| Name | Houstonia subviscosa (C. Wright ex A. Gray) A. Gray |
| Authorship | (C. Wright ex A. Gray) A. Gray |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Houstonia |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Houstonia subviscosa (C. Wright ex A. Gray) A. Gray |
| Identification made in | [no date] (5), 1976 (2), 2003 (5) |