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Chlorophyceae: Chlorococcales: Chlorococcaceae (Characiaceae)

Characium

Family: Unicells; cell body spherical or broad ellipsoidal; chloroplasts 1 to several in number, cup-shaped or plate-like, reticulated or star-shaped; with or without pyrenoids; reproduction by autospores and zoospores; many species found in soil (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Unicellular; cell body ellipsoidal or spindle-shaped, attached on a substrate at one end; a single chloroplast plate-like in shape, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
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Characium sieboldii
C. sieboldii
54 μm
Shimo-kawahara p.
Sayama
Saitama, 2005
Characium sieboldii
C. sieboldii ?
50 x 16 μm
Tsuki river
Ogawa
Saitama, 2007
Characium pringsheimii
C. pringsheimii
21 x 6 μm
Gyoda
Saitama, 2001
Characium
C. pringsheimii
36 x 10 μm
Sanda
Hyogo, 2001
Characium
Characium sp.
μm
O-ike park
Yabuki
Fukushima, 2003
Characium
Characium sp.
13 x 3 μm
near Shide-numa
Kita-kawabe
Saitama, 2005
Characium
Characium sp.
μm
Zenko-ji
Nagano, 2003
Characium rabenhorstii
C. rabenhorstii ?
or Xanthophyceae ?
30 x 6 μm
Musashi-urawa
Saitama, 2001
Characium
Characium sp. or
Characiochloris ?
21-23 x 9-13 μm
Hamasaki
Asaka
Saitama, 2004
Characium
Characium sp.
21 x 9 μm
Hamasaki
Asaka
Saitama, 2004
Characium
Characium sp.
or Characiopsis ?
31 x 10 μm
Yamaguchi Univ.
Yamaguchi, 2004
Characium
Characium sp. ?
40, 72 μm
near Owada Park
Saitama
Saitama, 2005
Characium
Characium sp. ?
100 μm
Asa-kawa
Hachioji
Tokyo, 2005
Characium
Characium sp. ?
38 x 13 μm
Urawa Minkaen m.
Midori-ku
Saitama, 2006
Characium
Characium sp. ?
or Characiochloris ?
38 x 14 μm
Japan, 1999
Characium
Characium sp. ?
or Characiochloris ?
μm
Showa-machi g.p.
Showa
Saitama, 2003
Characium ambiguum
C. ambiguum
μm
near R272
Minakami
Gunma, 2007
Characium
Characium sp. ?
μm
G. Suigo p.
Itakura
Gunma, 2003
Similar genus --> > Colacium; Characiopsis; Characiochloris; Hydiranum;

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Characium
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