2. Fabronia angustifolia C. Gao & X. Fu in P.-C. Wu 狭叶碎米藓 xia-ye sui-mi xian
Fl. Bryophyt. Sin. 6: 88. 2001. Type. China: Xizang, Long-zhi, Jia-yu, M. Zang 1126 (holotype HKAS; isotype IFSBH).
Plants slender, yellowish green, weakly shinning. Stems creeping, 3–5 mm long, ascending at apex, irregularly branched, branches 1–2 mm long, ascending; rhizoids sparse, loosely on stems. Leaves imbricate, remote at lower part of stems, broadly ovate-lanceolate, 0.3–0.6 mm × 0.10–0.15 mm, ciliate at apex; margins plane, ciliate, with cilia consisting of 2–5 cells; costa slender, up to 3/4 the leaf length or sometimes percurrent, long spinulose on the back; upper leaf cells linear or narrowly rhomboidal, 30 µm × 95 µm; alar cells quadrate or rectangular, in 3–4 rows of cells. Autoicous. Male inflorescences mostly on lateral branches; perigonial leaves few, shortly ciliate at margin. Female inflorescences on lateral branches; perichaetial leaves broad at base, rarely ciliate at margin. Setae slender, yellowish green, 1.0–1.5 mm long; capsules ovoid to shortly cylindrical; peristome and annuli absent; opercula conic, shortly rostrate. Spores 20–25 µm in diameter, smooth.