| Name | Acarospora thamnina (Tuckerman) Herre |
| Authorship | (Tuckerman) Herre |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Acarospora A. Massalongo |
| Holdings | 21 Specimens held in the Harvard University Herbaria identified as Acarospora thamnina (Tuckerman) Herre |
| Identification made in | [no date] (4), 1959 (1), 2004 (2), 2005 (2), 2007 (4), 2009 (1), 2010 (7) |