3. Miyabea thuidioidesBroth. 羽形瓦叶藓 yu-xing wa-ye xian
Öfvers. Förh. Finska Vetensk.-Soc. 62: 32. 1921. Type. Japan: Kochi Pref., Mt. Kuishi, Nakanishiki 3-1.
Plants rather large, yellowish green, lightly yellowish brown or brown when old, in loosely aggregated mats. Stems up to 5 cm long, irregularly branched to regularly pinnately branched; central strand undifferentiated. Stem leaves and branch leaves similar, leaves approximate when dry, erect-spreading when moist, ovate to widely ovate, ca. 1.5 mm long, concave; leaf margins entire, only remotely serrate above; costa reaching 1/2–2/3 the leaf length; median leaf cells rhomboidal or rounded quadrate, 8–10 µm × 10–12 µm, strongly thick-walled; basal leaf cells oblong-ovate to narrowly ovate, smooth, rarely slightly papillose. Sporophytes unknown.