| afghanistan | kabul province | serratia marcescens | species | 0 | 1 |
| algeria | | serratia marcescens | species | 5 | 0 |
| algeria | annaba province | serratia marcescens | species | 0 | 1 |
| algeria | biskra province | serratia marcescens | species | 1 | 0 |
| antarctica | | serratia marcescens | species | 4 | 0 |
| argentina | | serratia marcescens | species | 4 | 0 |
| argentina | buenos aires city | serratia marcescens | species | 0 | 3 |
| argentina | buenos aires province | serratia marcescens | species | 70 | 3 |
| argentina | jujuy province | serratia marcescens | species | 2 | 0 |
| argentina | santa fe province | serratia marcescens | species | 41 | 0 |
| argentina | tucuman province | serratia marcescens | species | 0 | 1 |
| australia | | serratia marcescens | species | 25 | 0 |
| australia | new south wales | serratia marcescens | species | 2 | 0 |
| australia | queensland | serratia marcescens | species | 7 | 1 |
| australia | victoria | serratia marcescens | species | 1 | 2 |
| australia | victoria | serratia marcescens subsp. marcescens | subspecies | 42 | 0 |
| austria | carinthia | serratia marcescens | species | 546 | 0 |
| austria | vienna | serratia marcescens | species | 2 | 1 |
| bangladesh | | serratia marcescens | species | 22 | 0 |
| bangladesh | dhaka division | serratia marcescens | species | 23 | 0 |
| belgium | | serratia marcescens | species | 1 | 0 |
| botswana | | serratia marcescens | species | 7 | 0 |
| brazil | | serratia marcescens | species | 602 | 0 |
| brazil | | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| brazil | amazonas | serratia marcescens | species | 18 | 0 |
| brazil | bahia | serratia marcescens | species | 3 | 0 |
| brazil | maranhao | serratia marcescens | species | 2 | 0 |
| brazil | mato grosso | serratia marcescens | species | 1 | 0 |
| brazil | rio de janeiro | serratia marcescens | species | 1 | 2 |
| brazil | rio grande do sul | serratia marcescens | species | 212 | 0 |
| brazil | sao paulo | serratia marcescens | species | 17534 | 3 |
| bulgaria | varna province | serratia marcescens | species | 0 | 1 |
| cameroon | south region | serratia marcescens | species | 0 | 1 |
| cameroon | west region | serratia marcescens | species | 0 | 1 |
| canada | | serratia marcescens | species | 8 | 0 |
| canada | alberta | serratia marcescens | species | 242 | 0 |
| canada | british columbia | serratia marcescens | species | 1 | 1 |
| canada | nova scotia | serratia marcescens | species | 3 | 0 |
| canada | ontario | serratia marcescens | species | 33 | 6 |
| canada | quebec | serratia marcescens | species | 1151 | 1 |
| canada | saskatchewan | serratia marcescens | species | 2 | 0 |
| chile | | serratia marcescens | species | 348 | 0 |
| chile | santiago metropolitan region | serratia marcescens | species | 0 | 1 |
| china | | serratia marcescens | species | 705 | 0 |
| china | | serratia marcescens subsp. marcescens | subspecies | 4 | 0 |
| china | | serratia marcescens subsp. sakuensis | subspecies | 3 | 0 |
| china | anhui | serratia marcescens | species | 236 | 0 |
| china | beijing | serratia marcescens | species | 173 | 0 |
| china | chongqing | serratia marcescens | species | 57 | 0 |
| china | fujian | serratia marcescens | species | 1 | 0 |
| china | guangdong | serratia marcescens | species | 12 | 0 |
| china | guangxi | serratia marcescens | species | 1 | 0 |
| china | hainan | serratia marcescens | species | 3 | 0 |
| china | hainan | serratia marcescens subsp. sakuensis | subspecies | 1 | 0 |
| china | hebei | serratia marcescens | species | 1 | 1 |
| china | heilongjiang | serratia marcescens | species | 0 | 1 |
| china | henan | serratia marcescens | species | 10 | 0 |
| china | hunan | serratia marcescens | species | 2 | 0 |
