| Name | Dyckia microcalyx Baker |
| Authorship | Baker |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Dyckia Schultes & Schultes f. |
| Contains | Dyckia microcalyx var. inermis Hassler Dyckia microcalyx var. ostenii L. B. Smith |
| GUID | urn:lsid:ipni.org:names:86299-2 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Dyckia microcalyx Baker |
| Identification made in | [no date] (2), 1986 (9) |