11. Rhodobryum (Schimp.) Limpr. 大叶藓属 da ye xian shu
Laubm. Deutschl. 2: 444. 1892. Bryum sect. Rhodobryum (Schimp.) Husn., Fl. Mousses Nord. Ouest (ed. 2) 112. 1882. Bryum subgen. Rhodobryum Schimp., Syn. Musc. Eur. 381. 1860.
Plants rather large to robust, green to deeply green, in loose tufts. Stems erect, with primary stems prostrate and underground. Lower leaves small, scale-like, distant, oblong-ovate to shortly ovate-lanceolate; upper leaves large, forming rosettes on the top of stems, oblong-obovate to spathulate, broadly acute or bluntly acute, apiculate, slightly concave or keeled; margins mostly plane, strongly serrate above, entire, recurved below; costae broader at base, slender toward apex, nearly percurrent to shortly excurrent; in cross section dorsal stereids absent or present. Dioicous. Sporophytes terminal. Setae elongate; capsules horizontal or pendulous, cylindrical; neck very short or indistinct, stomata superficial; opercula conic at base, shortly rostrate; annuli large; exostome teeth 16, linear-lanceolate, papillose; endostome segments 16, linear-lanceolate, minutely papillose, nearly as long as the teeth, centrally perforate; basal membrane ca. 2/3 the height of segments; cilia 2–3, nodose or appendiculate. Calyptrae unknown. Spores small, spherical, smooth to scabrose.