| Name | Thuidium costaricense Brotherus & Thériot |
| Authorship | Brotherus & Thériot |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Thuidium |
| Citation | 1921 Recueil Publ. Soc. Havraise Etudes Diverses 88: 314. 8. |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Thuidium costaricense Brotherus & Thériot |
| Identification made in | [no date] (1), 2008 (1) |