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The Nostocales are an order of cyanobacteria containing most of its species. It includes filamentous forms, both simple or branched, and both those occurring as single strands or multiple strands within a sheath. Some members show a decrease in width from the base, and some have heterocysts.

Nostocales
Anabaenaflosaquae EPA.jpg
Anabaena flos-aquae
Scientific classification
Domain: Bacteria
Kingdom: Eubacteria
Phylum: Cyanobacteria
Order: Nostocales
T.Cavalier-Smith
Families[1][2]
Synonyms
  • Hormogonales

ReferencesEdit

  1. ^ Komárek J, Kaštovský J, Mareš J, Johansen JR (2014). "Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach" (PDF). Preslia. 86: 295–335. 
  2. ^ Nostocales on www.bacterio.cict.fr