image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum arctiscon
(Ehrenberg) Lundell

Staurastrum arctiscon Section: Radiatiformes (Apexes of semicells with projections; arm-like projections smooth) (Illustrations of The Japanese Fresh-water Algae, 1977)
Species: Cell body 50-96 μm long (excluding arms), 56-155 μm long (including arms), 36-68 μm wide (excluding arms), 77-160 μm wide (including arms), constriction 24-33 μm wide, (Illustrations of The Japanese Fresh-water Algae, 1977)

Staurastrum arctiscon (Ehrenberg) Lundell, cell body 57 μm long (excluding arms), 105 μm long (including arms), μm wide, L/W=, x 640, Lake Biwa near Irie bridge, Maibara city (formerly Maihara town), Shiga Pref., Japan, June 30, 2008, 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
Staurastrum arctiscon Staurastrum arctiscon Staurastrum arctiscon Staurastrum arctiscon Staurastrum arctiscon

Images of collecting locality: Lake Biwa near Irie bridge, Maibara city (formerly Maihara town), Shiga Pref., Japan, June 30, 2008, by Y. Tsukii

Please click on images for viewing enlarged
Copyright Protist Information Server