Families:
Orthotrichaceae.
BotanyPlants tomentose. Acrocarpous (Aulacomnium) or pleurocarpous. Central strand present. Leaves cells rounded-hexagonal, smooth or papillose Costa present. Di- or autoicous. Perichaetia lateral.
Seta present. Capsule often striate to sulcate. Annulus present. Operculum present. Calyptra cucullate Gemmae-bearing pseudopodia (Aulacomnium). Predominantly temperate.