| aland islands | | lactobacillus casei | species | 0 | 1 |
| algeria | | lactobacillus casei | species | 4 | 0 |
| algeria | | lactobacillus paracasei | species | 29 | 0 |
| algeria | | lactobacillus paracasei subsp. tolerans | subspecies | 5 | 0 |
| argentina | | lactobacillus casei | species | 2 | 0 |
| argentina | | lactobacillus paracasei | species | 3 | 0 |
| argentina | buenos aires city | lactobacillus casei | species | 0 | 1 |
| argentina | buenos aires province | lactobacillus casei | species | 0 | 1 |
| argentina | misiones province | lactobacillus casei | species | 0 | 1 |
| argentina | misiones province | lactobacillus paracasei | species | 2 | 0 |
| australia | | lactobacillus casei | species | 351 | 0 |
| australia | south australia | lactobacillus casei | species | 0 | 1 |
| austria | | lactobacillus paracasei | species | 3 | 0 |
| belarus | | lactobacillus paracasei | species | 3 | 0 |
| belgium | | lactobacillus paracasei | species | 2 | 0 |
| bosnia and herzegovina | | lactobacillus casei | species | 3 | 0 |
| bosnia and herzegovina | | lactobacillus paracasei | species | 18 | 0 |
| brazil | | lactobacillus casei | species | 14 | 0 |
| brazil | | lactobacillus paracasei | species | 285 | 0 |
| brazil | minas gerais | lactobacillus casei | species | 1 | 0 |
| brazil | minas gerais | lactobacillus paracasei | species | 1 | 0 |
| brazil | para | lactobacillus casei | species | 1 | 0 |
| brazil | para | lactobacillus zeae | species | 1 | 0 |
| brazil | sao paulo | lactobacillus casei | species | 0 | 1 |
| bulgaria | | lactobacillus casei | species | 3 | 0 |
| bulgaria | | lactobacillus paracasei | species | 10 | 0 |
| bulgaria | | lactobacillus paracasei subsp. paracasei | subspecies | 1 | 0 |
| burkina faso | centre region | lactobacillus casei | species | 1 | 0 |
| burkina faso | southwest region | lactobacillus paracasei | species | 1 | 0 |
| cameroon | | lactobacillus paracasei | species | 2 | 0 |
| cameroon | east region | lactobacillus casei | species | 1 | 0 |
| cameroon | east region | lactobacillus paracasei subsp. tolerans | subspecies | 1 | 0 |
| canada | | lactobacillus casei | species | 8 | 0 |
| canada | | lactobacillus paracasei | species | 1 | 0 |
| canada | alberta | lactobacillus paracasei | species | 93 | 0 |
| canada | ontario | lactobacillus casei | species | 184 | 0 |
| canada | quebec | lactobacillus casei | species | 423 | 1 |
| canada | quebec | lactobacillus paracasei | species | 227 | 0 |
| china | | lactobacillus casei | species | 963 | 0 |
| china | | lactobacillus casei bd-ii | no rank | 4 | 0 |
| china | | lactobacillus paracasei | species | 425 | 0 |
| china | | lactobacillus paracasei subsp. paracasei | subspecies | 13 | 0 |
| china | | lactobacillus paracasei subsp. tolerans | subspecies | 12 | 0 |
| china | | lactobacillus zeae | species | 5 | 0 |
| china | beijing | lactobacillus casei | species | 4 | 0 |
| china | chongqing | lactobacillus paracasei | species | 9 | 0 |
| china | gansu | lactobacillus casei | species | 3 | 2 |
| china | guangdong | lactobacillus casei | species | 390 | 0 |
| china | guangdong | lactobacillus paracasei | species | 1410 | 0 |
| china | guangxi | lactobacillus paracasei | species | 2 | 0 |
| china | hebei | lactobacillus casei | species | 0 | 1 |
| china | heilongjiang | lactobacillus casei | species | 1 | 0 |
| china | hunan | lactobacillus paracasei | species | 116 | 0 |
| china | inner mongolia | lactobacillus casei | species | 176 | 6 |
| china | inner mongolia | lactobacillus casei lc2w | no rank | 4 | 0 |
| china | inner mongolia | lactobacillus casei str. zhang | no rank | 5 | 0 |
| china | inner mongolia | lactobacillus paracasei | species | 16 | 1 |
| china | inner mongolia | lactobacillus paracasei n1115 | no rank | 10 | 0 |
