Octoblepharum octoblepharioides (Brid.) Mitt., Rep. Sci. Res. Voyage Challenger Bot. 1(4): 259. 1885.

Plants medium-sized, to 3.5 cm high, whitish to grayish green, in dense or loose tufts. Stems erect, simple or branched. Leaves crowded, erect-spreading to recurved-patent, more or less twisted when dry, easily falling off, linear-lanceolate, 5–8 mm × 0.3–0.6 mm, flat above, more or less keeled below, obtuse to apiculate at the apex; margins distinctly bordered, with 3–4 rows of linear and hyaline cells throughout, entire below, serrulate above the middle, serrate near the apex; costae more or less serrate on the dorsal side in the upper parts of leaves, costal leucocysts often in 2-layers sometimes in 3-layers near leaf base, chlorocysts in cross section quadrangular. Gemmae common at the leaf apex. Dioicous. Sporophytes not seen.

Type. Indonesia: Java, Nees v. Esenbeck s.n.

Chinese specimens examined: GUANGDONG: Zhaoqing City, Dinghu Shan (Mt.), P.-J. Lin 061, 227 (IBSC). HAINAN: Wuzhi Shan (Mt.), P.-J. Lin 2509 (IBSC); Diaoluo Shan (Mt.), P.-J. Lin et al. 3258 (IBSC). TAIWAN: Tai-dong Co., S.-H. Lin s.n. [Bryophytes of Taiwan Exsiccatae No. 80, 128, 225] (MO, NICH); Tai-pei Co., S.-H. Lin s.n. [Bryophytes of Taiwan Exsiccatae No. 129] (MO, NICH). YUNNAN: He-kuo Co., W.-M. Zhu 9620 (YUKU).

Habitat: on decaying trees or rocks; Distribution: China, Japan, India, Sri Lanka, Myanmar, Thailand, Vietnam, Indonesia, Malaysia, the Philippines, New Guinea, the Pacific Islands, and Australia.

Illustrations: C. Gao (ed.) 1994 (Pl. 148, figs. 7–9).