| Name | Physcia sp. |
| Authorship | |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Physcia (Schreber) Michaux |
| Holdings | 125 Specimens held in the Harvard University Herbaria identified as Physcia sp. |
| Identification made in | [no date] (121), 1899 (1), 1954 (1), 2009 (1), 2018 (1) |