Also known as: Armstrong, Centinode, Cowgrass, Crawlgrass,Hogweed, Knotgrass, Knotweed, Ladies Thumb, None Joints, Ninety Knot, Pigrush, Pigweed, Red Robin, Sparrow's Tongue, Swynel Grass.
Magickal uses include:Bindings, healing, restricting, breaking bad habits.