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Blue algae
![](/public/Final-Images/PL_Final685z_051-100/PL0051_685zScytonema1Prokaryote.jpg)
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