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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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25-50 μm diam.
40-50 μm diam.
Spirogyra
Spirogyra sp.
4 or 6 chl.
disc-like nuc.
475 x 48 μm
Hiroshima, 1998
Movies
Spirogyra
Spirogyra sp.
4 chl. 2 turns
x 49 μm
Biwanokage A.P.
Tajima
Fukushima, 2004
Spirogyra
Spirogyra sp.
4 chl. 2 turns
x 48 μm
Higashi-sano
Hakuba
Nagano, 2004
Spirogyra
Spirogyra sp.
4 chl.
disc-like nuc.
300 x 45 μm
Tochigi, 1998
Spirogyra
Spirogyra sp.
4 chl. 1.5 turns
x 43 μm
Endosymbiont ?!
Nagano, 2001
Movies
Spirogyra
Spirogyra sp.
4 chl.
40 μm diam.
Showa-machi g.p.
Showa
Saitama, 2003
Spirogyra
Spirogyra sp.
4 chl. 1 turn
40 μm diam.
Iruma City M.
Iruma
Saitama, 2006
Spirogyra
Spirogyra sp.
3 chl. 2 turns
205-375 x 46 μm
Japan, 199?
Spirogyra
Spirogyra sp.
3 chl. 1.5 turns
x 48 μm
Nishi-Urawa
Saitama, 2001
Spirogyra
Spirogyra sp.
3 chl. 2 turns
disc-like nuc.
250 x 44 μm
Tochigi, 2001
Spirogyra
Spirogyra sp.
3 chl. 2 turns
40 μm diam.
Chiba, 2002
Spirogyra
Spirogyra sp.
3 chl. 2.5 turns
41 μm diam.
Kashiwa
Chiba, 2002
Spirogyra
Spirogyra sp.
2 chl. 5-6 turns
x 48 μm
Riverside g.l.
Fujioka
Gunma, 2004
Spirogyra
Spirogyra sp.
2 chl. 2 turns
x 44 μm
Shizuoka, 2001
Spirogyra
Spirogyra sp.
2 chl. 3 turns
x 43 μm
Tochigi, 2001
Spirogyra
Spirogyra sp.
2 chl. 3 turns
123 x 44 μm
riverside park
Abukuma river
Fukushima, 2005
Spirogyra
Spirogyra sp.
2 chl. 3 turns
x 43 μm
Zenko-ji
Nagano, 2003
Spirogyra
Spirogyra sp.
2 chl. 3.5 turns
x 43 μm
Muneoka
Shiki
Saitama, 2004
Spirogyra
Spirogyra sp.
2 chl. 2.5 turns
80-87 x 42 μm
rice field
Shinano
Nagano, 2004
Spirogyra
Spirogyra sp.
1 chl. 2 turns
25-40 x 48 μm
Watarase river
Ashikaga
Tochigi, 2004
Spirogyra
Spirogyra sp.
?? chl.
??? nuc.
205 x 41 μm
Japan, 1997
Spirogyra
S. porticalis
16 samples
1 chl. 2-7 turns
spherical nuc.
35-45 μm diam.
1997-2006
25-40 μm diam.
Spirogyra
Spirogyra sp.
2 chl. 5 turns
38 μm diam.
Higashi-sano
Hakuba
Nagano, 2004
Spirogyra
Spirogyra sp.
5 samples
3-4 chl. 2-3 turns
34-38 μm diam.
1998-2006
Spirogyra
Spirogyra sp.
9 samples
3 chl.
spherical nuc.
29-33 μm diam.
1997-2006
Spirogyra
Spirogyra sp.
3 samples
3-4 chl.
28-32 μm diam.
1998-99
Spirogyra
Spirogyra sp.
4 chl. 1.5 turns
30 μm diam.
Saitama, 2001
Spirogyra
S. micropunctata
1 chl. 2-4 turns
36 μm diam.
Japan, 1999
Spirogyra
S. varians ?
11 samples
1 chl. 2-7.5 turns
35-37 μm diam.
2000-2006
Movies
Spirogyra
Spirogyra sp.
1 chl. 4.5 turns
105 x 37 μm diam.
Owada Park
Saitama
Saitama, 2005
Spirogyra
S. daedaleoides
or S. singularis ?
14 samples
1 chl. 3-5 turns
28-34 μm diam.
2001-2008
Spirogyra singularis
S. singularis
1 chl. 4 turns
35 μm diam.
Iwatsuki Park
Iwatsuki-ku
Saitama, 2006
Spirogyra
S. longata
1 chl. 3-3.5 turns
conjugation
35 μm diam.
Japan, 1998
Spirogyra
S. longata
1 chl. 2.5-3 turns
30 μm diam.
Matsubushi
Saitama, 2003
Spirogyra
S. longata ?
1 chl. 3.5-4 turns
30 μm diam.
Igashira park
Mooka
Tochigi, 2004
Spirogyra
Spirogyra sp.
1 chl. 7-10 turns
188-216 x 30 μm
Sukawa highland
Kurikoma mountain
Akita, 2005
Spirogyra
Spirogyra sp.
1 chl. 5-7 turns
87-110 x 27 μm
Igashira park
Mooka
Tochigi, 2004
Spirogyra
Spirogyra sp.
1 chl. 3 turns
88-102 x 28 μm
Ichinose-enchi
Norikura highland
Nagano, 2005
Spirogyra
Spirogyra sp.
1 chl. 2-2.5 turns
60-80 x 27 μm
Gunma-no-suigo
Itakura
Gunma, 2006
Spirogyra
Spirogyra sp.
1 chl. 2.5 turns
95 x 31 μm
Kitayama park
Higashi-Murayama
Tokyo, 2006
Spirogyra
Spirogyra sp. ?
1 chl. ?? turns
140 x 35 μm
Oh-asoh
Kumagaya
Saitama, 2006

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Spirogyra porticalis
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