Azotobacter chroococcum Beijerinck, 1901 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 30::255 Classification genus Azotobacter species Azotobacter chroococcum Name Homonyms Azotobacter chroococcum Beijerinck, 1901