Gamophyceae:
Desmidales: Desmidiaceae
(Charophyceae: Zygnematales: Desmidiaceae)
Micrasterias crux-melitensis
var. superflua Turner
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:
116 μm long, 116 μm wide, constriction 17 μm wide
(Illustrations of The Japanese Fresh-water Algae, 1977).
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Micrasterias crux-melitensis var. superflua Turner,
stock ???, axenic culture with KCM and Hyponex (4/27-6/4, 2002),
cell body μm long, μm wide,
x 640, Toneri Park, Adachi-ku, Tokyo, Japan, December 2001 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
* Micrasterias crux-melitensis (Ehrenberg) Hassall ex Ralfs 1848 var. crux-melitensis:
102-129 μm long,
84-124 μm wide
(Illustrations of The Japanese Fresh-water Algae, 1977).
Micrasterias crux-melitensis (Ehrenberg) Hassall ex Ralfs 1848 var. superflua Turner:
116 μm long,
116 μm wide;
constriction 17 μm wide
(Illustrations of The Japanese Fresh-water Algae, 1977).
Micrasterias radiata Hassall:
123-(140)-195 μm long,
113-(140)-186 μm wide
(Illustrations of The Japanese Fresh-water Algae, 1977).
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