Japanese Stiltgrass, an exotic invasive grass species introduced into the U.S. in Tennessee in 1919, has invaded our landscapes with a vengeance recently.  Since this annual grassy weed is well adapted to low sunlight, it will invade disturbed shaded areas near woods.  Deer avoid foraging on this species in the woodlands, thus hastening its spread.  A single plant is able to produce 100-1000 seeds, which ...