2. Orthotrichum anomalum Hedw. 木灵藓 mu ling xian
Spec. Musc. 162. 1801. Orthotrichum anomalum subsp. anomalum (Hedw.) Bertsch, Moosflora 83. 1949. Dorcadion anomalum (Hedw.) Lindb., Musci Scand. 28. 1879. Weissia anomala (Hedw.) Roth ex P. Gaertn., B. Mey. & Schreb., Oekon. Fl. Wetterau 3(2): 93. 1802. Type: Europe.
Plants small to medium-sized, dark green above, brown or black below, in more or less dense tufts. Stems 0.6–2.3 cm long, dichotomously branched; rhizoids present at base. Leaves erect, appressed when dry, lanceolate or narrowly ovate-lanceolate, 1.8–2.7 mm × 0.5–0.8 mm, acute at the apex; margins entire, reflexed or recurved in the middle part; costae subpercurrent; upper leaf cells rounded-quadrate or shortly elongate, 6–12 µm × 6–11 µm, thick-walled, with 1–2 simple, unbranched papillae per cell; basal cells rectangular or elongate-rhomboidal, 20–66 µm × 3–12 µm, moderately thick-walled, non-porose, smooth, gradually becoming shorter toward margins, larger and brown near the base. Gemmae not seen. Goniautoicous. Perichaetial leaves not differentiated. Setae ca. 3 mm long; capsules exserted, oblong-ovoid or cylindrical, with 8 or 16 deep furrows in the upper part when dry; stomata immersed; opercula shortly rostrate; peristome simple, prostome present; exostome teeth in 8 pairs, splitting into 16 when old, erect, yellow or red when dry, vertically striolate in the upper part, horizontally striolate in the lower part, sometimes not clearly striolate, dense papillose; endostome segments absent. Calyptrae oblong-conic, plicate, hairy. Spores spherical, 12–19 µm in diameter, coarsely papillose.