| Name | Haplocalymma microcephalum S. F. Blake |
| Authorship | S. F. Blake |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Haplocalymma S. F. Blake |
| GUID | urn:lsid:ipni.org:names:117358-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Haplocalymma microcephalum S. F. Blake |
| Identification made in | 1917 (1) |