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Gamophyceae: Zygnematales: Zygnemataceae

Spirogyra
Link 1820

Family: Filamentous algae without branching; cell body cylindrical; chloroplasts band-, plate- or star-shaped (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Filament without branching; cell body cylindrical; one or several chloroplasts band-shaped, spirally arranged within the cell, pyrenoids present; septum with or without folded structure (Guide book to the "Photomicrographs of the Freshwater Algae", 1998). About 300 species (Illustrations of The Japanese Fresh-water Algae, 1977).
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More than 100 μm diam.
Spirogyra
Spirogyra sp.
11 chl. 1 turns
x 155 μm
Tsukamoto
Nishi-ku
Saitama, 2004
Spirogyra
S. margaritata ?
irregular chl.
radiate nuc.
225 x 140 μm
Yamagata, 1999
Spirogyra margaritata
S. margaritata ?
x μm
chl.
Toneri Park
Tokyo, 2001
Spirogyra
S. margaritata ?
x 144-148 μm
14 chl.
Kurihashi
Saitama, 2001
Spirogyra
S. sp.8
6 ? chl.
x μm
Japan, 199?
by N. Sugiyama
Spirogyra
S. ellipsospora ?
5 chl., 2.5 turns
328 x 124 μm
Kabuto-yama
Nishi-no-miya
Hyogo, 2004
Spirogyra
S. ellipsospora ?
3 or 4 chl.
radiate nuc.
135-220 x 130 μm
Saitama, 1999
Spirogyra
S. ellipsospora ?
3? chl.
spherical nuc.
200 x 100 μm
Japan, 1998
Movies
Spirogyra
S. setiformis
3 chl. 3.5 turns
x 108 μm
Doman G.P.
Toda
Saitama, 2001
Spirogyra
S. setiformis
3 chl. 3.5 turns
x 108 μm
Doman G.P.
Toda
Saitama, 2001
Spirogyra
S. setiformis
3 chl. 2.5-3.25 turns
x 110 μm
Ikoi-no-mori p.
Fuchu
Tokyo, 2004
Spirogyra setiformis
S. setiformis
4 chl. 1.5 turns
x 110 μm
Tama river
Chofu
Tokyo, 2004
Spirogyra
Spirogyra sp.
5 chl. 2.25 turns
x 112 μm
Zenko-ji
Nagano, 2003
Spirogyra
Spirogyra sp.
8 chl. 1 turns
x 100 μm
Fukuda 1862
Namegawa
Saitama, 2004
Spirogyra
Spirogyra sp.
3 chl. 1.3-1.5 turns
x 100 μm
Konuma
Sakado
Saitama, 2004
Spirogyra
Spirogyra sp.
4 chl. 2.5 turns
x 100 μm
Banpaku memorial p.
Tsukuba
Ibaraki, 2006
Spirogyra
Spirogyra sp.
3 chl. 2.2 turns
x 106 μm
Hanyu-Suigo Park
Hanyu
Saitama, 2006

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Spirogyra
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