. Simple to loosely tufted summer annuals with bristly spike-like panicles . These species are often associated with agriculture and are widely distributed throughout much of the world. The seeds are a valuable food source for numerous bird species.
Immature plants are palatable to livestock.
All utilize the C4 photosynthetic pathway. They are introduced from Europe. It is one of the most troublesome weeds in the Midwestern Corn Belt region, but remains uncommon in western states at publication time. First leaves are typically parallel to the ground. Except for blade lengths, vegetative characteristics resemble those of mature plants.