Gamophyceae:
Zygnematales: Desmidiaceae
(Chlorophyceae: Zygnematales: Gonatozygaceae or Mesotaeniaceae)
Roya obtsusa
var. anglica (G.S. West) Willi Krieger
Genus: Cell body elongate cylindrical;
(Illustrations of The Japanese Fresh-water Algae, 1977) .
Species:
Roya obtsusa var. anglica (G.S. West) Willi Krieger ?,
cell body 51 μm long, 8 μm wide, L/W=6.4,
x 640, standing water near Akaiyaji-shoya-shokubutu-gunraku (Akai wetland), Aizuwakamatsu city, Fukushima Pref., Japan, May 4, 2005 by Y. Tsukii 50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Cell body 74 μm long, 8 μm wide, L/W=9.3, x 640
Zygotes 21 μm in diam., x 640
Genus: Cell body elongate cylindrical;
(Illustrations of The Japanese Fresh-water Algae, 1977) .
50 μm
