image_list image_listE

Gamophyceae: Zygnematales: Zygnemataceae

 Zygnema cruciatum
(Vaucher) Agardh

Zygnema 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:

Zygnema cruciatum (Vaucher) Agardh or Z. fanicum Li ?, cell body μm long, 32 μm wide, x 640, Ooi-Yacho Park, Ota-ku, Tokyo, Japan, January 2003 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Zygnema Zygnema Zygnema
Zygnema Zygnema Zygnema Zygnema

Zygnema excompressum Transeau: vegetative cells 32-80 μm long, 23-26 μm diam., 2 chloroplasts in each cell

Please click on images for viewing enlarged.
Copyright Protist Information Server