Goniomitrium acuminatum subsp. enerve

Asexual reproduction rarely by rhizoidal tubers. Dense clusters on soil. Stems simple or rarely forked, to c. 2 mm long, pale or reddish-brown. Leaves obovate, spathulate or ovate, (1–) 1.5–2.5 mm long, 0.3–0.8 mm wide, concave adaxially, erect-spreading when moist, moderately contorted when dry; costa usually absent, sometimes with a vestigial costa at base and discontinuously in the mid and apical parts of the leaf 1 or 2 cells wide and 2 or 3 cells long; apex broadly obtuse, often apiculate; laminal cells in apical half isodiametric, hexagonal to oblong, 20–100 μm long, 15–25 μm wide; laminal cells near base larger, oblong, 50–95 μm long, 27–32 μm wide. Seta 0.2–1 mm long, pale yellow. Capsule immersed or shortly-exserted, broadly ellipsoid to globose, c. 1 mm long, c. 0.8 mm wide. Operculum c. 0.35 mm wide. Spores (70–) 80–90 (–110) μm diameter.