Sp. Musc. Frond., 166. 1801,.
Seta 4–11 mm, straight. Capsule, when mature, broadly ovoid, 3–7 mm and nearly as wide, rich, glossy, chestnut brown, upper face flattened and sharply differentiated from lower face by a dark brown ridge, oblique or nearly at right angles to seta. Spores 6–8 µm.
Phenology: Capsules mature late spring–fall.
Habitat: Decaying wood, humus, sometimes shallow acid soil and soil depressions on rock outcrops, mainly in well-illuminated to somewhat shaded sites, low to moderate elevations
Alta., B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Alaska, Calif., Colo., Conn., Del., Ill., Iowa, Maine, Mass., Mich., Mont., N.H., N.J., N.Y., N.C., Oreg., Vt., Va., Wash., Europe, Asia, Pacific Islands (New Zealand).