报道了采自中国广西乐业县大石围天坑群洞穴藓类植物中国新记录种——莫氏疣壶藓Gymnostomiella monodii P. de la Varde (丛藓科Pottiaceae)。该种的主要识别特征是:植物体细小;叶中上部边缘多具齿突,先端具短锐尖;叶中上部细胞一般具0~1(~2)个乳突状疣;芽胞棒槌状。中国目前分布的疣壶藓属植物共3种和2变种,并提供分种检索表。
Gymnostomiella monodii P. de la Varde (Pottiaceae, Bryophyta) Reported New to China
Gymnostomiella monodii P. de la Varde is reported in China for the first time. This species is characterized by the small plants, margins plane and crenulated distally by sharply bulging cell walls, apiculate and very broadly acute leaf apex, upper laminal cells with 0-1(-2) papillae, and claviform gemmae. A key to the species of Gymnostomiella known in China is provided.