| Name | Acarospora pleistospora (Nylander) Hasse |
| Authorship | (Nylander) Hasse |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Acarospora A. Massalongo |
| Citation | 1913 Contr. U.S. Natl. Herb. 17: 66 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Acarospora pleistospora (Nylander) Hasse |
| Identification made in | [no date] (6), 1896 (1), 1899 (1) |