Sulfur bacteria may refer to:
- Green sulfur bacteria
- Purple sulfur bacteria
- Sulfate-reducing bacteria
- Sulfur-reducing bacteria
Famous quotes containing the word bacteria:
“To the eyes of a god, mankind must appear as a species of bacteria which multiply and become progressively virulent whenever they find themselves in a congenial culture, and whose activity diminishes until they disappear completely as soon as proper measures are taken to sterilise them.”
—Aleister Crowley (18751947)