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anabaena

anabaena

anabaena

anabaena and microcystis

Genus: Anabaena | Cyanobacteria

HAB

Species: unknown, collected from Pinto Lake, CA.

Order: Nostocales

Family: Nostocaceae

Description: Colonies grow in filamentous clumps of multi-cell chains. Cells are cylindrical or barrel shaped. The end cells are often much longer than mid-chain cells, and may be hyaline (having a glass-like appearance). Anabaena is one of four cyanobacteria genera that can produce toxins.

Cell Size: 4-50um; varies with type of cell (vegetative smallest, akinetes largest)

Distribution: Common worldwide. 110 species have been described. Both benthic and planktonic species can be found in North America.

 

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