organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990 Phylum "Nitrogen-Fixing Aerobic Bacteria" see Phylum Proteobacteria Garrity and Holt 2001 Genus Azotobacter Beijerinck 1901 (Approved Lists 1980) Azotobacter vinelandii Lipman 1903 (Approved Lists 1980)