Bristly Clubmoss, Common Club Moss, Stiff Clubmoss
Lycopodium annotinum
Synonyms: Lycopodium annotinum ssp. alpestre, Lycopodium annotinum ssp. pungens, Lycopodium annotinum var. acrifolium, Lycopodium annotinum var. alpestre, Lycopodium annotinum var. pungens, Lycopodium dubium

Common club moss as seen in Denali National Park and Preserve....................August, 2006.
Paul Slichter