5. Thuidium glaucinoides Broth. 拟灰羽藓 ni-hui-yu xian
Philipp. J. Sci. 3: 26. 1908. Type. The Philippines: Luzon.
Thuidium orientale Mitt. ex Dix., J. Bot. 51: 329. 1933.
Plants large, up to or more than 10 cm long, often lightly brownish green or yellowish green, in loose mats. Stems regularly bipinnately branched; branches ca. 5–10 mm long; central strand present; paraphyllia densely growing on stems or branches, foliose or filamentous, papillose. Stem leaves appressed when dry, erect-patent when moist, broadly ovate to ovate-triangular, with a short apex, ca. 0.8–1.0 mm long; margins serrate; costa well developed, reaching 3/4 the leaf length, setulosely papillose on back; median leaf cells oblong-ovate to elliptic, thick-walled, uni- to multipapillose, upper cells rounded hexagonal; branch leaves ovate to widely ovate, costa reaching 2/3 the leaf length. Dioicous. Perichaetial leaves lanceolate, piliferous; margins serrate, not ciliate. Setae reddish brown or yellowish brown, up to or more than 3 cm long; capsules oblong-ovate, horizontal; exostome teeth reddish brown, grossly papillose above; endostome segments as long as the teeth, finely papillose above; lightly yellowish; basal membrane about 1/2 the height of segments; cilia 2–3, finely papillose. Spores not seen.