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Chlorophyceae: Chlorococcales: Micractiniaceae

Acanthosphaera zachariasii
Lemmermann var. zachariasii

Acanthosphaera Genus: Unicells, planktonic; cell body spherical, surrounded by many elongated spiny projections, 1/3 from their base thickened, remainings hairly; a single chloroplast cup-shaped, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: Cell body spherical, 8-15 μm in diam., spiny projections 30-38 μm long (Introduction to the Freshwater Algae, 1999).


Acanthosphaera zachariasii Lemmermann var. zachariasii, cell body μm long, μm wide, x 640, O-ike (pond), O-ike park, Yabuki town, Fukushima Pref., Japan, August 2003, by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Acanthosphaera zachariasii Acanthosphaera zachariasii
Acanthosphaera zachariasii Acanthosphaera zachariasii Acanthosphaera zachariasii


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