Japan Flora: Stems 5-28 cm. long, tufted, simple or slighdy branched at base, green, decumbent or ascending, slender, firm, wiry, 0.5-1 mm. thick, solid, slightly flexuous, 6-ribbed, tuberculate on the ribs; sheaths short, rather loose, 양^이! at base, black upwardly, the teeth pale brown, ovate, broadly scarious on margin, with an awnlike excurrent midrib; spikes 2-3 mm. long, sessile or short-pedunculate. Along valleys in mountains;

Hokkaido; rare. Sakhalin, Siberia to Europe, and N. America.

Russia Flora: Plant, up to 15 (25) cm tall. Stems up to 1 mm thick, overwintering, thin, often curved (sometimes creeping), without central cavity, but with 3 peripheral cavities. Leaf teeth 3, black, awl-pointed, with a very narrow border, less often — without it. Cone solitary, terminal, pointed, 3-4 mm long. 

Chukotka, Anadyr, Anadyr-Penzhina, Koryak, Kolyma, Okhotsk, Aldan, Dauria, Kamchatka, Upper Zeya, Lower Zeya, Bureya, Ussuri, Southern Sakhalin.  In coniferous and mixed forests.  General distribution: European part, Western and Eastern Siberia; Scandinavia, North America.  Described from Canada.