roseomonas nepalensis roseomonas nepalensis roseomonas nepalensis is a species of gram negative, strictly aerobic, coccobacilli-shaped, wine-red-colored bacterium. it was first isolated from oil-contaminated soil from biratnagar, nepal. the name is derived from the country from which it was first isolated. roseomonas nepalensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodospirillales family: acetobacteraceae genus: roseomonas species: r. nepalensis binomial name roseomonas nepalensischaudhary 2017 r. nepalensis can grow in the 15-40 °c range and ph 6.0-10.0.