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Chlorophyceae: Chlorococcales: Scenedesmaceae

 Crucigenia fenestrata
Schmidle

Crucigenia Genus: Arrangement of 4 daughter cells flat and rectangular in shape, forming composite coenobium; without gelatinous sheaths, no hairly projections (Illustrations of the Japanese Freshwater Algae, 1977).
Species:

Crucigenia fenestrata (Schmidle) Schmidle var. fenestrata, coloy 15 μm long, 13 μm wide, L/W=1.2, cell body 10 μm long, 3 μm wide, L/W=3.3, x 640, No.6, Omine-numa (pond/marsh), Omine, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, April 15, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Crucigenia fenestrata Crucigenia fenestrata Crucigenia fenestrata

Images of collecting locality: No.6, Omine-numa (pond/marsh), Omine, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, April 15, 2007 by Y. Tsukii

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