| Name | Costesia spongiosa Thériot |
| Authorship | Thériot |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Costesia |
| Citation | 1917 Revista Chilena Hist. Nat. 21: 12 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Costesia spongiosa Thériot |
| Identification made in | [no date] (1) |