| Name | Karwinskia calderoni Standley |
| Authorship | Standley |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Karwinskia Zuccarini |
| Citation | 1923 J. Wash. Acad. Sci. 13: 352 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Karwinskia calderoni Standley |
| Identification made in | [no date] (1) |