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Bacillariophyceae: Pennales: Raphidineae: Naviculaceae

 Pinnularia gibba
Ehrenberg

Pinnularia gibba Genus:
Species: Cell body 50-140 μm long, 7-13 μm wide (Süßwasserflora von Mitteleuropa 2/1, Bacillariophyceae 1, 1997).

Pinnularia gibba f. subundulata ?, cell body 215 μm long, 26 μm wide, L/W=8.3, x 640, Yasuragi-no-ike (pond), Oura central park, Oura town, Gunma Pref., Japan, February 2006 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Pinnularia gibba Pinnularia gibba

Images of collecting locality: Yasuragi-no-ike (pond), Oura central park, Oura town, Gunma Pref., Japan, February 2006 by Y. Tsukii

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