| Name | Hypogymnia physodes var. platyphylla (Acharius) Walt. Watson |
| Authorship | (Acharius) Walt. Watson |
| Rank | Variety |
| Placed in | Hypogymnia physodes (Linnaeus) Nylander |
| GUID | urn:lsid:indexfungorum.org:names:351231 |
| Citation | 1942 Trans. Bot. Soc. Edinburgh 33: 186 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Hypogymnia physodes var. platyphylla (Acharius) Walt. Watson |
| Identification made in | [no date] (8) |