in J. B. Mougeot et al., Stirp. Crypt. Vogeso-Rhen. 8: no. 724. 1823,.
Seta 5–10 mm, straight. Capsule, when mature, ovoid, 3–5 mm, stamineous to opalescent and glossy, oblique face gradually differentiated from lower face, with exterior membrane splitting longitudinally and incurved or curved outward when drying. Spores 8–12 µm.
Phenology: Capsules mature late summer–fall.
Habitat: Decorticated wood or humus banks in coniferous forests
Elevation: high (subalpine) elevations
Alta., B.C., Calif., Idaho, Mont., Oreg., Wash., Europe.