massilia arvi massilia arvi massilia arvi is a gram-negative, aerobic and non-motile bacterium from the genus massilia which has been isolated from soil which was cultivated with brassica oleracea. massilia arvi scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: oxalobacteraceae genus: massilia species: m. arvi binomial name massilia arvisingh et al. 2015 type strain cctcc ab 2015115, kctc 42609, thg-rs2o