Nara T, et al. Antibiotic XK-49-1-B-2 and process for production thereof using Streptosporangium violaceochromogenes. US Patent 3,922,343 dated Nov 25 1975
Skerman VB, et al. Approved lists of bacterial names. Int J Syst Bacteriol 30: 225-420, 1980.
type strain