| diplectrona modesta | | USA: Kentucky, Edmonson County, Mammoth Cave, Three Springs | | 298109201 |
| diplectrona modesta | | USA: Kentucky, Edmonson County, Roadside spring upslope from Echo River and Green River Ferry | | 298109213 |
| diplectrona modesta | | USA: Kentucky, Edmonson County, Cinnamon Fern Bog, Collie Ridge Road | | 298109233 |
| diplectrona modesta | | USA: Kentucky, Edmonson County, Mammoth Cave, Mill Branch at mouth of Good Spring run, at bridge | | 388524024 |