in C. Milde, Bryol. Siles., 49. 1869,.
Leaves crisped and incurved when dry, margins plane to narrowly incurved or recurved at middle, 1-stratose except on margins in distal half, cells smooth; alar cells undifferentiated. Specialized asexual reproduction frequent, multicellular gemmae frequent on abaxial surface of leaves. Capsule with annulus of 1–3 rows of somewhat separating cells; peristome smooth basally, papillose distally.
Phenology: Capsules mature late fall–winter.
Habitat: Forming short turf or tufts on tree trunks and decorticated logs, rarely in rock crevices
Elevation: 1-1900 m
B.C., Alaska, Ariz., Calif., Idaho, Mont., Oreg., Wash., Asia, n Africa.