2. Leptodontium handelii Thér. 齿叶薄齿藓 chi-ye bo-chi xian
Ann. Cryptog. Exot. 5: 171. 1932. Leptodontium subfilescens Broth., Symb. Sin. 4: 35. 1929, hom. illeg. Type. China: Yunnan: Mekong-Salwin-Scheidekette, Handel-Mazzetti 9983 (holotype H).
Plants slender, 15–20 mm high, yellowish green, in loose tufts. Stems erect, branched, radiculose at the base. Leaves appressed when dry, erect-spreading when moist, oblong-elliptic to ovate-ligulate, abruptly acute with an apiculus or rounded-obtuse at the apex; margins entire below, coarsely serrate above the middle; costa stout, ending just below the apex; upper leaf cells quadrate to hexagonal, thin-walled, orderly arranged, with several simple papillae. Sporophytes not seen.