Order: Filamentous algae without branching; cell body mostly cylindrical.
Family: Cellwall shows H shape in transverse section;
chloroplasts reticulatedwithout pyrenoids.
Genus: Same as family.
Species:
Microspora sp.,
cell body 18-22 μm long, 9 μm wide, L/W=2-2.4,
x 640, Futayo-no-ike (pond) near Haguro mountain, Haguro town, Yamagata Pref., Japan, July 10, 2005 by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Cell body 22-24 μm long, 9.5 μm wide, L/W=2.3-2.5, x 640
Order: Filamentous algae without branching; cell body mostly cylindrical.
31 μm
