Centrolepis muscoides (Hook.F.) Hieron.

Herb, erect, loosely tufted, 1–4 cm high. Leaves equitant, distichous in a suberect fan-shaped cluster, glabrous; sheath 2–6 mm long, with imbricate hyaline margins; lamina subterete, 2–9 mm long, 0.2–0.4 mm wide. Uppermost 1 or 2 leaves with shorter laminae but not cataphyllous. Scape terete at the base, flattened distally, 1–2.5 cm long, glabrous. Heads terete, cylindric, c. 1 mm wide, gaping. Primary bracts opposite, sheathing, glabrous; outer bract with a basal sheath 3–4 mm long and a subulate lamina c. 0.5 mm long; inner bract 2.7–3.7 mm long. Secondary bracts absent. Pseudanthia 2–5, 1 or 2 bisexual, others lacking stamen. Stamen free; anther c. 1 mm long. Carpels 5–8; styles connate at the base; papillae simple, minute. Seed fusiform, c. 0.5 mm long.

Grows around margins of lakes and streams in sandy alluvium with mosses, persisting as a perennial where covered by water in winter.