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Gamophyceae: Zygnematales: Desmidiaceae
(Chlorophyceae: Zygnematales: Gonatozygaceae or Mesotaeniaceae)

Roya obtsusa
var. anglica (G.S. West) Willi Krieger

Roya 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 μm long, μm wide, L/W=, x 640, a drainage ditch along northern side of Akaiyaji-shoya-shokubutu-gunraku (Akai wetland), Aizuwakamatsu city, Fukushima Pref., Japan, May 4, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Roya obtsusa Roya obtsusa Roya obtsusa Roya obtsusa Roya obtsusa Roya obtsusa

Images of collecting locality: A drainage ditch along northern side of Akaiyaji-shoya-shokubutu-gunraku (Akai wetland), Aizuwakamatsu city, Fukushima Pref., Japan, May 4, 2008 by Y. Tsukii


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