Blastochloris sulfoviridis (Keppen and Gorlenko 1975) Hiraishi 1997 Rhodopseudomonas sulfoviridis Keppen and Gorlenko 1975 (Approved Lists 1980) Hiraishi A. Transfer of the bacteriochlorophyll b-containing phototrophic bacteria Rhodopseudomonas viridis and Rhodopseudomonas sulfoviridis to the genus Blastochloris gen. nov. 1997 47 1 217 219 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-47-1-217 8995826 Keppen O.I. Gorlenko V.M. A new species of purple budding bacteria containing bacteriochlorophyll b. 1975 44 258 264 Mikrobiologiya (Russian) 0026-3656 1226139