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Chlorophyceae: Chlorococcales

 Chlorococcum infusionum
(Schrank 1811) Meneghini 1842

Chlorococcum minimum Genus: Subaerial algae; cell body without gelatinous coat; a single chloroplast cup-shaped with a pyrenoid (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Cell body 10-20 (up to 40) μm in diam., zoospore 6-10 μm long, 3-5 μm wide (Süßwasserflora von Mitteleuropa 10, Chlorophyta II, 1988).

Chlorococcum infusionum (Schrank 1811) Meneghini 1842 (or Chlorococcum minimum Ettl et Gärtner 1987 ?), stockSak-1, axenic culture with Hyponex & KCM, zoospore formation, zoospores ellipsoidal in shape, 8 μm long, 3 μm wide, x 400, x 640, Kurome River, Asaka city, Saitama, 2000 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum
Zoospores
Chlorococcum minimum Chlorococcum minimum

C. infusionum (Schrank 1811) Meneghini 1842 (or Chlorococcum minimum Ettl et Gärtner 1987 ?), stock Sak-1, axenic culture with Hyponex and KCM, in flask (Jan/24-Jan/26, 2001), x 640, Kurome River, Asaka city, Saitama Pref., 2000 by Y. Tsukii
Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum Chlorococcum minimum

C. infusionum (Schrank 1811) Meneghini 1842 (or Chlorococcum minimum Ettl et Gärtner 1987 ?), stock Sak-1, axenic culture with Hyponex and KCM, after prolonged culture (8/2-9/18), cell body μm long, μm wide, x 640, 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Chlorococcum minimum Chlorococcum minimum

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