6. Drepanocladus trichophyllus (Warnst.) Podp. 毛叶镰刀藓 mao ye lian dao xian
Zpravy Kommis. Prir. Prozk. Moravi 5: 36. 1908. Warnstorfia trichophylla (Warnst.) Tuom. & T. J. Kop., Ann. Bot. Fenn. 16: 223. 1979. Hypnum trichophyllum Warnst., Allg. Bot. Z. Syst. 5 (Beih. 1): 39, 1899. hom. illeg. Drepanocladus rotae (De Not.) Warnst. var. trichophyllus Warnst., Krypt.-Fl. Brandenburg, Laubm. 2: 1049. 1906. Type: Finland.
Plants large, brownish green, in dense mats. Stems prostrate, to 15–20 cm long, densely pinnately or subpinnately branched, sometimes hooked at tips; stem rounded or elliptical in cross section; cortical cells small, incrassate or rather sclerenchymatous, in 2–3 layers; central strand weakly differentiated; pseudoparaphyllia few, small, foliose. Stem leaves elongate-ovate-lanceolate to triangular-lanceolate, 4–7 mm × 0.5–0.8 mm, gradually narrowed to a long acumen; margins entire or finely serrulate; costae thick, ca. 85 μm wide at base, sometimes long-excurrent; median leaf cells linear-flexuous, 70–140 μm × 2.5–6.5 µm, incrassate, wider and shorter toward base, sometimes strongly incrassate, porose; alar cells abruptly enlarged, inflated, brownish, arranged in a single row extending close to costa at leaf base, often decurrent, forming auricles; branch leaves narrower, triangular-lanceolate, 4–5 mm × ca. 0.3 mm. Sporophytes not seen.