Rhodomicrobium

**Definition:** A genus, in the family HYPHOMICROBIACEAE, comprised of ovoid-shaped bacteria with polar growth and a characteristic vegetative growth cycle. Cells grow preferably photoheterotrophically under anaerobic conditions in the light, but will also grow under microaerobic or aerobic conditions in the dark. (From Bergey's Manual of Determinative Bacteriology, 9th ed)

**Tree numbers:** - B03.440.645 - B03.660.050.350.675