image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum arachne
Ralfs var. arachne

Staurastrum Genus: Cell body short, radiate in shape; apical view of the cell, triangular, polygonal, ellipsoidal or spindle-shaped; zygospores formed outside of mother cells (Illustrations of The Japanese Fresh-water Algae, 1977)
Subgenus: with arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Species:

Staurastrum arachne Ralfs var. arachne, cell body μm long, μm wide, L/W=, isthmus μm wide, x 640, No.11, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, November 15, 2008, by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum arachne Staurastrum arachne Staurastrum arachne Staurastrum arachne Staurastrum arachne Staurastrum arachne Staurastrum arachne

Please click on images for viewing enlarged
Copyright Protist Information Server