| Name | Physcia duplicorticata W. A. Weber & J. W. Thomson |
| Authorship | W. A. Weber & J. W. Thomson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Physcia (Schreber) Michaux |
| Citation | 1975 Mycotaxon 3(1): 102-104 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Physcia duplicorticata W. A. Weber & J. W. Thomson |
| Identification made in | [no date] (1), 2010 (1) |
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