| Name | Gymnosiphon portoricensis Urban |
| Authorship | Urban |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Gymnosiphon |
| GUID | urn:lsid:ipni.org:names:115833-2 |
| Citation | 1903 Symb. Antill. [Urban] 3: 445 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Gymnosiphon portoricensis Urban |
| Identification made in | [no date] (1) |