| Name | Medusulina Müller Argoviensis |
| Authorship | Müller Arg. |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Lichens |
| Contains | Medusulina chilena C. W. Dodge Medusulina sp. |
| Remarks | Lectotype: M. nitida (Eschweiler) Müller Argoviensis (Graphina nitida Eschweiler) (vide Clements & Shear, Gen. Fungi 308. Jun-Dec 1931) |
| Citation | Feb 1894 Bull. Herb. Boissier 2: 93 |