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Gamophyceae: Desmidales: Desmidiaceae
(Charophyceae: Zygnematales: Desmidiaceae)

 Micrasterias apiculata
(Ehrenberg) Meneghini ex Ralfs

Micrasterias apiculata Genus: Cell body flat, large, variable in shape, longer than wide; strong constriction at center; each semicell with several notches; cell wall with many short spines (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:

Micrasterias apiculata (Ehrenberg) Meneghini ex Ralfs cell body 254 μm long, 200 μm wide (excluding spines), L/W=1.3, isthmus 56 μm wide, x 200, x 400, x 640, Midori-no-ike (pond), Togakushi Forest Botanical Garden, Togakushi highland, Shinano town, Nagano Pref., Japan, June 12, 2005 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
Micrasterias apiculata Micrasterias apiculata Micrasterias apiculata Micrasterias apiculata
x 640
Micrasterias apiculata Micrasterias apiculata

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