| Name | Physcia halei J. W. Thomson |
| Authorship | J. W. Thomson |
| Rank | Species |
| Placed in | Physcia (Schreber) Michaux |
| Citation | 1963 Nova Hedwigia Beih. 7: 57 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Physcia halei J. W. Thomson |
| Identification made in | [no date] (4) |
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