oxalicibacterium flavum oxalicibacterium flavum oxalicibacterium flavum is a gram-negative, rod-shaped, non-spore-forming, yellow-pigmented, and oxalotrophic bacterium from the genus oxalicibacterium and family oxalobacteraceae. its 16s rrna gene sequence analysis has shown that it belongs to the order betaproteobacteria. oxalicibacterium flavum scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: oxalobacteraceae genus: oxalicibacterium species: o. flavum binomial name oxalicibacterium flavumtamer et al. 2003, sp. nov. type strain a.ü. tamer ta17, ccm 7086, ccug 48438, cip 107889, cip 1078896t, dsm 15506, kuen 1580, lmg 21571, neu 98, rskk 3004, sahin ta17, ta17