| Name | Protothelenella corrosa (Korb) H. Mayrhofer & Poelt |
| Authorship | (Korb) H. Mayrhofer & Poelt |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Protothelenella Räsänen |
| Citation | 1985 Herzogia 7(1-2): 42 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Protothelenella corrosa (Korb) H. Mayrhofer & Poelt |
| Identification made in | [no date] (4) |