Subspecies and Distribution. M. n. nivalis Linnaeus, 1766 — China, North and South Korea, Mongolia, Russia, Taiwan, and Scandinavia. M. n. allegheniensis Rhoads, 1900 — NE USA (Allegheny Mts W to Wisconsin). M. n. boccamela Bechstein, 1800 — Corsica, Italy, Portugal, Sardinia, Sicily, and Spain. M. n. campestris Jackson, 1913 — C Great Plains, USA. M. n. eskimo Stone, 1900 — Alaska and NW Canada (Yukon). M. n. namiyer Kuroda, 1921 — Japan and the Kurile Is. M. n. numidica Pucheran, 1855 — N Africa. M. n. rnixosa Bangs, 1896 — Canada and N Great Plains of USA. M. n. vulgaris Erxleben, 1777 = W & C Europe and most of C Eurasia. Introduced to New Zealand, Malta, Crete, the Azores Is, and apparently also Sao Tome I. in Mustelidae

Subspecies and Distribution. M. n. nivalis Linnaeus, 1766 — China, North and South Korea, Mongolia, Russia, Taiwan, and Scandinavia. M. n. allegheniensis Rhoads, 1900 — NE USA (Allegheny Mts W to Wisconsin). M. n. boccamela Bechstein, 1800 — Corsica, Italy, Portugal, Sardinia, Sicily, and Spain. M. n. campestris Jackson, 1913 — C Great Plains, USA. M. n. eskimo Stone, 1900 — Alaska and NW Canada (Yukon). M. n. namiyer Kuroda, 1921 — Japan and the Kurile Is. M. n. numidica Pucheran, 1855 — N Africa. M. n. rnixosa Bangs, 1896 — Canada and N Great Plains of USA. M. n. vulgaris Erxleben, 1777 = W & C Europe and most of C Eurasia. Introduced to New Zealand, Malta, Crete, the Azores Is, and apparently also Sao Tome I.