image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

 Cosmarium portianum
W. Archer var. portianum

Cosmarium portianum Section [ Ornatae ]: Semicells circular, ellipsoid, reniform; cell surface granulated or spiny (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:

Cosmarium portianum W. Archer var. portianum ?, cell body 38 μm long, 27 μm wide, L/W=, isthmus μm wide, x 640, No.1, Numappara marsh, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, September 3, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cosmarium portianum Cosmarium portianum Cosmarium portianum

Images of collecting locality: No.1, Numappara marsh, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, September 3, 2007 by Y. Tsukii

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