| Name | Microtoena megacalyx C. Y. Wu |
| Authorship | C. Y. Wu |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Microtoena |
| GUID | urn:lsid:ipni.org:names:451945-1 |
| Citation | 1959 Acta Phytotax. Sin. 8(1): 48 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Microtoena megacalyx C. Y. Wu |
| Identification made in | [no date] (1) |