| china | inner mongolia | serratia marcescens | species | 0 | 1 |
| china | jiangsu | serratia marcescens | species | 180 | 0 |
| china | jiangxi | serratia marcescens | species | 1 | 0 |
| china | shandong | serratia marcescens | species | 132 | 0 |
| china | shanghai shi | serratia marcescens | species | 5 | 0 |
| china | shanxi | serratia marcescens | species | 3 | 0 |
| china | sichuan | serratia marcescens | species | 212 | 1 |
| china | tianjin shi | serratia marcescens | species | 2 | 0 |
| china | xinjiang | serratia marcescens | species | 7 | 0 |
| china | yunnan | serratia marcescens | species | 116 | 0 |
| china | zhejiang | serratia marcescens | species | 3149 | 1 |
| colombia | | serratia marcescens | species | 105 | 0 |
| colombia | antioquia department | serratia marcescens | species | 1002 | 1 |
| costa rica | | serratia marcescens | species | 20 | 0 |
| costa rica | guanacaste province | serratia marcescens | species | 1 | 0 |
| costa rica | heredia province | serratia marcescens | species | 4 | 0 |
| czech republic | | serratia marcescens | species | 2 | 0 |
| czech republic | | serratia marcescens subsp. marcescens atcc 13880 | no rank | 3 | 0 |
| czech republic | oardubice region | serratia marcescens | species | 0 | 1 |
| czech republic | prague city | serratia marcescens | species | 0 | 1 |
| czech republic | south moravian region | serratia marcescens | species | 0 | 1 |
| denmark | | serratia marcescens | species | 7 | 0 |
| egypt | | serratia marcescens | species | 17 | 0 |
| egypt | cairo governorate | serratia marcescens | species | 145 | 0 |
| egypt | suez governorate | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| estonia | tartu county | serratia marcescens | species | 0 | 1 |
| ethiopia | | serratia marcescens | species | 2 | 0 |
| finland | | serratia marcescens | species | 1 | 0 |
| france | | serratia marcescens | species | 3194 | 0 |
| france | alsace region | serratia marcescens | species | 0 | 2 |
| france | aquitaine region | serratia marcescens | species | 0 | 2 |
| france | auvergne region | serratia marcescens | species | 0 | 1 |
| france | basse-normandie region | serratia marcescens | species | 727 | 1 |
| france | centre region | serratia marcescens | species | 0 | 1 |
| france | ile-de-france region | serratia marcescens | species | 0 | 1 |
| france | picardie region | serratia marcescens | species | 0 | 1 |
| france | rhone-alpes region | serratia marcescens | species | 0 | 1 |
| germany | | serratia marcescens | species | 6289 | 0 |
| germany | berlin | serratia marcescens | species | 0 | 4 |
| germany | lower saxony | serratia marcescens | species | 2 | 0 |
| germany | north rhine-westphalia | serratia marcescens | species | 2 | 0 |
| greece | | serratia marcescens | species | 5 | 0 |
| greece | central macedonia region | serratia marcescens | species | 5 | 0 |
| greece | crete region | serratia marcescens | species | 0 | 2 |
| guatemala | guatemala department | serratia marcescens | species | 0 | 1 |
| hong kong | | serratia marcescens | species | 0 | 3 |
| hungary | budapest | serratia marcescens | species | 2 | 0 |
| india | | serratia marcescens | species | 1098 | 0 |
| india | | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| india | | serratia marcescens subsp. sakuensis | subspecies | 2 | 0 |
| india | andaman and nicobar islands | serratia marcescens | species | 1 | 0 |
| india | andhra pradesh | serratia marcescens | species | 2 | 0 |
| india | assam | serratia marcescens | species | 13 | 0 |
| india | chhattisgarh | serratia marcescens | species | 1 | 0 |
| india | gujarat | serratia marcescens | species | 100 | 0 |
| india | himachal pradesh | serratia marcescens | species | 3 | 0 |
| india | jammu and kashmir | serratia marcescens | species | 1 | 0 |
