| lactobacillus acidophilus | species | bacteria | bacteria | species | 1579 |
| lactobacillus agilis | species | bacteria | bacteria | species | 1601 |
| lactobacillus alvi | species | | | species | 990412 |
| lactobacillus animalis | species | bacteria | bacteria | species | 1605 |
| lactobacillus aviarius | species | bacteria | bacteria | species | 1606 |
| lactobacillus aviarius subsp. araffinosus dsm 20653 | no rank | | | no rank | 1423820 |
| lactobacillus aviarius subsp. aviarius dsm 20655 | no rank | | | no rank | 1423821 |
| lactobacillus brevis | species | bacteria | bacteria | species | 1580 |
| lactobacillus coleohominis | species | bacteria | bacteria | species | 181675 |
| lactobacillus crispatus | species | bacteria | bacteria | species | 47770 |