1c. Hymenostylium recurvirostrum var. insigne (Dixon) E.B. Bartram 立膜藓硬叶变种 li-mo xian ying-ye bian-zhong
Philipp. J. Sci. 68: 106, 430. 1939. Gymnostomum insigne (Dixon) A. J. Smith, J. Bryol. 9: 279. 1976. Weissia recurvirostris var insignis Dixon, J. Bot. 40: 377. 1902. Type. Scotland.
Gymnostomum subrigidulum (Broth.) P.C. Chen, Hedwigia 80: 58. 1941. Barbula subrigidula Broth., Symb. Sin. 4: 41. 1929. Type. China: Yunnan, Li-jiang Co., Yu-long Snow Mt., Handel-Mazzetti 6656 (holotype H).
Plants medium-sized, to 30 mm high, yellowish green, in dense tufts. Stems erect, usually branched; central strand absent. Leaves involute to contorted when dry, erectopatent when moist, lanceolate to ovate-lanceolate, 1.1–2.0 mm × 0.3–0.5 mm, somewhat sheathing at the base, gradually acuminate toward a blunt apex; margins entire, more or less revolute; costa stout, percurrent; upper leaf cells rounded quadrate or pentagonal to hexagonal, 6–12 µm × 6–18 µm, pluripapillose, thin-walled; basal cells rectangular, 14–29 µm × 8–14 µm, smooth. Dioicous. Setae ca. 10 mm long, reddish; capsules erect, oblong-ovoid.