According to Szabo and Fernandez (1984), this species is an earlier heterotypic synonym of Micromonosporabrunnea Sveshnikova et al. 1969 (Approved Lists 1980).Publication:
Szabó Z, Fernandez C. Micromonospora brunnea Sveshnikova, Maksimova, and Kudrina 1969 is a junior subjective synonym of Micromonospora purpureochromogenes (Waksman and Curtis 1916) Luedemann 1971. Int. J. Syst. Bacteriol. 1984; 34:463-464.