| india | jharkhand | serratia marcescens | species | 6 | 0 |
| india | karnataka | serratia marcescens | species | 5 | 0 |
| india | karnataka | serratia marcescens subsp. sakuensis | subspecies | 1 | 0 |
| india | kerala | serratia marcescens | species | 12 | 0 |
| india | maharashtra | serratia marcescens | species | 2 | 0 |
| india | maharashtra | serratia marcescens egd-hp20 | no rank | 128 | 0 |
| india | manipur | serratia marcescens subsp. sakuensis | subspecies | 1 | 0 |
| india | nagaland | serratia marcescens | species | 3 | 0 |
| india | national capital territory of delhi | serratia marcescens | species | 16 | 0 |
| india | odisha | serratia marcescens | species | 5 | 0 |
| india | punjab | serratia marcescens | species | 1 | 0 |
| india | tamil nadu | serratia marcescens | species | 19 | 1 |
| india | uttar pradesh | serratia marcescens | species | 3 | 0 |
| india | uttarakhand | serratia marcescens | species | 2 | 0 |
| india | west bengal | serratia marcescens | species | 2 | 1 |
| indonesia | | serratia marcescens | species | 4 | 0 |
| iran | | serratia marcescens | species | 36 | 0 |
| iran | alborz province | serratia marcescens | species | 13 | 0 |
| iran | kurdistan province | serratia marcescens | species | 1 | 1 |
| iran | lorestan province | serratia marcescens | species | 1 | 0 |
| iran | tehran province | serratia marcescens | species | 702 | 0 |
| iraq | | serratia marcescens | species | 48 | 0 |
| iraq | basra governorate | serratia marcescens | species | 1 | 0 |
| ireland | leinster province | serratia marcescens | species | 0 | 2 |
| italy | | serratia marcescens | species | 10 | 0 |
| italy | | serratia marcescens subsp. marcescens atcc 13880 | no rank | 70 | 0 |
| italy | abruzzo region | serratia marcescens | species | 0 | 1 |
| italy | apulia region | serratia marcescens | species | 18 | 0 |
| italy | campania region | serratia marcescens | species | 6 | 1 |
| italy | emilia-romagna region | serratia marcescens | species | 1 | 0 |
| italy | lombardy region | serratia marcescens | species | 0 | 2 |
| italy | sardinia autonomous region | serratia marcescens | species | 3 | 0 |
| italy | sicily autonomous region | serratia marcescens | species | 2 | 0 |
| italy | tuscany region | serratia marcescens | species | 0 | 1 |
| japan | | serratia marcescens | species | 15572 | 0 |
| japan | | serratia marcescens subsp. sakuensis | subspecies | 2 | 0 |
| japan | aichi prefecture | serratia marcescens | species | 5 | 0 |
| japan | akita prefecture | serratia marcescens | species | 1 | 2 |
| japan | gifu prefecture | serratia marcescens | species | 0 | 1 |
| japan | kagawa prefecture | serratia marcescens | species | 2 | 0 |
| japan | kagoshima prefecture | serratia marcescens | species | 0 | 1 |
| japan | kumamoto prefecture | serratia marcescens | species | 0 | 1 |
| japan | miyazaki prefecture | serratia marcescens | species | 0 | 1 |
| japan | nagano prefecture | serratia marcescens | species | 0 | 1 |
| japan | nagasaki prefecture | serratia marcescens | species | 0 | 1 |
| japan | okinawa prefecture | serratia marcescens | species | 0 | 1 |
| japan | osaka prefecture | serratia marcescens | species | 1 | 2 |
| japan | shiga prefecture | serratia marcescens | species | 0 | 1 |
| japan | tochigi prefecture | serratia marcescens | species | 1 | 0 |
| japan | tokyo prefecture | serratia marcescens | species | 2 | 4 |
| kenya | | serratia marcescens | species | 2 | 0 |
| kuwait | | serratia marcescens | species | 0 | 2 |
| lebanon | | serratia marcescens | species | 2507 | 0 |
| madagascar | | serratia marcescens | species | 2 | 0 |
| madagascar | alaotra mangoro region | serratia marcescens | species | 2 | 0 |
| madagascar | analanjirofo region | serratia marcescens | species | 1 | 0 |
