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Gamophyceae: Desmidales: Desmidaceae or Peniaceae
(Charophyceae: Zygnematales: Desmidaceae)

Penium polymorphum
Perty

Penium polymorphum Species: Cell body cylindrical or ellipsoidal, tapered to both ends, 35-79 μm long, (16-21)-36 μm wide; both ends broadly rounded; cell wall thin, brownish in color, finely lined (15-18/10 μ) (Illustrations of The Japanese Fresh-water Algae, 1977).


Penium polymorphum Perty ?? or Cosmarium sp. ?, cell body (right) 2 μm long, 26 μm wide, L/W=2.7, x 640, No.2, Mizunashi-Yachi, Komado marsh (No.9), Showa village and Tajima town, Fukushima Pref., Japan, May 21, 2007, by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Penium Penium

Images of collecting locality: No.2, Mizunashi-Yachi, Komado marsh (No.10), Showa village and Tajima town, Fukushima Pref., Japan, May 21, 2007, by Y. Tsukii


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