Mustela erminea Linnaeus, 1758 . Syst. Nat., 10th ed., 1:46.

TYPE LOCALITY: Sweden .

DISTRIBUTION: Tundra and forested regions of Palearctic, south to the Pyrenees, Alps, Caucasus, W. Himalayas, Sinkiang (China); N. Mongolia, N. China; and C. Honshu (Japan), and in the Nearctic south to C. California, N. New Mexico, N. Iowa, and Maryland (U.S.A.).

ISIS NUMBER: 5301412004007003001.