Genus: Filament without branching; cell body cylindrical; two chloroplasts star-shaped;
tubes formed (or cell body fused) at conjugation; zygospore spherical or broad ellipsoidal formed within female gametangium
(Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: |
50 μm
100 μm
150 μm; x 400
31 μm
63 μm
94 μm; x 640
Zygnema excompressum Transeau: vegetative cells 32-80 μm long, 23-26 μm diam., 2 chloroplasts in each cell