Plants small, delicate, in lax to dense tufts, bright green. Stems 0.5-1 cm, erect, simple to sparingly branched; proximal rhizoids absent or weakly developed. Leaves erect to incurved when dry, erect-spreading to spreading when moist, ovate-oblong to ligulate or ovate-lanceolate to ovate, 0.3-1 mm; margins revolute throughout or revolute proximally and plane distally, bluntly serrulate, teeth paired; apex broadly acute to rounded-obtuse; costa 7/8 leaf length or subpercurrent, distal abaxial surface rough; laminal cells obscurely to clearly prorulose at distal ends; basal cells rectangular, 25-35 × 10-15 µm; distal cells subquadrate to oblong rhomboidal, 20-30 × 10-12 µm. Specialized asexual reproduction by occasional short brood branches in distal leaf axils. Sexual condition dioicous; perigonia gemmate. Sporophytes unknown.