Genus: Cell body short, radiate in shape; apical view of the cell, triangular, polygonal, ellipsoidal or spindle-shaped; zygospores formed outside of mother cells (Illustrations of The Japanese Fresh-water Algae, 1977)
Subgenus: lacks arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Species: Cell body 28-42 μm long, 28-39 μm wide; constriction 8.4-11 μm wide; cell wall covered with granules, arranging in circle around each projection; semicells not twisted with each other at isthmus (Illustrations of the Fresh-water Algae, 1977).
Google Image Search
S. lapponicum 23 x 25 μm Univ. A.V.M. Obihiro Hokkaido, 2005 |
S. lapponicum 32 x 26 μm rice field Ichinoseki Iwate, 2005 |
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S. lapponicum x 25 μm Ohnuma Nasu-shiobara Tochigi, 2007  |
S. lapponicum 28 x 28 μm Aquatic botanical g. Sawara Chiba, 2004 |
S. lapponicum x 23 μm Muneoka Shiki Saitama, 2004 |
S. lapponicum μm Omine-numa 5 Minakami Gunma, 2007 |
S. lapponicum 29 x 25 μm near Oyomi marsh Hakuba Nagano, 2004 |
S. lapponicum μm Water reservoir Iiyama Nagano, 2008 |
S. lapponicum 28 x 30 μm Imou bog Toyohashi Aichi, 2004 |
S. lapponicum 22 x 22 μm Sanda Hyogo, 2001 |
S. lapponicum μm Takamatsu Kagawa, 2002 |
S. lapponicum x 34 μm Kashibaru marsh Karatsu Saga, 2006 |
S. lapponicum μm Kashibaru m.3 Karatsu Saga, 2008 |
S. lapponicum μm Kashibaru m.2-5 Karatsu Saga, 2008 |
S. lapponicum x 22 μm Kayoicho-ike Fukuoka, 2001 |
S. lapponicum 24 x 25 μm Kayoicho-ike Fukuoka, 2001 |
S. lapponicum 23 x 21 μm Uruguay, 1999 |
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