Species[ var. logiense]:
Cell body slightly longer than width, 59-65 μm long, 48-53 μm wide,
isthmus 16-22.4 μm wide; semicells reniform, basal corners rounded, with 2 pyrenoids.
[f. expansa]:
Cell body slightly longer than width, 64.4-67 μm long, 50.4-53 μm wide,
isthmus 16.8-18 μm wide; semicells reniform, basal corners rounded,
apex broader than that of var. logiense; cell wall covered with many granules
(Illustrations of The Japanese Fresh-water Algae, 1977).
|
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
