acidovorax valerianellae acidovorax valerianellae acidovorax valerianellae is a gram-negative bacterium. acidovorax valerianellae scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: acidovorax species: a. valerianellae binomial name acidovorax valerianellaegardan et al. 2003