| Name | Physcia millegrana Degelius |
| Authorship | Degelius |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Physcia (Schreber) Michaux |
| GUID | urn:lsid:indexfungorum.org:names:120902 |
| Citation | 1942 Ark. Bot. 30 A: 56 |
| Holdings | 254 Specimens held in the Harvard University Herbaria identified as Physcia millegrana Degelius |
| Identification made in | [no date] (229), 1956 (8), 2000 (1), 2007 (1), 2010 (10), 2018 (1), 2022 (4) |