| Name | Phialanthus macrocalyx subsp. alainii Borhidi |
| Authorship | Borhidi |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Phialanthus macrocalyx Borhidi |
| Remarks | nom. ined. 2008 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phialanthus macrocalyx subsp. alainii Borhidi |
| Identification made in | 2008 (1) |