Other common names
armstrong, birdweed, centinode, crabweed, doorweed, dooryard weed, hundred-knot, iron grass, knotgrass, ninety-knot, ninety-knot grass, pinkweed, sidewalk weed, sparrow tongue, stoneweed, swine's grass, way grass, wireweed, beggarweed, bird's tongue, cow grass, crab grass, goose grass, knotweed, wire grass, canclwm