nocardioides tritolerans nocardioides tritolerans nocardioides tritolerans is a gram-positive and strictly aerobic bacterium from the genus nocardioides which has been isolated from farming field soil on bigeum island, korea. nocardioides tritolerans scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: propionibacteriales family: nocardioidaceae genus: nocardioides species: n. tritolerans binomial name nocardioides tritoleransdastager et al. 2009 type strain dsm 19319kctc 19289msl-14