Lycopodium lagopus, commonly known as one-cone club-moss, is an arctic and subarctic species of plants in the genus Lycopodium in the clubmoss family. It is widespread in cold, northerly regions: Canada, Greenland, Russia, Scandinavia, and the northern United States including Alaska.Czerepanov, S. K. 1981. Sosudistye Rasteniia SSSR 509 pages. Nauka, Leningradskoe Otd-nie, Leningrad. Lycopodium lagopus - Ferns in Britain and Ireland - Roger Golding photos in ScotlandAlaska Wildflowers photosLycopodium lagopus - Плаун куропаточий photo from Murmansk region of European RussiaAltervista Flora Italiana, Lycopodium clavatum subsp. monostachyon (Grev. & Hook.) Selander
Lycopodium lagopus is very similar to L. clavatum except that it rarely has more than one cone per stem. There has been no evidence of the two interbreeding, even though they can sometimes be found growing next to each other.Flora of North America, Lycopodium lagopus (Laestadius ex C. Hartman) G. Zinserling ex Kuzeneva Prochorova, 1953. One-cone club-moss, lycopode patte-de-lapin
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