burkholderia arboris burkholderia arboris burkholderia arboris is a gram-negative, aerobic, non-spore-forming bacterium of the genus burkholderia and the family burkholderiaceae. b. arboris belongs to the burkholderia cepacia complex. burkholderia arboris scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: burkholderiaceae genus: burkholderia species: b. arboris binomial name burkholderia arborisvanlaere et al. 2008 type strain ccug 54561, es0263, es0263a, lmg 24066, r-24201, r-24201 t1