| Arten: |
| Frailea buenekeri |
| Frailea buenekeri subsp. buenekeri |
| Frailea buenekeri subsp. densispina |
| Frailea buiningiana |
| Frailea castanea |
| Frailea castanea subsp. castanea |
| Frailea castanea subsp. harmoniana |
| Frailea cataphracta |
| Frailea cataphracta subsp. cataphracta |
| Frailea cataphracta subsp. duchii |
| Frailea cataphracta subsp. melitae |
| Frailea cataphracta subsp. tuyensis |
| Frailea chiquitana |
| Frailea curvispina |
| Frailea friedrichii |
| Frailea gracillima |
| Frailea gracillima subsp. albifusca |
| Frailea gracillima subsp. gracillima |
| Frailea gracillima subsp. horstii |
| Frailea knipperiana |
| Frailea mammifera |
| Frailea perumbilicata |
| Frailea phaeodisca |
| Frailea pseudopulcherrima |
| Frailea pumila |
| Frailea pumila subsp. deminuta |
| Frailea pumila subsp. pumila |
| Frailea pygmaea |
| Frailea pygmaea subsp. albicolumnaris |
| Frailea pygmaea subsp. fulviseta |
| Frailea pygmaea subsp. pygmaea |
| Frailea schlinzkyana |
| Frailea schlinzkyana subsp. grahliana |
| Frailea schlinzkyana subsp. moseriana |
| Frailea schlinzkyana subsp. schlinzkyana |