2. Drepanocladus cossonii (Schimp.) Loeske 大叶镰刀藓 da ye lian dao xian
Moosfl. Harz. 306. 1903. Limprichtia cossonii (Schimp.) L. E. Anderson, H. A. Crum & W. R. Buck, Bryologist 93: 463. 1990. Drepanocladus revolvens var. cossonii (Schimp.) Podp., Consp. Musc. Eur. 589. 1954. Scorpidium cossonii (Schimp.) Hedenäs, Lindbergia 15: 18. 1989. Hypnum cossonii Schimp., Musci Eur. Nov. 3–4 (Mon.): 5. pl. 5. 1866. Type: Europe.
Plants medium-sized, green, brownish, or reddish brown. Stems prostrate, more or less pinnately branched, sometimes hooked at tips; rhizoids few, sometimes occurring at base of costa; stem in cross-section rounded; cortical cells large, hyaline; central strand weakly differentiated; pseudoparaphyllia foliose, broad. Stem leaves involute, 3–4 mm × ca. 2 mm, plicate, acuminate from an ovate or ovate-lanceolate base to a long acumen, curved above; margins entire, rarely serrulate at apex; costae single, extending beyond the mid-leaf; median leaf cells elongate, 20–90 mm × 4–7 mm, thin-walled, usually not porose, sometimes thick-walled, porose; basal cells broader, thick-walled, porose; alar cells 2–10, hyaline, inflated, in a sharply delimited group, hardly decurrent. Sporophytes not seen.