pseudomonas tremae pseudomonas tremae pseudomonas tremae is a white, gram-negative, non-fluorescent, motile, flagellated, aerobic bacterium that infects trema orientalis, from which it derives its name. it was formerly classified as a pathovar of pseudomonas syringae, but following ribotypical analysis, it was instated as a species. the type strain is cfbp 3229. pseudomonas tremae scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: pseudomonadaceae genus: pseudomonas species: p. tremae binomial name pseudomonas tremaegardan, et al. 1999. synonyms pseudomonas syringae pv. tremae dye et al. 1980