| Name | Hypogymnia physodes (Linnaeus) Walt. Watson |
| Authorship | (Linnaeus) Walt. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypogymnia (Nylander) Nylander |
| Remarks | Authors not correct! Hypogymnia physodes (L.) Nyl. is the correct name! Walter Watson had named one variety of Hypogymnia physodes: H. physodes var. platyphylla (Ach.) Walt. Watson, (1942), and one forma: H. physodes f. labrosa (Ach.) Walt. Watson, Trans. Bot. Soc. Edinb., 150th anniversary supplement 33: 186 (1942) |
| Holdings | 32 Specimens held in the Harvard University Herbaria identified as Hypogymnia physodes (Linnaeus) Walt. Watson |
| Identification made in | [no date] (29), 1976 (1), 2018 (1), 2025 (1) |