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Cyanophyceae: Nostocales: Nostocaceae

Anabaena sp.
Bory de St. Vincent 1822 sensu Rippka et al. 1979 (Bergey's Manual 2nd. 2001)

Family: Trichome (filamentous structure) with heterocysts; with equal diameter throughout hole length; no branching; heterocysts intervening or at base.
Genus: Mucous sheath, nearly invisible; heterocysts intervening; filments solitary or agglutinate within a gelatinous matrix (Illustrations of The Japanese Fresh-water Algae, 1977).


Anabaena sp., cell body 2.5-5 μm long, 7 μm wide, x 640, wetland, near Town Hall, Shobu town, Saitama Pref., Japan, June 27, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Anabaena Anabaena

Anabaena sp., cell body 4-6.5 μm long, 7 μm wide, x 640, wetland, near Town Hall, Shobu town, Saitama Pref., Japan, June 27, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Anabaena


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