pseudomonas vancouverensis pseudomonas vancouverensis pseudomonas vancouverensis is a gram-negative soil bacterium that grows on pulp mill effluents with resin acids. it was first isolated in canada. pseudomonas vancouverensis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: pseudomonadaceae genus: pseudomonas species: p. vancouverensis binomial name pseudomonas vancouverensismohn, et al. 1999 type strain atcc 700688