xanthomonas vasicola xanthomonas vasicola xanthomonas vasicola is a species of bacteria. xanthomonas vasicola scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: xanthomonadales family: xanthomonadaceae genus: xanthomonas species: x. vasicola binomial name xanthomonas vasicolavauterin et al. 1995