witchgrass
     n 1: north american grass with slender brushy panicles; often a
          weed on cultivated land syn: witch grass, old
          witchgrass, old witch grass, tumble grass, panicum
          capillare
     2: european grass spreading rapidly by creeping rhizomes;
        naturalized in north america as a weed syn: dog grass,
        couch grass, quackgrass, quack grass, quick grass,
         witch grass, agropyron repens
see also:
witch grass old witchgrass old witch grass tumble grass panicum capillare dog grass 
couch grass quackgrass quack grass quick grass agropyron repens