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Trebouxiophyceae (Pleurastrophyceae): Pleurastrales:
(Chlorophyceae: Trentepohliales: Trentepohliaceae)

 Leptosira terricola
(Bristol) Printz
Syn.: Gongrosira terricola Bristol

Leptosira Genus: Subaerial algae, irregularly branched; cell division by septum formation; asexual reproduction by zoospore; cell body contains a large vacuole (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Filamentous algae consisting of several cells, irregularly branched; cell body cylindrical, ellipsoidal or spherical, 10-30 μm long, 10-20 μm in diam., a single plate-like chloroplast with a pyrenoid; one or two large vacuoles located at the center of the cell body (Illustrations of The Japanese Fresh-water Algae, 1977).

Leptosira terricola (Bristol) Printz (Trentepohliaceae or Chaetophoraceae), stock Sua-1, axenic culture with KCM and Hyponex (March 25 to April 23, 2002), cell body 7-15 μm long, 8-12 μm wide, chloroplast cup-shaped with a pyrenoid, large vacuoles present, x 400, x 640, Akigase Park, Saitama city, Saitama Pref., Japan, March 2002 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Leptosira terricola Leptosira terricola Leptosira terricola Leptosira terricola Leptosira terricola

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