streptomyces pratens streptomyces pratens streptomyces pratens is a bacterium species from the genus of streptomyces which has been isolated from soil from a hay meadow. streptomyces pratens scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. pratens binomial name streptomyces pratenskim et al. 2012 type strain cgmcc 4.5800, kacc 20904, bk138