Gamophyceae:
Zygnematales: Desmidiaceae
Euastrum sublobatum
Brébisson var. sublobatum
Genus:
Variable in shape and in size; mostly longer than wide; strong constriction at center;
semicell pyramid-shaped, apically flattened with indentation (or notch, some species
lack this notch); laterally straight or wavy or indented; one chloroplast in each semicell;
one pyrenoid for each chloroplast
(Illustrations of The Japanese Fresh-water Algae, 1977).
Subgenus: Atomum (Apical area slightly depressed)
Section: Simplicia (Cell body small; cell surface smooth)
Species:
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Euastrum sublobatum var. sublobatum Brébisson,
cell body μm long, μm wide, L/W=, isthmus μm wide,
x 640, No.1, Ko-numa (pond/marsh), Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, October 12, 2008 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.1, Ko-numa (pond/marsh), Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, October 12, 2008 by Y. Tsukii
Please click on images for viewing enlarged.
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