Nitrospirillum irinus (sic) Chung et al. 2016 Nitrospirillum iridis corrig. Chung et al. 2016 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Alphaproteobacteria Garrity et al. 2006 Rhodospirillales Pfennig and Trüper 1971 (Approved Lists 1980) emend. Hördt et al. 2020 Azospirillaceae Hördt et al. 2020 Nitrospirillum Lin et al. 2015 emend. Chung et al. 2015 Nitrospirillum irinus (sic) Chung et al. 2016 Nitrospirillum iridis corrig. Chung et al. 2016 Nitrospirillum Lin et al. 2015 emend. Chung et al. 2015 Nitrospirillum amazonense (Magalhães et al. 1984) Lin et al. 2015 Nitrospirillum irinus (sic) Chung et al. 2016 Nitrospirillum iridis corrig. Chung et al. 2016 Chung E.J. Park T.S. Kim K.H. Jeon C.O. Lee H.-I. Chang W.-S. Aslam Z. Chung Y.R. Nitrospirillum irinus sp. nov., a diazotrophic bacterium isolated from the rhizosphere soil of Iris and emended description of the genus Nitrospirillum 2015 108 3 721 729 Antonie van Leeuwenhoek 0003-6072 1572-9699 10.1007/s10482-015-0528-x 26155773 Chung E.J. Park T.S. Kim K.H. Jeon C.O. Lee H.-I. Chang W.-S. Aslam Z. Chung Y.R. Nitrospirillum irinus sp. nov., a diazotrophic bacterium isolated from the rhizosphere soil of Iris and emended description of the genus Nitrospirillum 2015 108 3 721 729 Antonie van Leeuwenhoek 0003-6072 1572-9699 10.1007/s10482-015-0528-x 26155773