Leucobryum aduncum var. scalare (C. Müll. ex Fleisch.) A. Eddy, Handl. Malesian Mosses. 2: 11, f. 170. 1990; Leucobryum scalare C. Müll. ex. Fleisch., Musci Fl. Buitenzorg 1: 143. 1904.
Leucobryum subscalare Broth. ex Vard., Rev. Bot. Bull. Mens. 29: 292. 1917.
This variety differs from Leucobryum aduncum var. aduncum by having leaves that are spirally arranged and usually closely imbricate, forming conical points at the stem and branch apices, and by having smaller leaves that are usually less than 3.5 mm long.
Type. The Philippines: Luzon, Micholitz 1973.
Chinese specimens examined: GUANGXI: Shang-si Co., P.-J. Lin et al. 2223 (IBSC). HAINAN: Ba-wang-ling (Mt.), P.-J. Lin et al. 3291 (IBSC); Diao-luo Shan (Mt.), P.-J. Lin et al. 3030 (IBSC); Jian-feng-ling (Mt.),
P.-C. Chen et al. 861B (IBSC; L, fide Yamaguchi 1993); Limuling (Mt.), Wei & Chen 22 (IBSC). YUNNAN: Xishuangbanna, W.-X. Xu 11233 (IBSC, YUKU).
Habitat: on logs, tree trunks, and rocks; Distribution: China, India, Sri Lanka, Myanmar, Cambodia, Thailand, Vietnam, Indonesia, Malay Peninsula, the Philippines, New Guinea, and New Caledonia.
Illustrations: Yamaguchi 1993 (Pls. XIX–XXII).