nocardia brasiliensis nocardia brasiliensis nocardia brasiliensis is a species of nocardia. as with most members of actinomycetota, they contain high guanine and cytosine content. it can cause nocardiosis. nocardia brasiliensis scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: mycobacteriales family: nocardiaceae genus: nocardia species: n. brasiliensis binomial name nocardia brasiliensis(lindenberg 1909) pinoy 1913 (approved lists 1980)