Alpine Clubmoss: Diphasium alpinum
- Description of this glaucous species, also known as Lycopodium alpinum, and two photographs.
- http://www.plant-identification.co.uk/skye/lycopodiaceae/diphasiastrum-alpinum.htm

Diphasiastrum alpinum
- Image from Finland of D. alpinum (L.) J. Holub (= Lycopodium alpinum L.; Diphasium alpinum (L.) Rothm.)
- http://www.nic.funet.fi/pub/sci/bio/life/plants/pteridophyta/lycopsida/lycopodiaceae/diphasiastrum/alpinum.jpg