image_list image_listE

Gamophyceae: Zygnematales: Zygnemataceae

 Spirogyra sp.

Spirogyra Genus: Filament without branching; cell body cylindrical; one or several chloroplasts band-shaped, spirally arranged within the cell, pyrenoids present; septum with or without folded structure (Guide book to the "Photomicrographs of the Freshwater Algae", 1998). About 300 species (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:

Spirogyra sp., vegetative cells 81 μm long, 22 μm diam., band-form chloroplast making ? turns in each cell, x 100, x 200, x 400, x 640, Kurome River, Asaka City, Saitama Pref., Japan, September 2000, by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200 : scale 50 μm scale 100 μm scale 150 μm; x 400
Spirogyra Spirogyra Spirogyra Spirogyra
Spirogyra Spirogyra Spirogyra Spirogyra
Spirogyra Spirogyra Spirogyra

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