Gamophyceae:
Zygnematales: Desmidiaceae
Euastrum sinuosum
Lenormand var. sinuosum
Subgenus: Entomum (Apical area deeply indented or notched)
Section: Incisa (Cell surface smooth; apical area without spiny projections)
Species:
Cell body 60-74 μm long, 34-46 μm wide, isthmus 8-15 μm wide,
(Illustrations of the Fresh-water Algae, 1977).
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Euastrum sinuosum Lenormand var. sinuosum ?,
cell body 66 μm, 44 μm wide, constriction 16 μm wide,
L/W=1.5, isthmus μm wide,
x 400, x 640, Vermont-Maine U.S.A., August 7-13, 1999, by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Euastrum sinuosum Lenormand var. sinuosum:
Cell body 60-74 μm long, 34-46 μm wide, isthmus 8-15 μm wide,
(Illustrations of the Fresh-water Algae, 1977).
Euastrum sinuosum var. germanicum (Raciborski) Lütkemüller:
Cell body 59-78 μm long, 36.5-47.6 μm wide, isthmus 7-12.5 μm wide,
L/W=1.5-1.75
(Illustrations of the Fresh-water Algae, 1977).
Please click on images for viewing enlarged.
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