4. Cyathophorella kyusyuensis Horik. & Nog. in Nog. 九州雉尾藓 jiu-zhou zhi-wei xian
J. Sci. Hiroshima Univ., Ser. B, Div. 2, Bot. 2 (3): 25. 2. 1936. Type. Japan: Kyushu, Mt. Aoidake, Noguchi 236.
Plants slender, not glossy, in loose mats. Secondary stems simple, ca. 2 cm long, 5.5 mm wide; branch apices gradually slender, curved when dry; lateral leaves twisted when dry, plane when wet, ovate, with a long acuminate apex, asymmetric, ca. 3.5 mm × 1.5 mm; amphigastria oblong or ovate, with a long acuminate apex, ca. 2.5 mm × 1.5 mm; leaf margins irregularly serrulate, each tooth consisting of 1–2 cells; costa slender. Gemmae numerous, often growing in the upper part of branches, green, branched, ca. 0.9 mm long.