Hyphomicrobium Stutzer & Hartleb, 1899 Dataset Checklist of Vermont Species Rank GENUS Classification kingdom Bacteria phylum Proteobacteria class Alphaproteobacteria order Rhizobiales family Hyphomicrobiaceae genus Hyphomicrobium Name Homonyms Hyphomicrobium Stutzer & Hartleb, 1899