| china | inner mongolia | lactobacillus paracasei subsp. paracasei | subspecies | 6 | 0 |
| china | jiangsu | lactobacillus paracasei | species | 92 | 0 |
| china | jiangxi | lactobacillus casei | species | 374 | 0 |
| china | jilin | lactobacillus casei | species | 180 | 0 |
| china | jilin | lactobacillus paracasei | species | 2 | 0 |
| china | liaoning | lactobacillus casei | species | 1 | 0 |
| china | qinghai | lactobacillus casei | species | 1 | 0 |
| china | qinghai | lactobacillus paracasei | species | 1 | 0 |
| china | shandong | lactobacillus paracasei | species | 12 | 0 |
| china | sichuan | lactobacillus casei | species | 11 | 1 |
| china | sichuan | lactobacillus paracasei | species | 3 | 1 |
| china | tianjin shi | lactobacillus casei | species | 474 | 0 |
| china | tibet | lactobacillus casei | species | 332 | 3 |
| china | tibet | lactobacillus paracasei | species | 4 | 1 |
| china | xinjiang | lactobacillus casei | species | 2 | 0 |
| china | xinjiang | lactobacillus paracasei | species | 27 | 3 |
| china | xinjiang | lactobacillus paracasei subsp. tolerans | subspecies | 10 | 0 |
| china | yunnan | lactobacillus paracasei | species | 2 | 0 |
| china | zhejiang | lactobacillus paracasei | species | 8 | 0 |
| colombia | | lactobacillus casei | species | 1 | 0 |
| colombia | cundinamarca department | lactobacillus casei | species | 478 | 0 |
| costa rica | | lactobacillus paracasei subsp. tolerans | subspecies | 15 | 0 |
| czech republic | | lactobacillus paracasei subsp. tolerans | subspecies | 4 | 0 |
| denmark | | lactobacillus casei | species | 2 | 0 |
| denmark | | lactobacillus paracasei | species | 103 | 0 |
| denmark | | lactobacillus paracasei subsp. paracasei | subspecies | 253 | 0 |
| denmark | capital region of denmark | lactobacillus casei | species | 388 | 0 |
| ecuador | | lactobacillus casei | species | 7 | 0 |
| ecuador | | lactobacillus paracasei | species | 1 | 0 |
| ecuador | | lactobacillus zeae | species | 2 | 0 |
| egypt | | lactobacillus casei | species | 4 | 0 |
| egypt | | lactobacillus paracasei | species | 4 | 0 |
| estonia | | lactobacillus casei | species | 5 | 0 |
| estonia | | lactobacillus zeae | species | 2 | 0 |
| ethiopia | addis ababa | lactobacillus paracasei subsp. paracasei | subspecies | 104 | 0 |
| finland | | lactobacillus casei | species | 1 | 0 |
| finland | | lactobacillus casei lca | no rank | 24 | 0 |
| finland | | lactobacillus casei lcy | no rank | 20 | 0 |
| finland | | lactobacillus casei t71499 | no rank | 112 | 0 |
| france | | lactobacillus casei | species | 174 | 0 |
| georgia | | lactobacillus casei | species | 1 | 0 |
| germany | | lactobacillus casei | species | 208 | 0 |
| germany | | lactobacillus casei subsp. casei atcc 393 | no rank | 1 | 0 |
| germany | | lactobacillus paracasei | species | 190 | 0 |
| germany | | lactobacillus paracasei subsp. paracasei | subspecies | 4 | 0 |
| greece | | lactobacillus paracasei subsp. paracasei | subspecies | 1 | 0 |
| india | | lactobacillus casei | species | 71 | 0 |
| india | | lactobacillus paracasei | species | 49 | 0 |
| india | | lactobacillus paracasei | species | 1 | 0 |
| india | | lactobacillus paracasei | species | 1 | 0 |
| india | | lactobacillus paracasei | species | 1 | 0 |
| india | | lactobacillus paracasei subsp. paracasei | subspecies | 2 | 0 |
| india | | lactobacillus paracasei subsp. tolerans | subspecies | 18 | 0 |
| india | | lactobacillus zeae | species | 2 | 0 |
| india | andhra pradesh | lactobacillus paracasei | species | 47 | 0 |
| india | arunachal pradesh | lactobacillus paracasei | species | 1 | 0 |
| india | gujarat | lactobacillus casei | species | 2 | 0 |
| india | himachal pradesh | lactobacillus casei | species | 4 | 0 |
| india | himachal pradesh | lactobacillus paracasei | species | 1 | 0 |
