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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum vestitum
var. splendidum Grönblad

Staurastrum Species [var. vestitum]: Cell body 24-25 μm long, 39-47.6 μm wide (including arms), isthmus 7.7-10 μm wide; 2 dichotomous projections at each side.
[var. splendidum Grünblad]: Cell body 21 μm long, 38 μm wide (including arms), isthmus 9 μm wide; 4 short dichotomous projections at each side.
(Illustrations of The Japanese Fresh-water Algae, 1977)

Staurastrum vestitum var. splendidum Grönblad, cell body 42 μm long, 60 μm wide (excluding short spines), isthmus about 12 μm wide, x 640, Azami-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum vestitum Staurastrum vestitum Staurastrum vestitum

Images of collecting locality: Azami-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii

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