| Name | Exacum walkeri Arnott ex Grisebach |
| Authorship | Arnott ex Grisebach |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Exacum |
| GUID | urn:lsid:ipni.org:names:367577-1 |
| Citation | 1838 Gen. Sp. Gent. 110 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Exacum walkeri Arnott ex Grisebach |
| Identification made in | [no date] (1) |