| india | himachal pradesh | lactobacillus paracasei subsp. tolerans | subspecies | 1 | 0 |
| india | kerala | lactobacillus casei | species | 1 | 0 |
| india | kerala | lactobacillus paracasei | species | 2 | 0 |
| india | manipur | lactobacillus paracasei | species | 1 | 0 |
| india | nagaland | lactobacillus casei | species | 3 | 0 |
| india | national capital territory of delhi | lactobacillus casei | species | 0 | 1 |
| india | odisha | lactobacillus casei | species | 1 | 0 |
| india | odisha | lactobacillus paracasei | species | 1 | 0 |
| india | punjab | lactobacillus casei | species | 1 | 0 |
| india | punjab | lactobacillus paracasei | species | 106 | 0 |
| india | sikkim | lactobacillus paracasei | species | 3 | 0 |
| india | tamil nadu | lactobacillus casei | species | 2 | 1 |
| india | tamil nadu | lactobacillus paracasei | species | 1 | 0 |
| india | west bengal | lactobacillus casei | species | 0 | 1 |
| indonesia | | lactobacillus casei | species | 7 | 0 |
| indonesia | | lactobacillus paracasei | species | 1 | 0 |
| indonesia | jakarta | lactobacillus casei | species | 0 | 2 |
| indonesia | special region of yogyakarta | lactobacillus paracasei | species | 169 | 0 |
| indonesia | west java province | lactobacillus paracasei | species | 8 | 0 |
| iran | | lactobacillus casei | species | 27 | 0 |
| iran | | lactobacillus paracasei | species | 35 | 0 |
| iran | | lactobacillus paracasei subsp. tolerans | subspecies | 1 | 0 |
| iran | fars province | lactobacillus casei | species | 2 | 0 |
| iran | qom province | lactobacillus paracasei | species | 1 | 0 |
| iran | tehran province | lactobacillus casei | species | 1 | 0 |
| iran | west azerbaijan province | lactobacillus casei | species | 1 | 0 |
| iran | west azerbaijan province | lactobacillus paracasei | species | 2 | 0 |
| iraq | | lactobacillus casei | species | 4 | 0 |
| iraq | | lactobacillus paracasei | species | 2 | 0 |
| iraq | sulaymaniyah governorate | lactobacillus paracasei | species | 1 | 0 |
| ireland | | lactobacillus casei | species | 118 | 0 |
| ireland | | lactobacillus paracasei | species | 256 | 0 |
| italy | | lactobacillus casei | species | 10 | 0 |
| italy | | lactobacillus paracasei | species | 1491 | 0 |
| italy | | lactobacillus zeae | species | 3 | 0 |
| italy | abruzzo region | lactobacillus casei | species | 0 | 1 |
| italy | molise region | lactobacillus casei | species | 54 | 0 |
| italy | sicily autonomous region | lactobacillus casei | species | 0 | 1 |
| italy | umbria region | lactobacillus paracasei | species | 0 | 1 |
| japan | | lactobacillus casei | species | 3 | 0 |
| japan | | lactobacillus paracasei | species | 3 | 0 |
| japan | fukuoka prefecture | lactobacillus paracasei | species | 3 | 0 |
| japan | hokkaido prefecture | lactobacillus paracasei | species | 4 | 0 |
| japan | hokkaido prefecture | lactobacillus zeae | species | 10 | 0 |
| japan | ibaraki prefecture | lactobacillus paracasei | species | 8 | 0 |
| japan | kagoshima prefecture | lactobacillus casei | species | 1 | 0 |
| japan | kanagawa prefecture | lactobacillus casei | species | 1 | 0 |
| japan | shiga prefecture | lactobacillus paracasei | species | 1 | 0 |
| japan | tokyo prefecture | lactobacillus casei | species | 0 | 1 |
| kazakhstan | | lactobacillus casei | species | 1 | 0 |
| kazakhstan | | lactobacillus paracasei | species | 1 | 0 |
| malaysia | | lactobacillus casei | species | 2 | 0 |
| malaysia | | lactobacillus paracasei | species | 280 | 0 |
| mexico | | lactobacillus casei | species | 12 | 0 |
| mexico | | lactobacillus paracasei | species | 8 | 0 |
| mongolia | | lactobacillus paracasei | species | 1 | 0 |
| mongolia | arkhangai province | lactobacillus paracasei | species | 5 | 0 |
| morocco | | lactobacillus paracasei | species | 1 | 0 |
