Identified Scientific Name: Equisetum Arvense. Common Name: Common horsetail,bottlebrush, field horsetail, shave grass, shavetail grass,Field Horsetail, At Quyroughi, Atkuyrugu, Chieh Hsu Ts'Ao, Cola De Caballo, Equiseto Menor, Kilkah Asb, Prele, Sugina,Bottle-brush, Corn Horsetail, Dutch rushes.
Parts used:Sterile spring stems. the sterile stems (the shoots, those appearing in summer; not the brownish fertile stems that appear in early spring bearing terminal cones).