Arctic Stag'S-Horn Clubmoss
Lycopodium lagopus Zinserl. ex Kuzen.

Lycopodium lagopus is a species in the Lycopodiaceae family, found in arctic and subarctic regions. It is distributed across Canada, Greenland, Russia, Scandinavia, and the northern United States, including Alaska.
Description
Lycopodium lagopus, known as Arctic Stag's-Horn Clubmoss, is a plant species in the Lycopodiaceae family. It is native to arctic and subarctic areas, with a distribution spanning Greenland, Labrador, Newfoundland, Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Northwest Territories, Nunavut, Ontario, Prince Edward Island, Quebec, Saskatchewan, Yukon, Saint Pierre and Miquelon, Vermont-US, Alaska, and Altay. This species was first described in 1953 by Zinserl. ex Kuzen.
Other common names
Arctic Stag'S-Horn ClubmossOne-Cone ClubmossOne-Cone Ground-PinePtarmigan Clubmoss
Distribution
Greenland · Labrador · Newfoundland · Alberta · British Columbia · Manitoba · New Brunswick · Nova Scotia · Northwest Territories · Nunavut · Ontario · Prince Edward Island · Quebec · Saskatchewan · Yukon · Saint Pierre and Miquelon · Vermont-US · NO · Alaska · Altay · Austria · Buryatiya · Chita · Connecticut · East European Russia · Finland · Great Britain · Illinois · Irkutsk · Italy
Synonyms
Lycopodium clavatum subsp. monostachyonLycopodium clavatum var. lagopusLycopodium clavatum f. lagopusLycopodium integrifoliumLycopodium clavatum subsp. megastachyonLycopodium clavatum var. brevispicatumLycopodium clavatum var. integerrimumLycopodium clavatum var. integrifoliumLycopodium clavatum var. megastachyonLycopodium clavatum var. monostachyonLycopodium clavatum var. monostachyumLycopodium clavatum var. integrifoliumLycopodium clavatum f. furcatumLycopodium pseudoannotinumLycopodium clavatum f. monostachyumLycopodium clavatum var. monostachyumLycopodium clavatum subsp. lagopus