5. Brachythecium campylothallum Müll. Hal. 斜枝青藓 xie zhi qing xian
Nuovo Giorn. Bot. Ital., n.s., 3: 124. 1896. Type: China. Shaanxi, July 1894, Giraldi s.n.
Plants rather large, green to yellowish green, somewhat glossy, in dense mats. Stems prostrate, ca. 7 cm long, regularly branched; branches 0.4–1.0 cm long, densely foliate, julaceous. Stem and branch leaves similar, broadly ovate-lanceolate, 1.53–1.85 mm × 0.54–0.74 mm, often curved at apex; margins entire; costae stout at base, slender toward apex, ending beyond mid-leaf; median leaf cells linear-rhomboidal, 55–78 µm × 6–7 µm; alar cells differentiated, extending close to costa at leaf base, slightly decurrent. Sporophytes not seen.