Frustulia rhomboides
(Ehrenberb) De Toni var. rhomboides
Genus:
Species:
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Frustulia rhomboides (Ehrenberb) De Toni ?,
cell body 123 μm long, 24 μm wide, L/W=5.1,
x 640, Tashirodaira marsh, Hakkoda mountain, Aomori city, Aomori Pref., Japan, July 17, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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