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witch grass, witchgrass, old witchgrass, old witch grass, tumble grass, Panicum capillare | North American grass with slender brushy panicles; North American grass with slender brushy panicles; often a weed on cultivated land ❲Panicum capillare❳ | ||
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dog grass, couch grass, quackgrass, quack grass, quick grass, witch grass, witchgrass, Agropyron repens | European grass spreading rapidly by creeping rhizomes; European grass spreading rapidly by creeping rhizomes; naturalized in North America as a weed ❲Agropyron repens❳ |