11. Pohlia hyaloperistoma D.-C. Zhang, X.-J. Li & Higuchi 明齿丝瓜藓 ming chi si gua xian
Acta Phytotax. Sin. 40(2): 176. 2002. Type: China. Yunnan, De-qing Co., Mt. Baimaxueshan, alt. 4100 m, under bushes, D.-C. Zhang 489 (holotype HKAS).
Plants small, ca. 10 mm high, yellowish green or somewhat dark reddish brown, in tufts. Stems erect, simple or branched at base. Leaves appressed or somewhat curly when dry, spreading when moist, oblong-lanceolate, 1.5–1.7 mm × 0.45–0.55 mm; margins slightly recurved, serrate above the middle; costae strong, nearly percurrent; median leaf cells linear, 70–152 µm × 7.5–14 µm, borders not differentiated; basal cells rectangular. Gemmae absent. Autoicous. Setae stiff, 12–18 mm long; capsules dark brown, inclined to horizontal or slightly pendulous, oblong-pyriform or club-shaped, mouth narrower than urn; neck differentiated, shorter than urn; opercula conic, shortly apiculate, papillose; peristome double; exostome teeth broad at base, obtuse at apex, shorter than the segments, smooth; endostome segments slender, perforate; basal membrane very low, ca. 1/6 the length of teeth; cilia absent. Spores spherical, ca. 24 µm in diameter, brownish, papillose.