| Name | Pentastichella jaffuelii Thériot |
| Authorship | Thériot |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pentastichella |
| Citation | 1921 Revista Chilena Hist. Nat. 25: 301 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Pentastichella jaffuelii Thériot |
| Identification made in | [no date] (1), 2003 (1), 2023 (2) |