Osmorhiza berteroi
 Osmorhiza berteroi is a species of flowering plant in the carrot family known by the common name mountain sweet cicely. It is native to much of western and northern North America as well as Argentina and Chile where it grows in wooded and forested areas. It is an aromatic perennial herb producing a branching stem which may exceed a meter tall. The plentiful green leaves have blades up to 20 centimeters long which are divided into three toothed or lobed leaflets.