Gamophyceae:
Zygnematales: Desmidiaceae
Cosmarium lundellii
Delponte var. circulare (Reinsch) Krieger
Genus: Unicellular; variable in shape; a constriction at the center of the cell body;
mostly longer than wide; flattened; each semicell hemispherical, spherical, ellipsoidal,
rectangular, pyramidal or kidney-shaped; no apical indentation
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
(Illustrations of The Japanese Fresh-water Algae, 1977).
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C. pachydermum;
Cosmarium lundellii Delponte var. circulare (Reinsch) Krieger ?,
cell body μm long, μm wide, L/W=, isthmus μm wide,
x 640, No.1, Water reservoir, near Teruoka pasture, Nabekura highland, Iiyama city, Nagano Pref., October 19, 2008, by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Water reservoir, near Teruoka pasture, Nabekura highland, Iiyama city, Nagano Pref., October 19, 2008, by Y. Tsukii
Cosmarium lundellii Delponte var. circulare (Reinsch) Krieger:
(Illustrations of the Japanese Fresh-water Algae, 1977)
Cosmarium lundellii Delponte var. corruptum (Turner) W. et G.S. West:
(Illustrations of the Japanese Fresh-water Algae, 1977)
Cosmarium lundellii Delponte var. pachydermum Hinode:
(Illustrations of the Japanese Fresh-water Algae, 1977)
Cosmarium lundellii Delponte var. ellipticum W. West:
(Illustrations of the Japanese Fresh-water Algae, 1977)
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