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Trebouxiophyceae (Pleurastrophyceae): Pleurastrales
(Chlorophyceae: Chaetophorales: Chaetophoraceae)

Microthamnion
Nägeli 1849

Genus: Thalli branched uniseriate filamentous; attached by a basal cell with a small holdfast; cells cylindrical or sometimes subclavate; terminal cells with bluntly rounded end; chloroplasts a single, parietal plate-like; without pyrenoids (Photomicrographs of the Freshwater Algae, vol.. 4, 1985).
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Microthamnion
M. kuetzingianum
15-18 x 3 μm
Japan, 1998
Microthamnion kuetzingianum
M. kuetzingianum
x 3-3.5 μm
Sanda
Hyogo, 2001
Microthamnion kuetzingianum
M. kuetzingianum
x 4.7 μm
Ageo Maruyama Park
Saitama, 2002
Microthamnion
M. kuetzingianum
x μm
Ina town
Saitama, 2003
Microthamnion kuetzingianum
M. kuetzingianum ?
14-19 x 3 μm
Yamaguchi Univ.
Yamaguchi, 2004
Microthamnion kuetzingianum
M. kuetzingianum
x μm
Komado marsh
Showa & Tajima
Fukushima, 2004
Microthamnion
M. kuetzingianum
13-22 x 3.5-4 μm
Hanasaki water p.
Kazo
Saitama, 2005
Microthamnion
M. kuetzingianum
9-25 x 3-4 μm
Toyonodai p.
Otone
Saitama, 2006
Microthamnion
M. kuetzingianum
x 2.5 μm
Mida-ga-hara
Gassan (mt)
Yamagata, 2006
Microthamnion kuetzingianum
M. kuetzingianum
x 3.5 μm
Chigo-ike 4
Shiga highland
Nagano, 2006
Microthamnion kuetzingianum
M. kuetzingianum
μm
Okahotto 5
Abiko
Chiba, 2008
Microthamnion kuetzingianum
M. kuetzingianum
axenic culture
Okahotto
Abiko
Chiba, 2008
Microthamnion
M. strictissimum
25-50 x 3 μm
Mizuko
Fujimi
Saitama, 2003
Microthamnion
M. strictissimum
22-32 x 3 μm
Nagaike park
Hachioji
Tokyo, 2005
Microthamnion
M. strictissimum
μm
near Karakemi m.
Omachi
Nagano, 2005
Similar species -->> Chantransia stage of Batrachospermumles;

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Microthamnion
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