| Name | Physcia pulverulenta var. isidiigera Zahlbruckner |
| Authorship | Zahlbruckner |
| Rank | Variety |
| Placed in | Physcia pulverulenta (Schreber) Nylander |
| GUID | urn:lsid:indexfungorum.org:names:432892 |
| Citation | 1931 Cat. Lich. Univ. 7: 678 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Physcia pulverulenta var. isidiigera Zahlbruckner |
| Identification made in | [no date] (6) |
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