is a species of the class Alphaproteobacteria in the family Hyphomicrobiaceae and order Rhizobiales.
Hyphomicrobium aestuarii
Hyphomicrobium chloromethanicum
Hyphomicrobium coagulans
Hyphomicrobium denitrificans
Hyphomicrobium facile
Hyphomicrobium hollandicum
Hyphomicrobium methylovorum
Hyphomicrobium sulfonivorans
Hyphomicrobium vulgare
Hyphomicrobium zavarzinii