1. Pohlia annotina (Hedw.) Lindb. 夭命丝瓜藓 yao ming si gua xian
Musci Scand. 17. 1879. Bryum annotinum Hedw., Sp. Musc. Frond. 183. pl. 43. 1801. Type: Europe.
Plants small, slender, usually 4–10(–20) mm high, dark green, in loose or somewhat dense tufts. Stems erect, simple, with reddish rhizoids at base. Leaves erect or erect-spreading, sometimes flexuose, 0.6–1.5 mm long, narrowly lanceolate or ovate-lanceolate, narrowly acute at apex; margins plane, serrulate near apex; costae thick, ending clearly below the apex; upper leaf cells linear-rhomboidal or rarely vermicular, thin-walled, 40–100 µm × 6–10 µm. Gemmae often in leaf axils of brood branches, usually obovoid to elongate-obovoid or slenderly obovoid, sometimes ovoid, with 3–4 leaf primordia. Dioicous. Sporophytes rare. Setae 1.5–3.0 cm long, reddish orange or yellowish brown; capsules horizontal or pendulous, 2–3 mm long, pyriform. Spores 15–24 µm in diameter.