Plants in thin turfs or scattered. Stem 0.5-6 mm, central strand present. Leaves forming a rosette, lingulate, suborbicular or deltoid, deeply concave, 0.5-2.8 mm, infolded, partly 2-stratose, base auriculate, sheathing, margins entire to irregularly crenulate distally, apex cucullate, mucronate or piliferous; costa broad, percurrent to long-excurrent, in section hydroids absent, stereid band abaxial, occasionally wanting, filaments present on costa and adjacent 2-stratose area of leaf blade, filament cells cylindrical to subspheric, thin-walled, terminal cell subspheric to nearly conic, with an apical thickening; cells of leaf base thin-walled, rectangular, sometimes differentiated marginally, medial and distal leaf cells thick-walled, mostly transversely elongated, smooth. Sexual condition monoicous or dioicous, perigonia distinct, with noncucullate unfolded leaves, perichaetia sometimes partly differentiated, the inner leaves with unfolded blades. Seta 4.5-17 mm. Capsule cylindric to ovoid-cylindric, erect or slightly inclined, annulus of 1-2 rows of vesiculose cells, deciduous or persistent, operculum conic to long-rostrate, erect or inclined, peristome generally long and twisted, papillose, with a basal membrane. Calyptra cucullate. Spores spheric, finely papillose, 9-25 µm.
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