image_list image_listE

Cyanophyceae: Nostocales: Nostocaceae

 Nodularia sp.
[Mertens in Jürgens 1822] Bornet et Flahault 1886

Nodularia 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 at base never become a large akinete (Illustrations of The Japanese Fresh-water Algae, 1977).

Nodularia sp. (Nostocaceae, Nostocales), cell body 6-8 μm long, 20 μm wide, x 200, x 400, x 640, Aquatic botanical garden, Sawara city, Chiba Pref., Japan, October 11, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Nodularia Nodularia Nodularia Nodularia Nodularia Nodularia Nodularia Nodularia

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