| Name | Guajacum coulteri A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Guajacum |
| Citation | 1855 Mem. Amer. Acad. Arts 5: 312 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Guajacum coulteri A. Gray |
| Identification made in | [no date] (3), 1963 (2), 2008 (2) |