| Name | Calycadenia truncata subsp. microcephala H. M. Hall ex D. D. Keck |
| Authorship | H. M. Hall ex D. D. Keck |
| Rank | Subspecies |
| Placed in | Calycadenia truncata de Candolle |
| GUID | urn:lsid:ipni.org:names:42914-2 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Calycadenia truncata subsp. microcephala H. M. Hall ex D. D. Keck |
| Identification made in | [no date] (9), 1935 (4) |