Diphasiastrum alpinum
http://www.funet.fi/pub/sci/bio/life/plants/pteridophyta/lycopsida/lycopodiaceae/diphasiastrum/alpin
Image from Finland of D. alpinum (L.) J. Holub (= Lycopodium alpinum L.; Diphasium alpinum (L.) Rothm.)
Diphasiastrum digitatum
Photographic image from Canada of D. digitatum (A. Br.) Holub (= Lycopodium digitatum A. Br.; L. flabelliforme (Fern.) Blanch.)