Plants 3-15(-20) mm, in dense cushions, dark olive, yellow-green, or dull green to olivaceous. Leaves broadly ovate to obovate, concave or somewhat keeled, margins plane, smooth or weakly serrate to erose distally, distal lamina mostly 1-stratose, rarely with 2-stratose streaks, specialized laminal and marginal chlorophyllose structures absent, awn short to twice lamina length, distal leaves typically with longer awns; basal cells elongate-rectangular to oblong, with straight, somewhat lax, sometimes weakly hyaline walls; mid leaf and distal cells isodiametric, oval to irregularly rhomboidal; distal cells becoming hyaline with age. Gemmae absent. Sexual condition autoicous or rarely cryptoicous; perichaetial leaves enlarged, long-awned. Seta short, straight. Capsule erect, immersed, symmetric, globose to ovoid; annulus differentiated, typically persistent; operculum conic, short to long-rostrate, falling detached from columella. Calyptra campanulate, mitrate, sometimes erose or lobed at base, large, covering 1/2-3/4 of capsule, plicate.
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