| Name | Physcia hirsuta Mereschkowski |
| Authorship | Mereschkowski |
| Rank | Species |
| Placed in | Physcia (Schreber) Michaux |
| GUID | urn:lsid:indexfungorum.org:names:356423 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Physcia hirsuta Mereschkowski |
| Identification made in | [no date] (3) |
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