| Name | Guatteria microcalyx R. E. Fries |
| Authorship | R. E. Fries |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Guatteria |
| GUID | urn:lsid:ipni.org:names:73513-1 |
| Citation | 1939 Acta Horti Berg. 12(3): 497 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Guatteria microcalyx R. E. Fries |
| Identification made in | 1968 (1), 2025 (1) |