1. Bruchia microspora Nog. 小孢小烛藓 xiao-bao xiao-zhu xian
J. Jap. Bot. 26: 271. 1951. Type. Japan: K. Mayebara 678.
Plants minute, 2–4 mm high, yellowish green, in loose tufts. Stems simple or sparsely branched; central strand absent. Leaves abruptly long-subulate from an oblong to ovate, sheathing base, 1.1–1.9 mm × 0.25–0.35 mm; margins entire to serrulate from the shoulder to the apex; costa percurrent; upper cells rhomboidal to linear, 26–40 µm × 8–10 µm, thick-walled; lower cells rectangular to linear-rectangular, 26–70 µm × 11–14 µm, thin-walled. Paroicous. Perichaetial leaves larger, up to 2.0–2.5 mm long. Setae yellowish to yellowish brown, erect, 0.7–1.1 mm long; capsules immersed, obovoid, 1.0–1.3 mm long, neck 0.2–0.3 mm long, tapered at the base. Calyptrae mitrate, smooth, lobed at the base. Spores yellowish green, 31–33 µm in diameter, spinose.