Nostocales Borzì 1914 emend. Castenholz 1984 Nostoc McNeill et al. 2006 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Cyanobacteria Woese et al. 1985 emend. McNeill et al. 2006 non Cyanobacteria Woese et al. 2006 Cyanobacteria (Stanier 1973) Woese et al. 2006 emend. McNeill et al. 2006 non Cyanobacteria Woese et al. 1985 Nostochophycidae None 2015 Nostocales Borzì 1914 emend. Castenholz 1984 Nostochophycidae None 2015 Rivulariaceae None 2015 Capsosiraceae None 2015 Scytonemataceae None 2015 Godleyaceae None 2015 Chlorogloeopsidaceae None 2015 Aphanizomenonaceae None 2015 Gloeotrichiaceae None 2015 Nostocaceae Bagchi et al. 2017 Symphyonemataceae None 2015 Tolypothricaceae None 2015 Hapalosiphonaceae None 2015 Stigonemataceae None 2015 Tolypotrichaceae Alvarenga et al. 2017 Komárek J. Kaštovský J. Mareš J. Johansen J.R. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach 2014 86 4 295 335 Preslia Preslia 0032-7786 Alvarenga D.O. Andreote A.P.D. Branco L.H.Z. Fiore M.F. Kryptousia macronema gen. nov., sp. nov. and Kryptousia microlepis sp. nov., nostocalean cyanobacteria isolated from phyllospheres. 2017 67 9 3301 3309 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002109 28875896 Castenholz R.W. Waterbury J.B. Holt J.G. Group I. Cyanobacteria 1989 3 1 1710 1799 Bergey's Manual of Systematic Bacteriology The Williams and Wilkins Co. Baltimore