1. Gymnostomiella vernicosa (Hook.) Fleisch. var. tenerum (C. Müll. ex Dus.) Arts 疣壶藓小型变种 you-hu xian xiao-xing bian-zhong
J. Bryol. 20: 424. 1998. Gymnostomiella tenerum (C. Müll. ex Dus.) Arts, J. Bryol. 19: 76. 1996. Splachnobryum tenerum C. Müll. ex Dus., Kongl. Svenska Vetensk. Acad. Handl. 28(3): 39. a–c, f. 50. 1896. Type. Liberia: P. Dusen s.n.
Plants very small, 1–3 mm high, green to blackish green or brownish, in dense tufts. Stems very short, simple, often radiculose at the base. Leaves contracted when dry, erect or widely spreading when moist, obovate to spathulate, rounded at the apex; margins plane, entire below, denticulate above middle mostly by papillose cells; costa faint, not much differentiated from laminal cells, slender, ending slightly above the leaf middle; upper leaf cells hexagonal, lax, pellucid, thin-walled, bluntly papillose; basal cells rectangular, smooth, thin-walled; alar cells not differentiated. Dioicous. Gemmae often in leaf axils. Sporophytes not seen.