| Bacteria | Gram rxn | Shape | Endospore | Capsules | Motility | O2 Req. | Pigment | Hemolysis | Prod. Of H2S | Indole | MR | VP | Citrate | Urease | Ferm. of Glucose | Ferm. of Lactose | Ferm. of Sucrose | Ferm. of Mannitol | Red. Of Nitrates | Arginine | Lysine | Ornithine | Gelatinase | Catalase | Oxidase | Starch | Casein | Phenylalanine | DNase | Opt. Temp | Other Temps | Coagulase | Lancefield | Growth in NaCl | Bile Esculin |
| Acinetobacter baumannii | - | R | - | + | - | A | - | - | - | - | | + | + | - | A | - | - | - | - | + | | + | - | + | - | - | | - | - | 33-35℃ | grows 15℃ - 44℃ |
| Acinetobacter haemolyticus | - | R | - | + | - | A | - | β | - | - | | - | + | - | V | - | - | - | - | + | | - | + | + | - | - | | - | - | 33-35℃ | max 37℃ |
| Alcaligenes faecalis | - | R | - | + | + | A | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | - | + | + | - | | + | - | 20-37℃ |
| Alcaligenes latus | - | R | - | + | + | A | + | - | - | - | - | - | + | - | A | - | - | - | + | - | - | - | + | + | + | - | | + | - | 20-37℃ |
| Bacillus cereus | + | R | + | - | + | FA | - | β | - | - | | + | + | V | A | - | A | - | + | - | - | - | + | + | V | + | + | - | + | 30℃ | grows 20℃ - 45℃ |
| Bacillus megaterium | + | R | + | + | + | A | - | - | - | - | - | - | + | + | A | - | A | A | - | - | - | - | + | + | + | + | + | + | + | 20-45℃ |
| Bacillus subtilis | + | R | + | - | + | A | - | β | - | - | - | + | + | - | A | - | A | A | + | - | - | - | + | + | V | + | + | V | + | 30-37℃ |
| Chromobacterium fluviatile | - | R/sc | - | - | + | FA | + | - | - | - | - | - | V | - | A | - | - | - | + | - | - | - | + | + | + | - | + | - | | 30-37℃ | grows at 4℃ |
| Chromobacterium violaceum | - | R/sc | - | - | + | FA | + | - | + | - | - | - | V | - | A | - | - | - | + | + | - | - | + | + | + | - | + | - | | 30-37℃ |
| Citrobacter diversus | - | R | - | - | + | FA | - | - | - | + | + | - | + | +, w, d | AG | A | A(d) | A | + | d | - | + | - | + | - | | | - | - | 35-37℃ |
| Citrobacter freundii | - | R | - | - | + | FA | - | - | + | - | + | - | + | +, w, d | AG | A | A(d) | A | + | + | - | -(d) | - | + | - | | | - | - | 35-37℃ |
| Corynebacterium diphtheriae | + | R/P | - | - | - | FA | - | V | - | - | + | - | - | - | A | - | - | - | + | | | | - | + | - | d | - | - | - | 30-37℃ |
| Corynebacterium xerosis | + | R/P | - | - | - | FA | - | - | - | - | - | - | - | - | A | - | A | - | + | | | | - | + | - | - | - | - | - | 30-37℃ |
| Enterobacter aerogenes | - | R | - | - | + | FA | - | - | - | - | - | + | + | - | AG | AG | AG | AG | + | - | + | + | - | + | - | | | - | - | 30-37℃ |
| Enterobacter cloacae | - | R | - | - | + | FA | - | - | - | - | - | + | + | d | AG | AG | AG | AG | + | + | - | + | - | + | - | | | - | - | 30-37℃ |
| Enterococcus cecorum | + | C/O | - | - | - | FA | - | α | - | | | + | + | | A | A | A | - | - | - | | | | - | | ND | | | | 37℃ | grows 10℃ - 45℃ | | | - | + |
| Enterococcus faecalis | + | C/O | - | - | - (w) | FA | - | - | ND | | | ND | + | | A | A | A | A | - | + | | | | - | | V | | | | 37℃ | grows 10℃ - 45℃ | | | + | + |
| Escherichia blattae | - | R | - | + | - | FA | - | - | - | - | + | - | d | - | AG | - | - | - | + | - | + | + | - | + | - | - | - | - | - | 37℃ |