| nepal | | lactobacillus paracasei | species | 1 | 0 |
| new zealand | | lactobacillus casei | species | 1 | 0 |
| new zealand | auckland | lactobacillus paracasei | species | 1 | 0 |
| new zealand | auckland | lactobacillus paracasei subsp. paracasei | subspecies | 2 | 0 |
| nigeria | | lactobacillus casei | species | 3 | 0 |
| norway | | lactobacillus casei | species | 2 | 0 |
| norway | | lactobacillus paracasei | species | 1146 | 0 |
| pakistan | | lactobacillus casei | species | 9 | 0 |
| pakistan | | lactobacillus paracasei | species | 21 | 0 |
| pakistan | | lactobacillus zeae | species | 1 | 0 |
| peru | amazonas region | lactobacillus casei | species | 0 | 1 |
| poland | | lactobacillus casei | species | 1 | 0 |
| poland | | lactobacillus paracasei | species | 6 | 0 |
| poland | | lactobacillus paracasei subsp. paracasei | subspecies | 6 | 0 |
| poland | greater poland province | lactobacillus casei | species | 1 | 0 |
| poland | greater poland province | lactobacillus paracasei | species | 3 | 0 |
| portugal | | lactobacillus casei | species | 11 | 0 |
| portugal | | lactobacillus paracasei | species | 1 | 0 |
| portugal | | lactobacillus paracasei subsp. paracasei | subspecies | 3 | 0 |
| russia | | lactobacillus casei | species | 4 | 0 |
| russia | | lactobacillus paracasei | species | 11 | 0 |
| russia | kalmykia republic | lactobacillus paracasei | species | 0 | 1 |
| russia | moscow city | lactobacillus paracasei | species | 498 | 0 |
| russia | tuva republic | lactobacillus paracasei | species | 0 | 1 |
| saudi arabia | | lactobacillus casei | species | 4 | 0 |
| saudi arabia | | lactobacillus paracasei | species | 1 | 0 |
| serbia | | lactobacillus casei | species | 2 | 0 |
| singapore | | lactobacillus paracasei | species | 6 | 0 |
| slovakia | | lactobacillus paracasei | species | 1129 | 0 |
| south africa | | lactobacillus casei | species | 4 | 0 |
| south africa | gauteng province | lactobacillus paracasei subsp. paracasei | subspecies | 8 | 0 |
| south africa | kwazulu-natal province | lactobacillus paracasei | species | 717 | 0 |
| south korea | | lactobacillus casei | species | 8 | 0 |
| south korea | | lactobacillus paracasei | species | 740 | 0 |
| south korea | | lactobacillus paracasei subsp. paracasei | subspecies | 1 | 0 |
| south korea | | lactobacillus paracasei subsp. tolerans | subspecies | 46 | 0 |
| south korea | | lactobacillus zeae | species | 2 | 0 |
| south korea | daegu city | lactobacillus paracasei subsp. tolerans | subspecies | 44 | 0 |
| south korea | daegu city | lactobacillus zeae | species | 3 | 0 |
| south korea | north chungcheong province | lactobacillus casei | species | 1 | 0 |
| south korea | north chungcheong province | lactobacillus paracasei | species | 5 | 0 |
| south korea | seoul city | lactobacillus casei | species | 2 | 0 |
| south korea | seoul city | lactobacillus paracasei subsp. tolerans | subspecies | 2 | 0 |
| south korea | south gyeongsang province | lactobacillus casei | species | 1 | 0 |
| south korea | south gyeongsang province | lactobacillus paracasei | species | 231 | 0 |
| south korea | south jeolla province | lactobacillus paracasei | species | 8 | 0 |
| spain | | lactobacillus casei | species | 2 | 0 |
| spain | | lactobacillus paracasei | species | 6 | 0 |
| spain | andalusia | lactobacillus paracasei | species | 0 | 1 |
| spain | asturias | lactobacillus paracasei | species | 0 | 1 |
| spain | castilla-la mancha | lactobacillus casei | species | 1 | 0 |
| spain | catalonia | lactobacillus casei | species | 0 | 1 |
| sudan | | lactobacillus casei | species | 2 | 0 |
| sweden | | lactobacillus casei | species | 1 | 0 |
| sweden | stockholm | lactobacillus paracasei | species | 0 | 1 |
| switzerland | | lactobacillus casei | species | 296 | 0 |
