| Name | Masonhalea Kärnefelt |
| Authorship | Kärnefelt |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Parmeliaceae |
| Contains | Masonhalea richardsonii (Hooker) Kärnefelt Masonhalea sp. |
| Remarks | Type species: M. richardsonii (Hooker) Kärnefelt (Cetraria richardsonii Hooker in Richardson 1823) |
| Citation | 15 Apr 1977 Bot. Not. 130: 101 |
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