| madagascar | sava region | serratia marcescens | species | 1 | 0 |
| malaysia | | serratia marcescens | species | 10 | 0 |
| malaysia | | serratia marcescens h1q | no rank | 122 | 0 |
| malaysia | | serratia marcescens ph1a | no rank | 114 | 0 |
| malaysia | | serratia marcescens w2.3 | no rank | 147 | 0 |
| malaysia | kedah | serratia marcescens | species | 2 | 0 |
| malaysia | pahang | serratia marcescens | species | 2 | 0 |
| malaysia | pulau pinang | serratia marcescens | species | 0 | 1 |
| maldives | | serratia marcescens | species | 0 | 1 |
| mexico | | serratia marcescens | species | 214 | 0 |
| mexico | campeche | serratia marcescens | species | 2 | 0 |
| mexico | campeche | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| mexico | federal district | serratia marcescens | species | 3 | 4 |
| mexico | jalisco | serratia marcescens | species | 1 | 0 |
| mexico | nuevo leon | serratia marcescens | species | 0 | 1 |
| mexico | oaxaca | serratia marcescens | species | 0 | 1 |
| mexico | veracruz-llave | serratia marcescens | species | 2 | 1 |
| morocco | | serratia marcescens | species | 3 | 0 |
| nepal | | serratia marcescens | species | 2 | 0 |
| netherlands | south holland province | serratia marcescens | species | 0 | 1 |
| new zealand | | serratia marcescens | species | 3 | 0 |
| new zealand | waikato | serratia marcescens | species | 0 | 1 |
| nigeria | | serratia marcescens | species | 373 | 0 |
| nigeria | abia | serratia marcescens | species | 1 | 0 |
| nigeria | edo | serratia marcescens | species | 1 | 0 |
| nigeria | enugu | serratia marcescens | species | 0 | 1 |
| nigeria | lagos | serratia marcescens | species | 52 | 1 |
| nigeria | nassarawa | serratia marcescens | species | 1 | 0 |
| oman | | serratia marcescens | species | 1 | 0 |
| pakistan | | serratia marcescens | species | 162 | 0 |
| pakistan | | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| pakistan | | serratia marcescens subsp. sakuensis | subspecies | 1 | 0 |
| pakistan | punjab province | serratia marcescens | species | 5 | 0 |
| pakistan | sindh province | serratia marcescens | species | 4 | 0 |
| panama | | serratia marcescens | species | 5 | 0 |
| peru | | serratia marcescens | species | 3 | 0 |
| philippines | | serratia marcescens | species | 8 | 0 |
| poland | | serratia marcescens | species | 23 | 0 |
| poland | greater poland province | serratia marcescens | species | 1 | 0 |
| poland | lesser poland province | serratia marcescens | species | 0 | 1 |
| poland | lublin province | serratia marcescens | species | 0 | 1 |
| poland | mazovia province | serratia marcescens | species | 2 | 0 |
| poland | pomorskie province | serratia marcescens | species | 0 | 1 |
| portugal | | serratia marcescens | species | 5 | 0 |
| puerto rico | | serratia marcescens | species | 0 | 1 |
| romania | | serratia marcescens | species | 4 | 0 |
| romania | cluj county | serratia marcescens | species | 61 | 0 |
| romania | harghita county | serratia marcescens | species | 1 | 0 |
| romania | mures county | serratia marcescens | species | 55 | 0 |
| romania | teleorman county | serratia marcescens | species | 2 | 0 |
| russia | | serratia marcescens | species | 23 | 0 |
| russia | | serratia marcescens subsp. marcescens | subspecies | 2 | 0 |
| russia | kamchatka krai | serratia marcescens | species | 1 | 0 |
| russia | moscow city | serratia marcescens | species | 1 | 1 |
| russia | moscow oblast | serratia marcescens | species | 0 | 1 |
| russia | novosibirsk oblast | serratia marcescens | species | 3 | 1 |
| russia | tuva republic | serratia marcescens | species | 41 | 0 |
| saudi arabia | | serratia marcescens | species | 3 | 0 |
| saudi arabia | eastern province region | serratia marcescens | species | 0 | 1 |
