Streptomyces nigrescens (Sveshnikova, 1957) Pridham et al., 1958 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 30::393 Classification genus Streptomyces species Streptomyces nigrescens Name Homonyms Streptomyces nigrescens (Sveshnikova, 1957) Pridham et al., 1958