Plants small to large, green, yellow-green, golden yellow, or golden brown, glossy or dull. Stems0.3-5 cm, not complanate-foliate, irregularly branched. Leaves erect-spreading to falcate-secund, often homomallous, oblong-lanceolate, oblong-ovate, or ovate; margins entire; apex acute to acuminate; ecostate or costa double; alar cells elongate, somewhat to strongly enlarged and inflated, pigmented or rarely unpigmented, walls thin, region in 1-several rows, middle lamella not apparent, supra-alar cells differentiated; laminal cells rhomboidal, elliptic, or flexuose, smooth. Sexual condition autoicous [dioicous]. Seta 0.4-2 cm. Capsule inclined to horizontal or rarely erect, short-cylindric; exothecial cell walls collenchymatous; operculum rostrate.
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