Plants green to tan. Stem central strand present or absent, sclerodermis commonly poorly differentiated, hyalodermis commonly present. Leaves lanceolate to linear, apex acute, margins plane to weakly incurved or involute; distal laminal cells if 2-stratose stacked directly over one another, walls smooth or papillose, KOH yellow, occasionally orange; costa lacking a differentiated abaxial epidermis; gemmae uncommon, when present seldom clavate. Peristome present or absent.

Distribution

Worldwide.

Discussion

Genera 21 (7 in the flora).

Selected References

None.

Lower Taxa

Aschisma, Eucladium, Pleurochaete, Tortella, Trichostomum, Tuerckheimia, Weissia