2. Papillidiopsis macrosticta (Broth. & Par.) W. R. Buck & B. C. Tan 褶边拟刺疣藓 zhe bian ni ci you xian
Acta Bryol. Asiat. 1: 12. 1989 . Rhaphidostichum macrostictum (Broth. & Par.) Broth., Nat. Pflanzenfam. (ed. 2), 11: 435. 1925. Trichosteleum macrostictum Broth. & Par., Bull. Herb. Boissier, ser. 2, 2: 933. 1902. Type: Japan.
Rhaphidostichum chaetomitriopsis (Dix.) Touw, Nat. Hist. Bull. Siam Soc. 22: 239. 1968. Trichosteleum chaetomitriopsis Dix., J. Siam Soc., Nat. Hist. Suppl. 10: 23. 1935.
Plants medium-sized, in interwoven mats. Main stems prostrate; branches up to 7 mm long. Leaves erect-spreading, broadly oblong to rounded ovate, somewhat secund to slightly twisted, concave, broadly shortly acuminate to acute, becoming narrower toward base; margins plane, plicate, entire below, weakly denticulate at apex; leaf cells fusiform to linear, 40–55 mm long, oval to oblong near apex, becoming thicker and pitted toward base; alar cells inflated, hyaline or colored, thin- or thick-walled, a few indistinctly smaller cells above the inflated cells. Inner perichaetial leaves large, twice as big as the vegetative leaves, long acuminate, serrate above; alar cells not differentiated; cells smooth. Perigonial leaves smaller, ovate. Setae up to 13 mm long, smooth; capsules small, ellipsoidal, less than 1 mm long.