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Gamophyceae: Zygnematales: Desmidiaceae

Staurastrum apiculatum
Brébisson
= Staurodesmus apiculatus (Joshua) Islam & Haroon (Ling & Tyler, Australian Freshwater Algae, 2000)
= Std. dejectus (Ralfs) Teiling var. apiculatus (Bréb.) Teiling (Coesel & Meesters, Desmids of the Lowlands, 2007)

Genus: Cell body short, radiate in shape; apical view of the cell, triangular, polygonal, ellipsoidal or spindle-shaped; zygospores formed outside of mother cells (Illustrations of The Japanese Fresh-water Algae, 1977)
Subgenus: lacks arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)

Species: Cell body 17-25 μm long, 17-25 μm wide (without spines), isthmus 5.6-8 μm wide, (Illustrations of The Japanese Fresh-water Algae, 1977)
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Staurastrum
S. apiculatum
19 x 20 μm
Uruguay, 1999
Staurastrum apiculatum
S. apiculatum
18 x 19, ? x 17 μm
Kashibaru m.5
Karatsu
Saga, 2006
Staurastrum apiculatum
S. apiculatum
μm
Kashibaru m
Karatsu
Saga, 2008
Staurastrum apiculatum
S. apiculatum
μm
Nabekura highland
Iiyama
Nagano, 2008
Similar species -->> S. connatum;

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Staurastrum
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