Acorus calamus
This Shangqing text records a widely quoted recipe, attributed to Zhou Yishan, for killing the Three Worms/Corpses. It combines 7 drugs: 7/10 of a bushel of hemp-seeds, 7 ounces of "Smilax", 6 ounces of "Rehmannia glutinosa", 5 ounces of aconite, 5 ounces of cloud-shaped agaric mushrooms, 4 ounces of cinnamon, and a 7-inch long "Zanthoxylum" root. Then, one boils a root of "Acorus calamus" in 1 1/2 bushels of wine to produce pure essential liquor.