Rhodobacterales

From Greek rhodon, the rose, and bakterion, a rod. This refers to the colour of aerobic phototrophic cultures of this order of bacteria which can be pink or red due to the production of carotenoids.^[4]

• Cavalier-Smith, T (2002). "The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification". Int. J. Syst. Evol. Microbiol. 52 (Pt 1): 7–76. doi:10.1099/00207713-52-1-7. PMID 11837318.
• Woese CR, Stackebrandt E, Weisburg WG, Paster BJ, Madigan MT, Fowler VJ, Hahn CM, Blanz P, Gupta R, Nealson KH, Fox GE (1984). "The phylogeny of purple bacteria: the alpha subdivision". Syst. Appl. Microbiol. 5 (3): 315–326. doi:10.1016/s0723-2020(84)80034-x. PMID 11541974.

• Garrity GM, Bell JA, Lilburn TG (2004). "Taxonomic Outline of the Prokaryotes". Bergey's Manual of Systematic Bacteriology, release 5.0 (2nd ed.). New York: Springer Verlag. doi:10.1007/bergeysoutline200310 (inactive 12 July 2025).{{cite book}}: CS1 maint: DOI inactive as of July 2025 (link)