| saudi arabia | jizan region | serratia marcescens | species | 0 | 1 |
| saudi arabia | makkah region | serratia marcescens | species | 0 | 1 |
| saudi arabia | riyadh region | serratia marcescens | species | 0 | 2 |
| singapore | | serratia marcescens | species | 29 | 0 |
| slovakia | | serratia marcescens | species | 1 | 0 |
| slovakia | bratislava region | serratia marcescens | species | 0 | 1 |
| south africa | | serratia marcescens | species | 6 | 0 |
| south africa | eastern cape province | serratia marcescens | species | 1 | 0 |
| south africa | gauteng province | serratia marcescens | species | 722 | 0 |
| south africa | kwazulu-natal province | serratia marcescens | species | 76 | 0 |
| south africa | kwazulu-natal province | serratia marcescens subsp. marcescens | subspecies | 3789 | 0 |
| south africa | north-west province | serratia marcescens | species | 209 | 0 |
| south africa | the western cape province | serratia marcescens | species | 0 | 1 |
| south korea | | serratia marcescens | species | 20 | 0 |
| south korea | gwangju city | serratia marcescens | species | 1 | 0 |
| south korea | seoul city | serratia marcescens | species | 5 | 1 |
| south korea | ulsan city | serratia marcescens | species | 1 | 0 |
| spain | | serratia marcescens | species | 15 | 0 |
| spain | catalonia | serratia marcescens | species | 0 | 1 |
| spain | madrid | serratia marcescens | species | 2117 | 3 |
| sri lanka | | serratia marcescens | species | 5 | 0 |
| switzerland | | serratia marcescens | species | 9 | 0 |
| switzerland | basel-stadt region | serratia marcescens | species | 340 | 0 |
| switzerland | bern region | serratia marcescens | species | 0 | 1 |
| switzerland | zurich region | serratia marcescens | species | 0 | 2 |
| taiwan | | serratia marcescens | species | 9 | 38 |
| taiwan | | serratia marcescens vgh107 | no rank | 169 | 0 |
| taiwan | taiwan municipality | serratia marcescens vgh107 | no rank | 169 | 0 |
| tanzania | | serratia marcescens | species | 1 | 0 |
| thailand | | serratia marcescens | species | 19 | 0 |
| thailand | khon kaen province | serratia marcescens | species | 1 | 0 |
| thailand | songkhla province | serratia marcescens | species | 1 | 0 |
| trinidad and tobago | | serratia marcescens | species | 1 | 0 |
| tunisia | | serratia marcescens | species | 179 | 0 |
| tunisia | gafsa governorate | serratia marcescens | species | 0 | 1 |
| tunisia | kasserine governorate | serratia marcescens | species | 0 | 1 |
| tunisia | sfax governorate | serratia marcescens | species | 0 | 1 |
| tunisia | tunis governorate | serratia marcescens | species | 0 | 1 |
| turkey | | serratia marcescens | species | 17 | 0 |
| turkey | ankara province | serratia marcescens | species | 0 | 2 |
| turkey | bursa province | serratia marcescens | species | 0 | 1 |
| turkey | kocaeli province | serratia marcescens | species | 0 | 1 |
| turkey | rize province | serratia marcescens | species | 1 | 0 |
| turkey | trabzon province | serratia marcescens | species | 0 | 1 |
| uganda | | serratia marcescens | species | 4 | 0 |
| united kingdom | | serratia marcescens | species | 17 | 0 |
| united kingdom | england | serratia marcescens | species | 10304 | 15 |
| united kingdom | scotland | serratia marcescens | species | 16 | 3 |
| united kingdom | wales | serratia marcescens | species | 1 | 0 |
| united states | | serratia marcescens | species | 36150 | 0 |
| united states | | serratia marcescens bidmc 44 | no rank | 1 | 0 |
| united states | | serratia marcescens bidmc 80 | no rank | 1 | 0 |
| united states | alabama | serratia marcescens | species | 132 | 1 |
| united states | arkansas | serratia marcescens | species | 0 | 1 |
| united states | california | serratia marcescens | species | 13526 | 10 |
