flavobacterium compostarboris flavobacterium compostarboris flavobacterium compostarboris is a gram-negative and aerobic bacterium from the genus of flavobacterium which has been isolated from leaf-and-branch compost from the expo commemoration park in osaka in japan. flavobacterium compostarboris scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: flavobacterium species: f. compostarboris binomial name flavobacterium compostarboriskim et al. 2012 type strain jcm 16527, kacc 14224, strain 15c3