Northeastern Asian Flora
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Huperzia selago (L.) Bernh. ex Schrank & Mart.  
Family: Lycopodiaceae
[Lycopodium abietiforme Gray, moreLycopodium densum Lam., Lycopodium selago L., Lycopodium selago var. acuminatum Sugim., Lycopodium selago var. patens patens, Mirmau selago (L.) H.P.Fuchs, Plananthus patens P.Beauv., Plananthus selago (L.) P.Beauv., Urostachys selago (L.) Herter, Urostachys selago f. angustinus angustinus]
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  • Japan Flora
  • Far Eastern Russia
  • Resources
Japan Flora: Stems nearly simple or sparsely forked, erect from a short ascending base, 3-10 cm. long, 4-12 mm. wide including the leaves, with bulbils in upper portion; leaves rather thick and dense, linear-lanceolate, 3-5 mm. long, 0.8-1 mm. wide, ascending, incurved to appressed toward apex, ecostate, acumi­nate, entire, lustrous, scarcely broadened at base; sporangia reniform, in axils of ordinary leaves.--------- Mossy sunny slopes in alpine regions; Hokkaido, Honshu (centr. and n. distr.), Kyushu (Yakushima); rather rare. Kuriles, Kamchatka to Europe and N. America.

var. chinense (Christ) Ohwi.  Stems 8-15 cm. long, rather slender; leaves broadly linear, 3-7 mm. long, 0.5-0.8 mm. wide, spreading to obliquely ascending, the lower ones sometimes slightly de­flexed, slightly incurved above, acuminate. Coniferous woods in mountains; Hokkaido, Honshu, Shikoku, Kyushu; rather rare. s. Kuriles, Korea, and China.

var. somae (Hayata) Ohwi. Stems slender, often rubescent at base, 3-10 cm. long, 3-5 mm. across including the leaves; leaves smaller, narrowly oblong to nar­rowly lanceolate, 2-3 mm. long, 0.5-0.8 mm. wide, short- acuminate, deflexed.  Woods in mountains; Kyushu (Yaku­shima) ; rare. Formosa.

Russia Flora: Plant up to 20 cm tall. Stems ascending at the base, then straight or slightly sinuous, bright green, densely covered with phyllodia. Phyllodia triangular-lanceolate, up to 6 mm long, 1 mm wide, at the bottom of the stem deflected downward, in the middle part appressed or more or less spreading. Stems with phyllodia at the base up to 6 mm thick, in the middle and upper parts uniform, up to 1 cm thick. Sporangia broadly cordate, up to 1 mm long, numerous. Reproductive buds 4 mm long, numerous, inconspicuous.

Anadyr-Penzhina, Koryak, Kolyma, Okhotsk, Aldan, Kamchatka, Commander Islands, Northern Sakhalin, Northern Kuril Islands, Amur, Ussuri, Southern Sakhalin, Southern Kuril Islands — Moist forests, thickets of dwarf cedar and alder, tundra, moist rocks in lowlands, in forest and subalpine belts. VIII-IX. Protected. — General distribution: European part, Caucasus, Central Asia (Dzungarian Alatau), Western Siberia, Eastern Siberia; North America. 

Huperzia selago
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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