Plants: to 6 cm, in thin mats, green to yellow-green. Stems: irregularly branched, smooth; paraphyllia, when present, squamiform. Leaves: ovate, to 1.6 mm; margins serrate, limbidium indistinctly present; apex long, narrow, hair-point present; costa ending before apex, abaxial surface smooth; distal medial laminal cells short, isodiametric, 6–8 µm, multipapillose. Seta: 1–1.5 cm, rough. Capsule: inclined to horizontal, broadly oval to suborbicular, 1.2–1.8 mm; operculum long-rostrate. Spores: 12–15 µm, smooth.
Rock, soil over rock. moderate to high elevations. Alta., B.C., Alaska, Calif., Idaho, Mont., Oreg., Wash., e Asia (Russia [Commander Islands]). Discussion.