Leucobryum bowringii Mitten 1859

Plants small to medium-sized, 1–2 cm high, grayish green, often lustrous, in soft and dense tufts. Stems erect, simple or branched; central strand present. Leaves densely tufted on rather short stems, flexuose or contorted when dry, falling off easily, oblong-ovate to oblong-elliptic at base, lanceolate to linear-lanceolate above, gradually narrowed to subtubulose apices from oblong base; costa thin, filling almost the entire leaf acumina, dorsal side of leaf acumina smooth; in cross section, chlorocysts quadrangular, leucocysts in 1–2 layers on both sides of chlorocysts; laminal cells 5–9 (–12) rows of rectangular to linear cells near leaf base, often thick-walled, porous, only 1–2 rows of linear cells above, forming indistinct borders. Dioicous. Setae slender, reddish, to 2 cm long; capsules horizontal to inclined, ovoid to ellipsoid; opercula conic-rostrate with long beak; annuli none; peristome teeth 16, divided from tips to the middle, papillose. Calyptrae cucullate. Spores not seen.

Distribution: China, Japan, India, Sri Lanka, Thailand, Cambodia, Vietnam, Indonesia, Malaysia, the Philippines, and New Guinea.

Habitat: on soil, rocks, and tree trunks under evergreen broad-leafed forests.

Leucobryum angustifolium Wils. in Par., Index Bryol. 748. 1897, nom. nud. Leucobryum confine Card., Beih. Bot. Centralbl. 19(2): 97, f. 4. 1905. Leucobryum lutschianum C. Müll. in Salm., J. Linn. Soc. Bot. 34: 453. 1900, nom. nud. Leucobryum sericeum Broth. ex Geh., Biblioth. Bot. 44: 4, Pl. 26. 1898. Leucobryum subsericeum Dix., Hong Kong Natural. Suppl. 2: 6, f. 2a. 1933. Type. China: Guangdong (Kwangtung), Herklots s.n. (holotype BM).