Growth At Growth In
F  
+ Gram reaction
co Morphology
- Alpha hemolysis
- Beta hemolysis
+ Voges-Proskauer
- Catalase
- H2S production
+ Arginine
- 4°C
+ 15°C
+ 45°C
+ 6.5% NaCl
+ 7.0% NaCl
- 10% NaCl
- pH 2
- pH 3.9
+ pH 9.6
Table 4: Morphological, cultural, and physiological characteristics of the F 2.1.