Genus: Subaerial algae, irregularly branched; cell division by septum formation; asexual reproduction by zoospore;
cell body contains a large vacuole
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Leptosira sp. ?,
cell body μm long, μm wide,
x 640, Numappara marsh, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, August 2003 by Y. Tsukii
31 μm
63 μm
94 μm; x 640