Noun: smooth crabgrass
- A weed, a low-growing, summer annual grass that spreads by seed and from rooting of the lowest joints of the stems (Digitaria ischaemum)
"Smooth crabgrass is a common lawn pest";
- Digitaria ischaemum
Type of: crab grass [N. Amer], crabgrass, finger grass
Encyclopedia: Smooth crabgrass