2. Physcomitrium courtoisii Par. & Broth. 江岸立碗藓 jiang-an li-wan xian
Rev. Bryol. 36: 9. 1909. Type. China: Jiangsu (Kiang Sou), Courtois 50 (isotype HKAS).
Plants small to medium-sized, in loose tufts. Stems simple, erect, ca. 8–14 mm high. Leaves sparse, oblong-obovate, 2.5–4.5 mm × ca. 2.0 mm, acute at apex; margins nearly entire or only serrulate in the upper part, slightly incurved in the lower half; costa percurrent or shortly excurrent; upper leaf cells short-rectangular or near-rhombic; basal cells elongate, rectangular; marginal borders differentiated by narrowly rectangular cells. Autoicous. Setae slender, 8–10 mm long, yellowish; capsules near-spherical, ca. 1 mm long, mouth wide, ca. 1.1–1.2 mm wide; opercula low-conic, obtusely apiculate; annuli narrow; peristome absent. Calyptrae not seen. Spores not seen.