1. Dichodontium integrum Sakurai 全缘裂齿藓 quan-yuan lie-chi xian
Bot. Mag. (Tokyo) 62: 104. 1949. Type. China: Shanxi province, Jinci Pref., Sato 7.
Plants medium-sized, up to 15 mm high, greenish above, reddish brown below, in dense tufts. Stems simple or branched, covered with dark brown rhizoids below. Leaves ca. 3 mm × 0.5 mm, lanceolate-lingulate, from a slightly sheathing base to nearly acute to obtuse apex, somewhat contorted when dry, erect-spreading when moist, slightly undulate above, somewhat recurved below; costa subpercurrent, keeled and mammillose on the back; upper leaf cells rounded-quadrate, green, obscure and mammillose, lower cells rectangular, pellucid and smooth.
The species description was translated from the original publication (Sakurai 1949). The species is similar to the North American Dichodontium olympicum Ren. & Card.