Anabaena cf. circinalis

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Taxonomic Group:Cyanobacteria
Trophic Status:Autotrophic
Size Range:6.5-7.5 μm wide (LUMCON Guide)
Key Characteristics:Cells greater than 5 μm wide; heterocytes and akinetes are rounded and tend to be about the same size as vegetative cells; chains in relaxed coils
Confused With:Anabaena flos-aquae, which has similarly coiled chains, but akinetes that are more oblong and slightly convex
Toxin:Anatoxins, microcystins, saxitoxins