Azotobacter vinelandii

**Definition:** A species of gram-negative, aerobic bacteria first isolated from soil in Vineland, New Jersey. Ammonium and nitrate are used as nitrogen sources by this bacterium. It is distinguished from other members of its genus by the ability to use rhamnose as a carbon source. (From Bergey's Manual of Determinative Bacteriology, 9th ed)

**Tree numbers:** - B03.440.400.425.625.050.850 - B03.660.250.580.022.820

**Synonyms:** - Azotobacter miscellum