Volvulina steinii
Nozaki 1989 (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000)
Playfair 1915 (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983; John et al. eds. 2002)
Genus:
Species:
Colony without gelatinous sheath; cells lack pyrenoids
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
Similar genus -->>Eudorina; Volvulina steinii Playfair,
daughter colonies formed within a mother colony,
cell body μm long, μm wide,
x 640, rice field, Higashi-sano (near Minami-kamishiro railway station), Hakuba village, Nagano Pref., Japan, October 3, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640