Gamophyceae
: Zygnematales: Desmidiaceae
Staurastrum
proboscideum
(Brébisson) Archer
Subgenus: with arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Species:
Staurastrum proboscideum
(Brébisson) Archer ??, cell body
40
μm long,
30
μm wide, L/W=
1.3
, isthmus
13
μm wide, x 640, Tenbo marsh (or bog), Tsugaike highland (Tsugaike Natural Park), Otari village, Nagano Pref., Japan, July 3, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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