1. old witch grass, old witchgrass, panicum capillare, tumble grass, witch grass, witchgrass

North American grass with slender brushy panicles; often a weed on cultivated land

Synonyms

• old witch grass
• old witchgrass
• panicum capillare
• tumble grass
• witch grass

2. agropyron repens, couch grass, dog grass, quack grass, quackgrass, quick grass, witch grass, witchgrass

European grass spreading rapidly by creeping rhizomes; naturalized in North America as a weed

Synonyms

• agropyron repens
• couch grass
• dog grass
• quack grass
• quackgrass
• quick grass
• witch grass