Cnidium monnieri (L.) Cusson ex Juss., Monnier's snowparsley, is a flowering plant species in the genus Cnidium. Also known as Shechuangzi, Osthole, Jashoshi, Cnidii Fructus (Fruits of Cnidium).It may be confused with Bacopa monnieri, , (both similar but different plants).The coumarins osthol, imperatorin and xanthotoxol can be found in C. monnieri.