| united states | colorado | serratia marcescens | species | 30 | 1 |
| united states | connecticut | serratia marcescens | species | 4 | 4 |
| united states | delaware | serratia marcescens | species | 0 | 1 |
| united states | district of columbia | serratia marcescens | species | 0 | 1 |
| united states | florida | serratia marcescens | species | 9270 | 9 |
| united states | georgia | serratia marcescens | species | 2 | 2 |
| united states | illinois | serratia marcescens | species | 0 | 2 |
| united states | iowa | serratia marcescens | species | 0 | 1 |
| united states | kentucky | serratia marcescens | species | 3 | 0 |
| united states | maine | serratia marcescens | species | 11 | 0 |
| united states | maryland | serratia marcescens | species | 2 | 2 |
| united states | massachusetts | serratia marcescens | species | 74 | 7 |
| united states | massachusetts | serratia marcescens bidmc 44 | no rank | 2 | 0 |
| united states | massachusetts | serratia marcescens bidmc 50 | no rank | 4 | 0 |
| united states | michigan | serratia marcescens | species | 33 | 1 |
| united states | minnesota | serratia marcescens | species | 125 | 2 |
| united states | mississippi | serratia marcescens | species | 3 | 0 |
| united states | missouri | serratia marcescens | species | 0 | 1 |
| united states | missouri | serratia marcescens ab42556419-isolate1 | no rank | 325 | 0 |
| united states | missouri | serratia marcescens mc458 | no rank | 382 | 0 |
| united states | missouri | serratia marcescens mc459 | no rank | 343 | 0 |
| united states | missouri | serratia marcescens mc460 | no rank | 394 | 0 |
| united states | missouri | serratia marcescens mc6000 | no rank | 362 | 0 |
| united states | missouri | serratia marcescens mc6001 | no rank | 350 | 0 |
| united states | missouri | serratia marcescens mc620 | no rank | 343 | 0 |
| united states | nebraska | serratia marcescens | species | 1 | 0 |
| united states | new jersey | serratia marcescens | species | 4 | 1 |
| united states | new mexico | serratia marcescens | species | 0 | 1 |
| united states | new york | serratia marcescens | species | 9 | 8 |
| united states | north carolina | serratia marcescens | species | 0 | 3 |
| united states | ohio | serratia marcescens | species | 0 | 4 |
| united states | oklahoma | serratia marcescens | species | 86 | 1 |
| united states | oregon | serratia marcescens | species | 0 | 1 |
| united states | pennsylvania | serratia marcescens | species | 1193 | 2 |
| united states | south carolina | serratia marcescens | species | 0 | 3 |
| united states | tennessee | serratia marcescens | species | 0 | 7 |
| united states | texas | serratia marcescens | species | 71 | 8 |
| united states | utah | serratia marcescens | species | 6 | 1 |
| united states | utah | serratia marcescens subsp. sakuensis | subspecies | 4 | 0 |
| united states | virginia | serratia marcescens | species | 129 | 2 |
| united states | washington | serratia marcescens | species | 9263 | 1 |
| united states | washington | serratia marcescens subsp. marcescens | subspecies | 169 | 0 |
| united states | wisconsin | serratia marcescens | species | 415 | 1 |
| uruguay | | serratia marcescens | species | 1 | 0 |
| venezuela | | serratia marcescens | species | 132 | 0 |
| venezuela | capital district | serratia marcescens | species | 1 | 0 |
| venezuela | miranda | serratia marcescens | species | 3 | 0 |
| vietnam | | serratia marcescens | species | 6 | 0 |
| vietnam | | serratia marcescens subsp. marcescens | subspecies | 1 | 0 |
| vietnam | ha noi city | serratia marcescens | species | 1 | 0 |
| vietnam | ha noi city | serratia marcescens subsp. marcescens | subspecies | 2 | 0 |
| vietnam | long an province | serratia marcescens | species | 2 | 0 |