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).

Cell body laterally straight
Oedogonium sp. Oogonium x 40 μm Fujioka Tochigi, 2001	Oedogonium sp.11 zoospores x 40 μm Kurihashi Saitama, 2001	Oedogonium sp.11 65-103 x 40 μm Uchi-ike Kurihashi Saitama, 2006	Oedogonium sp.11 39-73 x 37 μm USA, 1999
Oedogonium sp.11 60-70 x 30-33 μm Ichono-kawa Higashi-Matsuyama Saitama, 2006	Oedogonium sp.11 x 35-40 μm Kozuki Pond Takamatsu Kagawa, 2002
Oedogonium sp.11 69-88 x 35 μm Japan, 1998	Oedogonium sp.11 69-78 x 35 μm Yamagata, 1999	Oedogonium sp.11 x 34 μm Koshigaya Saitama, 2001	Oedogonium sp.11' 50-56 x 34 μm Japan, 1998
Oedogonium sp.11 69-81 x 31 μm chloroplasts scarce Yamagata, 1999	Oedogonium sp.11 69-81 x 31 μm Kiyasse-Hanyu Hanyu Saitama, 2006	Oedogonium sp. μm Nanbata-shinden Fujimi Saitama, 2004	Oedogonium sp. 90-116 x 35 μm Obihiro-Hasshonochi Obihiro Hokkaido, 2005

Similar Genus ->> Oedocladium

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