3. Symphyodon pygmaeus (Broth.) He & Snider 钝叶刺果藓 dun-ye ci-guo xian
Bryobrothera 1: 285. 1992. Homalia pygmaea Broth., Nat. Pflanzenfam. I(3): 849. 1906. Type: Madagascar: Diego Suarez, Chenagon s.n. (lectotype PC, designated by He & Snider 1992; isolectotypes H, REN).
Plants medium-sized, to 5 cm long, yellowish green to golden green, glossy. Stems bipinnately to tripinnately branched, subcomplanate. Leaves similar in shape, stem leaves smaller than branch leaves, 1.0–1.1 mm × 0.4–0.5 mm, spreading, complanate, oblong-lanceolate to oblong-ovate to lingulate; branch leaves 1.2–1.5 mm × 0.4–0.5 mm; all leaves with apices rounded to truncate, margins coarsely serrate in the upper 2/3, serration formed by a row of enlarged cells (occasionally weakly serrulate at the apex), subentire to serrulate at the base; costae unequal, extending to 1/2 total leaf length; apical leaf cells distinctly shorter than the adjacent cells; median cells linear, 35–50 µm × 3–4 µm, weakly to moderately prorate; alar cells differentiated, subquadrate to shortly rectangular, of 3–5 rows extending 3–4 cells up the margins. Sporophytes not seen.