Oxystegus svihlae (Bartr.) Gangulee, Mosses E. India 3: 654. 1972. Tuerckheimia angustifolia (K. Saito) Zand., Misc. Bryol. Lichénol. 8: 27. 1878, nom. illeg. Gymnostomum angustifolium K. Saito, J. Hattori Bot. Lab. 36: 163, f. 1. 1972, nom. illeg.

Plants small to medium-sized, to 2.5 cm high, bright to dark green, in dense tufts. Stems erect, simple or rarely branched; central strand weakly differentiated. Leaves often crowded at stem tips, strongly crisped when dry, spreading when moist, linear-lanceolate, of nearly equal width to the base, 3–5 mm x 0.25–0.35 mm, somewhat falcate, narrowly acuminate toward apex; margins plane, entire; costa rather stout, shortly excurrent or sometimes percurrent; in cross section 2 stereid bands present; upper leaf cells small, irregularly short-rectangular or sometimes transversely elliptic, ca. 5–7 µm x 5 µm, thick-walled, distinctly papillose, papillae often multifid; basal cells enlarged, irregularly rectangular, smooth, yellowish to somewhat hyaline. Dioicous. Sporophytes not seen.

Type. Myanmar (Burma): South Shan States, Taunggyi, Svihla 3737.

Chinese specimens examined: FUJIAN: Wuyi Shan (Mt.), P.-C. Chen 250 (HKAS). JIANGSU: Yi-xing Co., D.-K. Li 278 (SHM). JIANGXI: Lu Shan (Mt.), M. Zang 216 (HKAS). JILIN: Chang-bai Shan (Mt.), D.-K. Li 9820 (SHM). SHAANXI: Tai-bai Shan (Mt.), Z.-P. Wei 6594 (HKAS). SICHUAN: Omei Shan (Mt.), D.-K. Li 16078 (SHM). XIZANG: Long-zi Co., San-an-qu-lin, M. Zang 1361, 1375, 1386 (HKAS). YUNNAN: Li-jiang Co., G.-M. Feng 9475 (HKAS). ZHEJIANG: Tian-mu Shan (Mt.), M. Zang 57003 (HKAS).

Habitat: on calcareous soil; Distribution: China, Korea, Japan, India, and Myanmar.

Illustrations: Zander 1993 (Pl. 14, figs. 1–7).