| Name | Thornea calcicola (Standley & Steyermark) Breedlove & McClintock |
| Authorship | (Standley & Steyermark) Breedlove & McClintock |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Thornea |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thornea calcicola (Standley & Steyermark) Breedlove & McClintock |
| Identification made in | [no date] (1) |