Chlorophyceae:
Oedogoniales: Oedogoniaceae
Oedogonium sp.
Order & Family:
Filamentous algae; cell division occurs near septum and adds "apical cap"
(folded structure near the septum) ; cell body cylindrical, laterally straight or wavy or
swell at one end of the cell body ("capitellate") in some species;
chloroplasts reticulated with many pyrenoids;
asexual reproduction by zoospore; sexual reproduction by fertilization by egg and sperm;
monoecious or dioecious.
Genus: linear filament without branching
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
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Similar Genus ->> Oedocladium
Oedogonium sp. ?,
cell body 15-25 μm long, 7-8 μm wide, L/W=2.1-3.1,
x 640, Kisuge konuma (a small pond near Mikura mountain 1888 h), Shimogo town, Fukushima Pref. (boundary at Nasu-shiobara city, Tochigi Pref.), Japan, August 29, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii
50 μm
100 μm
150 μm; x 400
Oedogonium,
cell body 14-26 μm long, 7-8 μm wide, L/W=1.8-3.7,
x 640, Kisuge konuma (a small pond near Mikura mountain 1888 h), Shimogo town, Fukushima Pref. (boundary at Nasu-shiobara city, Tochigi Pref.), Japan, August 29, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii
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