Streblotrichum croceum (Brid.) Loeske var. coreensis (Card.) Wijk & Marg., Taxon 8: 75. 1959.

Plants small to medium-sized, to 30 mm high, green, yellowish green, in loose tufts. Stems erect, simple or irregularly branched, often radiculose at base. Leaves contorted or crisped when dry, erect-spreading when moist, ovate-lanceolate, gradually acuminate to acute; margins entire, plane; costa stout, percurrent to excurrent as a short apiculus; upper leaf cells small, quadrate to short-rectangular, rather thick-walled, obscure, multi-papillose, with several C-shaped papillae; basal cells differentiated, narrowly oblong-rectangular, thick-walled, smooth, hyaline to light brown. Gemmae pyriform to globose, in leaf axils. Dioicous. Perichaetial leaves larger than stem leaves, sheathing and convolute at base, acuminate at apex. Mature sporophytes not seen.

Type. Korea: Fusan, Faurie s.n.

Chinese specimens examined: SICHUAN: Jin-fo Shan (Mt.), X.-Y. Hu 1 (PE); Nan-chuan Co., P.-C. Wu 21156 (HKAS, MO, PE); Omei Co., Allen 6525, 6628 (MO).

Habitat: on rocks; Distribution: China, Korea, and Japan.

Illustrations: Saito 1975 (Fig. 42, 11–28).