2. Weisiopsis plicata (Mitt.) Broth. 小墙藓 xiao qiang xian
Ö fvers. Förh. Finska Vetensk.-Soc. 62A(9): 8. 1921. Hyophila plicata Mitt., J. Linn. Soc., Bot. 22: 304. 15 f. 13–16. 1886. Type. Tanzania: Usagara Mt., Hannington s.n.
Plants small, to 4.0 mm high, green to yellowish green, in low dense tufts. Stems erect, simple, rarely branched by new growth. Leaves usually erect-curved to contorted when dry, spreading when moist, spathulate, narrowed near base, rounded-obtuse at apex; margins plane or weakly incurved to undulate, entire or finely crenulate by projecting papillae; costa slender, percurrent; upper leaf cells very small, rounded hexagonal, strongly thick-walled, bulging or mammillose; basal cells sharply differentiated, enlarged, rectangular, thin-walled, smooth. Autoicous. Setae very short, ca. 3 mm long, yellowish; capsules erect to suberect, cylindrical, plicate when dry; opercula erect conic-rostrate with a rather long beak; peristome erect, linear-subulate, faintly papillose.