Methanobacterium flexile Zhu et al., 2011 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Evol. Microbiol. 61::2978 Classification genus Methanobacterium species Methanobacterium flexile Name Homonyms Methanobacterium flexile Zhu et al., 2011