Search in gallery Blue algae - Large (118 Kb) - Scroll down   to information With labels Legend: 1  cyanobacterium 3  acineet 2  heterocyst   English name: Scientific name: Scytonema sp. Familia: Cyanophyceae Classis: Cyanophycea Phylum: Cyanobacteria Regnum: Bacteria Scytonema is a filamentous, heterocystous, N-fixing blue alga

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