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Gamophyceae: Desmidales: Desmidiaceae
(Charophyceae: Zygnematales: Desmidiaceae)

Spondylosium javanicum
(Gutwinski) Gröblad var. javanicum

Spondylosium javanicum Genus: cell body flat, constricted at the center; semicell ellipsoidal or subtriangular, central area of the apex slightly elevated, cells connected with each other at their central area of apex forming filament.
Species: Cell body 25-38 μm long, 20-26 μm wide; constriction 7-10 μm; indentation widely opened and rounded the the extremity; semicells subtriangular with broadly rounded margins; vertical view of semicells triangular with broadly rounded angles and sides strongly concave; filaments not twisted (Phtomicrographs of the Fresh-water Algae, vol.3, 1985)

Spondylosium javanicum (Gutwinski) Grünblad var. javanicum, cell body 26 μm long, 21 μm wide, isthmus 7-8 μm wide,@ x 640, Kabuto-yama sizen-kansatsu ike (pond), Kabuto-yama, Nishi-no-miya city, Hyogo Pref., Japan, September 10, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Spondylosium Spondylosium

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