10. Rhynchostegium vagans A. Jaeger 泛生长喙藓 fan sheng chang hui xian
Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1876–77: 369. 1878. Eurhynchium vagans (A. Jaeger) E. B. Bartram, Bernice P. Bishop Mus. Bull. 101: 213. 1933. Hypnum vagans Harv., Icon. Pl. 1: pl. 24. f. 2. 1836, hom. illeg. Type: India.
Plants medium-sized, slender, flexuous, yellowish green, somewhat glossy, in loose mats. Stems prostrate, to ca. 3.5 cm long, irregularly branched, loosely foliate, with short branches. Stem and branch leaves more or less similar, elliptical, 1.2–1.4 mm × 0.5–0.6 mm, somewhat concave, acute at apex, more or less constricted at base; margins minutely to distinctly serrate nearly throughout; costae reaching ca. 2/3 the leaf length, often projecting at tips; median leaf cells linear, 90–100 µm × 5–6 µm, smooth; apical and basal cells shorter; alar cells few. Dioicous. Sporophytes not seen.