| 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 | 
