5. Polytrichastrum ohioense (Ren. & Card.) G. L. Smith 多形拟金发藓 duo xing ni jin fa xian
Mem. New York Bot. Gard. 21(3): 35. 1971. Polytrichum ohioense Ren. & Card., Rev. Bryol. 12: 11. 1885. Type: U.S.A. Ohio, Provost s.n.
Polytrichum decipiens Limpr., Laubm. Deutschl. 2: 618. 1893.
Plants medium-sized, usually 3–4(–6) cm high. Stems simple. Leaves erect when dry, erect-patent when moist, upper leaves narrowly lanceolate from a sheathing base; ventral lamellae ca. 35 rows, 4–5 cells high, apical cells of lamellae truncate, slightly larger than the lower cells, rather thin-walled; leaf margins sharply toothed; costa broad; median leaf cells nearly hexagonal, rather thick-walled. Dioicous. Setae 3–5 cm long; capsules inclined, 4–5 obtusely keeled, apophyses small, slightly constricted between urns and apophyses; opercula long beaked; peristome teeth 64. Calyptrae cucullate, densely covered with cilia. Spores spherical, 8–10 µm in diameter, verrucose.