15. Plagiomnium tezukae (Sak.) T. Kop. 毛齿匐灯藓 mao chi fu deng xian
Ann. Bot. Fenn. 5: 146. 1968. Mnium tezukae Sak., J. Jap. Bot. 29: 114. 1954. Type: Japan. Honshu, Tezuka s.n.
Plants rather large, in loose tufts. Primary stems and infertile branches curved, prostrate, sparsely foliate; fertile branches erect, 3–4 cm high, radiculose below, densely foliate above. Leaves crisped when dry, spreading when moist, broadly elliptical or oblong-elliptical, ca. 4.5 mm × 2.5 mm, narrowed and slightly decurrent at base, obtuse with long-slender tips; margins bordered by 2–4 rows of elongate cells, serrate with 1–3-celled teeth above mid-leaf; costae percurrent; leaf cells rather large, hexagonal or oblong-elliptical, thin-walled, slightly thickened at corners, often porose. Dioicous. Setae solitary or clustered, 2–4 cm long; capsules elongate-ovoid to shortly cylindrical, ca. 4.5 mm × 2.0 mm, pendulous.