| australia | victoria | serratia marcescens subsp. marcescens | subspecies | 42 | 0 |
| brazil | | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| china | | serratia marcescens subsp. marcescens | subspecies | 4 | 0 |
| czech republic | | serratia marcescens subsp. marcescens atcc 13880 | no rank | 3 | 0 |
| egypt | suez governorate | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| india | | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| italy | | serratia marcescens subsp. marcescens atcc 13880 | no rank | 70 | 0 |
| mexico | campeche | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| pakistan | | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| russia | | serratia marcescens subsp. marcescens | subspecies | 2 | 0 |
| south africa | kwazulu-natal province | serratia marcescens subsp. marcescens | subspecies | 3789 | 0 |
| united states | washington | serratia marcescens subsp. marcescens | subspecies | 169 | 0 |
| vietnam | | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| vietnam | ha noi city | serratia marcescens subsp. marcescens | subspecies | 2 | 0 |