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Chlorophyceae: Chlorococcales: Oocystaceae

Franceia

Family: Unicells or colonies of non-fixed number of cells; cell body variable in shape; one or more chloroplasts variable in shape; asexual reproduction by autospore or autocoenobium (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Unicellular; planktonic; cell body oval or ellipsoidal, both ends rounded, covered with many elongated spiny-projections; one or 2-4 chloroplasts parietal plate-like with a single pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
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Franceia
F. ovalis ?
cell 13 x 9 μm
hairs 8 μm
Uruguay, 1999
Franceia
F. ovalis ?
cell 13 x 10 μm
hairs 8 μm
Ueno
Tokyo, 2001
Franceia
F. ovalis ?
cell 13 X 11 μm
hairs 10 μm
Kawagoe
Saitama, 2001
Franceia
F. ovalis ?
cell 12 X 9-10 μm
Jizoh-bori
Sannoh Park
Saitama, 2005

Franceia sp., ?
cell 5.5 μm
hairs ~11 μm
Abiko
Chiba, 2000
Franceia ovalis
Franceia sp., ?
cell 15 μm
hairs ~20 μm
Hasu-ike
Shiga highland
Nagano, 2005
Similar genus --> Golenkinia (zoospores/autospores);
Dicellula (autocoenobium);

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Franceia
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