| switzerland | | lactobacillus paracasei | species | 4265 | 0 |
| switzerland | geneva region | lactobacillus paracasei | species | 2 | 0 |
| taiwan | | lactobacillus casei | species | 6 | 1 |
| taiwan | | lactobacillus paracasei | species | 0 | 2 |
| taiwan | | lactobacillus paracasei subsp. paracasei | subspecies | 16 | 0 |
| taiwan | taipei municipality | lactobacillus paracasei subsp. paracasei | subspecies | 176 | 0 |
| tajikistan | | lactobacillus paracasei | species | 246 | 0 |
| thailand | | lactobacillus casei | species | 129 | 0 |
| thailand | | lactobacillus paracasei | species | 4 | 0 |
| thailand | | lactobacillus paracasei subsp. tolerans | subspecies | 2 | 0 |
| thailand | bangkok | lactobacillus paracasei subsp. tolerans | subspecies | 1 | 0 |
| thailand | khon kaen province | lactobacillus paracasei | species | 126 | 0 |
| tunisia | | lactobacillus paracasei | species | 3 | 0 |
| tunisia | beja governorate | lactobacillus paracasei | species | 0 | 1 |
| tunisia | zaghouan governorate | lactobacillus paracasei | species | 1 | 0 |
| turkey | | lactobacillus casei | species | 5 | 0 |
| turkey | | lactobacillus paracasei | species | 48 | 0 |
| turkey | | lactobacillus paracasei subsp. tolerans | subspecies | 12 | 0 |
| turkey | isparta province | lactobacillus casei | species | 1 | 0 |
| turkey | kayseri province | lactobacillus paracasei | species | 0 | 1 |
| uganda | | lactobacillus paracasei | species | 3 | 0 |
| uganda | | lactobacillus zeae | species | 1 | 0 |
| uganda | eastern region | lactobacillus casei | species | 1 | 0 |
| uganda | eastern region | lactobacillus paracasei | species | 3 | 0 |
| united kingdom | | lactobacillus casei | species | 1 | 0 |
| united kingdom | | lactobacillus paracasei | species | 1 | 0 |
| united kingdom | england | lactobacillus paracasei | species | 1 | 0 |
| united states | | lactobacillus casei | species | 1 | 0 |
| united states | | lactobacillus casei crf28 | no rank | 117 | 0 |
| united states | | lactobacillus paracasei | species | 2321 | 0 |
| united states | | lactobacillus paracasei subsp. tolerans | subspecies | 2 | 0 |
| united states | california | lactobacillus casei | species | 0 | 1 |
| united states | california | lactobacillus casei ucd174 | no rank | 234 | 0 |
| united states | district of columbia | lactobacillus casei | species | 176 | 1 |
| united states | illinois | lactobacillus paracasei subsp. paracasei | subspecies | 4 | 0 |
| united states | maryland | lactobacillus casei | species | 724 | 0 |
| united states | massachusetts | lactobacillus paracasei | species | 428 | 0 |
| united states | new york | lactobacillus paracasei | species | 411 | 0 |
| united states | pennsylvania | lactobacillus paracasei | species | 1 | 0 |
| united states | south carolina | lactobacillus casei | species | 0 | 1 |
| united states | utah | lactobacillus casei | species | 1 | 0 |
| united states | washington | lactobacillus casei | species | 1748 | 0 |
| united states | washington | lactobacillus paracasei | species | 526 | 0 |
| united states | wisconsin | lactobacillus casei | species | 228 | 0 |
| united states | wisconsin | lactobacillus casei 12a | no rank | 2 | 0 |
| united states | wisconsin | lactobacillus casei 21/1 | no rank | 152 | 0 |
| united states | wisconsin | lactobacillus casei 32g | no rank | 86 | 0 |
| united states | wisconsin | lactobacillus casei m36 | no rank | 158 | 0 |
| united states | wisconsin | lactobacillus casei uw1 | no rank | 288 | 0 |
| united states | wisconsin | lactobacillus casei uw4 | no rank | 246 | 0 |
| united states | wisconsin | lactobacillus paracasei | species | 12 | 0 |
| uruguay | | lactobacillus casei | species | 1 | 0 |
| uruguay | | lactobacillus paracasei | species | 2 | 0 |
| vietnam | | lactobacillus casei | species | 2 | 0 |