| Name | Houstonia gracilenta I. M. Johnston |
| Authorship | I. M. Johnston |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Houstonia |
| GUID | urn:lsid:ipni.org:names:753344-1 |
| Citation | 1924 Proc. Calif. Acad. Sci. ser. 4, 12: 1174 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Houstonia gracilenta I. M. Johnston |
| Identification made in | [no date] (1) |