image_list image_listE

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 μm long, 3-6 μm wide, x 400, x 640, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, March 2001 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Anabaena Anabaena Anabaena


Please click on images for viewing enlarged.
Copyright Protist Information Server