General: Prostrate, freely branching, matted plant with creeping stems 5-20 cm long, ultimate branches short, their tips turning upward slightly. Leaves: Arranged dorsiventrally in about 6 ranks, bright green when young, grayish in age; dorsal leaves smaller than ventral ones, closely imbricated, subulate, 1.8-2.2 mm long, with 4-8 cilia on each side, terminal seta milk-white, 0.1-0.3 mm long, ventral leaves linear-lanceolate, cilia on each side. Sporangia: Strobili ascending, 2-6 mm long, sporophylls narrowly ovate, 1.5-2 mm long, subcarinate, short-setigerous, with 18-22 cilia on each side, megasporangia pale yellow. Ecology: Found on rocky hillsides and among rocks, along rocky ledges and cliffs from 2,000-4,500 ft (610-1372 m). Notes: This species can be distinguished by its being strongly dorsiventral, with both an upper and lower surface.

Sabino Canyon Recreation Area.
Location: Bluff Trail.
1/11/17

Notes: Fourth image compares Rockloving Spikemoss to Arizona Spikemoss.

See SEINet Pictures and Description