(Swertia perennis)

Swertia perennis is a species in the Swertia genus. This name is accepted name for the species in the family Gentianaceae tribe Gentianeae, subtribe Swertiinae, . . This species is found in Alaska, Aleutian Is., Arizona, Austria, Baltic States, Belarus, British Columbia, Bulgaria, California, Colorado, Czechoslovakia, East European Russia, France, Germany, Idaho, Italy, Japan, Manchuria, Montana, Nevada, New Mexico, North Caucasus, North European Russi, Northwest European R, Oregon, Poland, Romania, South European Russi, Spain, Switzerland, Utah, Washington, Wyoming, Yugoslavia.