| Name | Acarospora squamulosa (Schrader) Th. Fries |
| Authorship | (Schrader) Th. Fries |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Acarospora A. Massalongo |
| Holdings | 17 Specimens held in the Harvard University Herbaria identified as Acarospora squamulosa (Schrader) Th. Fries |
| Identification made in | [no date] (14), 1906 (1), 1911 (2) |