image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

Cosmarium alpestre
Roy et Bisset
= Actinotaenium alpestre Roy et Bisset

Cosmarium alpestre
Google Image Search
Species: Cell body medium in size, body length about 4/3 longer than its width, (67-76)-90-105 μm long, (50-62)-75-90 μm wide, constriction (49-56)-79 μm wide; semicell half-circle in shape, apex slightly fattened; cell body covered with minute granules but smooth at the constriction zone; apical view of the cell body broad ellipsoidal (Illustrations of the Japanese fresh-water algae, 1977).
Similar species -->> C. connatum;


Cosmarium alpestre (= Actinotaenium alpestre) Roy et Bisset, scell body μm long, μm wide, L/W=, isthmus μm wide, x 640, Wetland II, Kashibaru marsh, Karatsu city, Saga Pref., Japan, September 9, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium alpestre Cosmarium alpestre Cosmarium alpestre
Cosmarium alpestre Cosmarium alpestre Cosmarium alpestre

Images of collecting locality: Wetland II, Kashibaru marsh, Karatsu city, Saga Pref., Japan, September 9, 2008 by Y. Tsukii


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