Gamophyceae
: Zygnematales: Desmidiaceae
Cosmarium
portianum
var.
nephroideum
Wittrock
Section [ Ornatae ]: Semicells circular, ellipsoid, reniform; cell surface granulated or spiny (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Cosmarium portianum
var.
nephroideum
Wittrock ?, cell body
26
μm long,
20
μm wide, isthmus
10
μm wide, x 640, O-ike (pond), O-ike park, Yabuki town, Fukushima Pref., Japan, August 2003, by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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Section [ Ornatae ]:
Semicells circular, ellipsoid, reniform; cell surface granulated or spiny
(Illustrations of The Japanese Fresh-water Algae, 1977).
31 μm
63 μm
94 μm; x 640
