streptomyces youssoufiensis streptomyces youssoufiensis streptomyces youssoufiensi is a bacterium species from the genus of streptomyces which has been isolated from a phosphate mine in youssoufia in morocco. streptomyces youssoufiensi scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. youssoufiensi binomial name streptomyces youssoufiensihamdali et al. 2011 type strain ccmm b709, dsm 41920, x4