| Name | Laboulbenia idiostoma Thaxter |
| Authorship | Thaxter |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Laboulbenia Montagne & C. P. Robin |
| Citation | 1914 Proc. Amer. Acad. Arts 50: 28 |
| Holdings | 15 Specimens held in the Harvard University Herbaria identified as Laboulbenia idiostoma Thaxter |
| Identification made in | [no date] (15) |