| Name | Physcia pulverulenta f. panniformis Crombie |
| Authorship | Crombie |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Physcia pulverulenta (Schreber) Nylander |
| Remarks | [Crombie published the name originally as Physcia pulverulenta (Schreb.) f. panniformis Cromb. in 1880, but mentions it in his British Lichens from 1894 as Physcia pulverulenta Nyl. f. panniformis Cromb.] M. Schmull, March 2009 |
| GUID | urn:lsid:indexfungorum.org:names:432891 |
| Citation | 1880 J. Linn. Soc., Bot. 17: 571 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Physcia pulverulenta f. panniformis Crombie |
| Identification made in | 1956 (2), 1957 (1) |