Festuca ovina L., Sp. Pl. 73. 1753. Hsu, Fl. Taiwan 5: 441. 1978; Koyama, Grass. Jap. Neighb. Reg. 81. 1987.
Culm 20-30 cm tall, less than 0.5 mm in diameter, base erect, new shoots all intra-vaginal. Blades radical, tufted, coriaceous, needle-like, 0.5 mm indiameter; ligule chartaceous, 0.3 mm long, fimbriate. Panicle narrow. Spikelets several-flowered, up to 9 mm long, more or less compressed; glumes chartaceous; the lower narrowly lanceolate, 1-nerved, 5 mm long; the upper lanceolate, 3--nerved, mucronate, 6 mm long; lemmas subcoriaceous, 6 mm long, boat-shaped, lanceolate, 5-nerved, with a short awn; palea subcoraceous, oblong, 2-keeled, 5.5 mm long. Caryopsis 3.5 mm long, sylindrical; hilum linear.
ILAN: Nanhutashan, Suzuki s. n. July 17, 1937, Sasaki 39620. HSINCHU: Itsoshan, Shimada 5008. TAICHUNG: Hsiehshan, Hosokawa 2319. NANTOU: Konankuan, Chuang 4466; Tayuling, Hsu 3827. CHIAI: Mt. Morrison, Chuang 2914, Hsu s. n. Nov. 20, 1967. KAOHSIUNG: Kuanshan, Fukuyama s. n. July 12, 1925. HUALIEN: Chingshueishan, Nakamura 6167; Chilaishan, S. Suzki 2390.
Widely distributed in temperate lands throughout the world, and in the alpine of tropical area.
Many infraspecific taxa have been described, in which, Festuca ovina var. duriuscula ((L.) Koch was recorded in Taiwan.