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Definition of Blue-green algae
1. Noun. Predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton.
Exact synonyms: Cyanobacteria
Generic synonyms: Eubacteria, Eubacterium, True Bacteria
Group relationships: Class Cyanobacteria, Class Cyanophyceae, Cyanophyceae
Specialized synonyms: Nostoc, Trichodesmium
Derivative terms: Cyanobacterial
Generic synonyms: Eubacteria, Eubacterium, True Bacteria
Group relationships: Class Cyanobacteria, Class Cyanophyceae, Cyanophyceae
Specialized synonyms: Nostoc, Trichodesmium
Derivative terms: Cyanobacterial
Medical Definition of Blue-green algae
1. The former name for the blue-green bacteria, now classified as Cyanobacteria. A group of prokaryotes. Synonym: Cyanobacteria. (05 May 2002)