| Escherichia coli | - | R | - | + | + | FA | - | - | - | + | + | - | - | - | AG | AG | - | AG | + | - | + | d | - | + | - | - | - | - | - | 37℃ |
| Klebsiella oxytoca | - | R | - | + | - | FA | - | - | - | + | - | + | + | + | AG | AG | AG | AG | + | - | + | - | - | + | - | | | - | - | 37℃ | grows at 10℃ |
| Klebsiella pneumoniae | - | R | - | + | - | FA | - | - | - | - | - | + | + | + | AG | AG | AG | AG | + | - | + | - | - | + | - | | | - | - | 37℃ |
| Micrococcus luteus | + | C | - | - | - | A | + | - | | - | | - | - | - | - | - | - | - | - | - | | | + | + | + (w) | - | | | | 25-37℃ |
| Micrococcus roseus (aka Kocuria rosea) | + | C | - | - | + | A | + | - | | - | | - | - | - | A | - | - | - | + | - | | | - | + | - | - | | | | 25-37℃ |
| Proteus mirabilis | - | R | - | - | + | FA | - | - | + | - | + | + | +/V | + | AG | - | - | - | + | - | - | + | + | + | - | - | - | + | + | 37℃ |
| Proteus vulgaris | - | R | - | - | + | FA | - | - | + | + | + | - | -/V | + | AG | - | AG | - | + | - | - | - | + | + | - | - | - | + | + | 37℃ |
| Providencia heimbachae | - | R | - | - | + | FA | - | | - | + | + | - | - | - | - | - | - | - | + | - | - | - | - | + | - | | | + | - | 37℃ |
| Providencia stuartii | - | R | - | - | + | FA | - | | - | + | + | - | + | d | A | - | A | - | + | - | - | - | - | + | - | | | + | - | 37℃ |
| Pseudomonas aeruginosa | - | R | - | | + | A | + | β | | | - | - | | | A | - | - | V | + | + | | | + | + | + | - | | | | 30-37℃ | grows at 41℃ |
| Pseudomonas fluorescens | - | R | - | | + | A | + | - | | | - | - | | | A | - | A | A | + | + | | | + | + | + | - | | | | 30-37℃ | grows at 4℃ |
| Serratia liquefaciens | - | R | - | V | + | FA | - | V | - | - | - | + | + | - | V | - | AG | AG | + | - | + | + | + | + | - | | + | - | V | 30-37℃ |
| Serratia marcescens | - | R | - | V | + | FA | + | β | - | - | - | + | + | - | AG | - | AG | AG | + | - | + | + | + | + | - | | + | - | + | 30-37℃ |
| Staphylococus aureus | + | C | - | - | - | FA | V | β | | | | | | +w | A | A | A | A | + | +w | | | | + | - | | | | + | 30-37℃ | grows 15 - 45℃ | + |
| Staphylococcus epidermidis | + | C | - | - | - | FA | - | - | | | | | | + | A | d | d | - | +w | +w | | | | + | - | | | | -w | 30-37℃ | grows at 45℃ | - |
| Staphylococcus saprophyticus | + | C | - | - | - | FA | - | - | | | | | | + | A | d | d | A | - | -w | | | | + | - | | | | + | 30-37℃ | grows at 15℃ | - |
| Streptococcus mutans | + | C/O | - | - | - | FA | - | - | | | | + | | - | A | A | A | A | - | -/d | | | - | - | - | V | | | + | 37℃ | grows 22℃ - 45℃ | | none | - | - |
| Streptococcus pneumoniae | + | C | - | + | - | FA | - | α | | | | - | | - | A | A | A | -/V | - | +/V | | | - | - | - | | | | + | 37℃ | grows 25℃ - 42℃ | | none | - | - |
| Streptococcus pyogenes | + | C | - | + | - | FA | - | β | | | | - | | - | A | A | A | - | - | + | | | - | - | - | | | | + | 37℃ | | | A | - | - |
| Explanation of Abbreviations: |
| Shape: R= Rod P= pleomorphic sc= slightly curved C= Cocci O= Ovoid |
| O2 Requirement: FA= Facultative anaerobe A= Aerobe (obligate aerobe) AN=Anaerobe |
| Hemolysis: β= Beta α= alpha - = none (gamma) |
| Fermentation: A= Acid AG= Acid and Gas |
| Misc.: w= weak d= (11-89% of strain positive) V= varies ND= not determined |