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Gamophyceae: Zygnematales: Desmidiaceae

Cosmarium australe
(Raciborski) Lütkemüller
= Actinotaenium australe (Raciborski) Teiling ?

Cosmarium australe Section [ Actinotaenium ]: Cell body cylindrical, slightly constricted at the center, cell surface smooth or dotted or punctated (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Cell body medium in size, 65-(67-79) μm long, 38-40-(41-45) μm wide, isthmus 37-(39-41) μm wide, L/W=1.5; semicells semielliptical, with slightly flattened apex, apical view circular; cell wall dotted (Illustrations of The Japanese Fresh-water Algae, 1977).


Cosmarium australe (Raciborski) Lütkemüller, cell body μm long, μm wide, L/W=, x 640, No. 5, Miyatoko marsh, Minami-Aizu town, Fukushima Pref., Japan, June 15, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium australe Cosmarium australe Cosmarium australe

Images of collecting locality: No. 5, Miyatoko marsh, Minami-Aizu town, Fukushima Pref., Japan, June 15, 2008 by Y. Tsukii


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