Crossidium davidai

Autoicous or dioicous. Dense turves on soil. Stems to 2 mm long, branched. Leaves erect or erecto-patent when moist, twisted to slightly imbricate when dry, ovate-oblong to oblong-spathulate, 0.8–2 mm long, 0.4–0.8 mm wide, concave; apices obtuse to rounded; costae excurrent in a short mucro; filaments 1–4 (–5) cells long, terminal cells with 4–8 mamillae; margins entire, revolute to recurved, with 2 rows of smooth and transversely rectangular cells forming a border; laminal cells in apical half quadrate to rectangular, 10–20 μm long, 12–16 μm  wide, papillose, pluripapillose or smooth; basal cells rectangular, 18–50 μm long, smooth. Setae 5–9 mm long, pale brown. Capsules ovoid or ellipsoid, 0.8–2.3 mm long. Opercula conic, 0.25–0.5 mm long. Peristome of 32 twisted filaments.