Common Clubmoss, Elk-moss, Ground Pine, Running Clubmoss, Running Pine, Stag-moss
Lycopodium clavatum
Synonyms: Lycopodium clavatum var. integrifolium, Lycopodium clavatum var. subremotum

The photo above shows a close-up of the prostrate
stem of running clubmoss with the narrow leaves 6-10 ranked, the individual
leaves often greater than 4 mm long. Photographed along forest road #23 at the
trailhead for the Riley Trail #64 on the western slopes of Mt. Adams.........October
14, 2005.
Paul Slichter