Plants small, green to yellow-green. Stems 0.4-2(-3) cm; rhizoids pale tan to brown. Leaves loosely set, ovate-lanceolate, weakly concave, 0.4-1.5(-2) mm; base not decurrent; margins plane to weakly revolute proximally, serrulate distally, limbidium absent; apex acute to acuminate; costa short-excurrent, awn slender; alar cells similar to adjacent juxtacostal cells; proximal laminal cells gradually short-rectangular, (1-)2:1; medial and distal cells 40-60 × 10-14(-16) µm, 3-4:1. Specialized asexual reproduction by rhizoidal tubers, on long rhizoids in soil, red to crimson, irregularly spheric, 60-100(-120) µm, cells 20-30 µm, distinctly protuberant. Sexual condition dioicous. [Capsule inclined or nutant, 2-4 mm].
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