2. Brotherella erythrocaulis (Mitt.) Fleisch. 赤茎小锦藓 chi jing xiao jin xian
Musci Buitenzorg 4: 1245. 1923. Pylaisiadelpha erythrocaulis (Mitt.) W. R. Buck, Yushania 1(2): 12. 1984. Stereodon erythrocaulis Mitt., J. Proc. Linn. Soc., Bot., Suppl. 2: 97. 1859. Type: India.
Plants medium-sized to large, brownish green, in compact mats. Main stems prostrate, often reddish, ca. 5 cm long, 2 mm wide with leaves; pinnately or irregularly pinnately branched, complanate; branches equally long, 0.5–1.0 cm long. Stem leaves broadly rounded ovate, ca. 1.00 mm × 0.75 mm, widest near or at the base, clearly with arcuate acumina; margins entire below, serrulate above; leaf cells narrowly oblong to linear, 55–70 µm long; alar cells few, often 2–3, slightly inflated to enlarged, colored. Inner perichaetial leaves large, 2–3 mm long, lanceolate, long acuminate, weakly denticulate. Setae smooth, 1.0–1.5 cm long; capsules ellipsoidal to cylindrical, 1.5–2.0 mm long, inclined or slightly curved; opercula long rostrate.