Hyphomicrobium Stutzer and Hartleb 1898 Dataset NCBI Taxonomy Classification kingdom Pseudomonadati phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Hyphomicrobiaceae genus Hyphomicrobium Name Homonyms Hyphomicrobium Hyphomicrobium W1-1B Hyphomicrobium Stutzer and Hartleb 1899 (Approved Lists 1980) emend. Xu et al. 2021 Hyphomicrobium Stutzer and Hartleb 1898