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(Microbiology) the former name for cyanobacteria
any of various groups of prokaryotic microorganisms of the phylum Cyanophyta, containing chlorophyll and a blue pigment. Also called cyanobacteria.
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|Noun||1.||blue-green algae - predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton|
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
class Cyanobacteria, class Cyanophyceae, Cyanophyceae - photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins; once thought to be algae: blue-green algae
nostoc - found in moist places as rounded jellylike colonies
trichodesmium - large colonial bacterium common in tropical open-ocean waters; important in carbon and nitrogen fixation