23. Sphagnum multifibrosum X.-J. Li & M. Zang 多纹泥炭藓 duo-wen ni-tan xian
Acta Bot. Yunnan. 6(1): 77. 1984. Type. China: Xizang, Ya-dong Co., A-sang Hou Shan (Mt.), alt. 2300–3200 m., M. Zang 195 (holotype KUN); M. Zang 127 (paratype KUN).
Plants robust, larger than 10 cm high, pale green tinged with yellow, in large compact tufts. Stem cortex in 2–3 layers, hyaline cells large, fibrillose and porose; central cylinder yellowish brown. Stem leaves 3.8–4.3 mm × 1.2–1.5 mm, flat, oblong-ligulate, rounded obtuse, lacerate or irregular dentate at the apex; borders hyaline; hyaline cells oblong-rhomboidal to linear-rhomboidal, densely fibrillose and porose, similar to those of branch leaves. Branches in fascicles of 4–5, with 2 spreading, hyaline cells 1 layer, large and thin-walled. Branch leaves ca. 2 mm × 1.8–2.0 mm, broadly ovate to oblong-ovate, strongly concave, margins cucullate and rounded at the apex; hyaline cells irregularly oblong-rhomboidal, densely fibrillose, with half-circular pores at opposite ends on the dorsal surface, rarely with pores on the ventral surface; green cells in cross section isosceles-triangular, exposed on the ventral surface, enclosed by large, hyaline cells on the dorsal surface. Dioicous. Sporophytes not seen.