铜绿净口藓

Gymnostomum rupestre Scheich. ex Schwaegr., Sp. Musc. Frond., Suppl. 1, 1: 31, f. 11. 1811.

Plants medium-sized, 20–30 mm high, often bright green or copper green, in dense tufts. Stems erect, simple, rarely branched. Leaves narrow, usually linear-lanceolate, blunt at the apex; margins plane, entire; costa stout, ending below the apex; upper leaf cells rounded hexagonal, pluripapillose; basal cells elliptic to irregularly rectangular, smooth.

Type. Europe.

Chinese specimens examined: GUANGDONG: Ding-hu Shan (Mt.), P.-J. Lin s.n. (HKAS). JIANGSU: Wu Co., D.-K. Li 19476 (HKAS, SHM). SICHUAN: Chong-qing City, P.-C. Chen 48431 (MO, PE); De-rong Co., X.-J. Li 81–2816 (HKAS). TAIWAN: Tai-bei Co., Yasuda s.n. (H). XIZANG: Jiang-zi Co., Ka-rou-la Glacier, M. Zang 815 (HKAS); La-sha City, S.-K. Chen 821 (HKAS); Mo-tuo Co., Y.-G. Su 2800 (HKAS). YUNNAN: Gong-shan Co., M. Zang 2254 (HKAS). ZHEJIANG: Wen-zhou City, Yan-tang Shan (Mt.), D.-K. Li & C.-H. Gao 8051 (HKAS, SHM).

Habitat: on calcareous rocks or cliffs in alpine regions; also on calcareous walls or thin soil over rocks; Distribution: China, Japan, the Philippines, central and western Asia, Europe, North Africa, and Central and North America.

Illustrations: C. Gao (ed.) 1996 (Pl. 49, figs. 1–5).