Species:
Cell body ellipsoidal, 20-33 μm long, 12-15 μm wide;
chloroplast cup-shaped, longitudinally striated (or incised); a pyrenoid located at the
center of the cell; papilla absent;
stigma elongated, located at anterior half of the cell; nucleus anterior
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
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