Francisrosea Ertz & Sanderson gen. nov.

MycoBank number: MB 836494; Index Fungorum number: IF 836494; Facesoffungi number: FoF 13848;

A new genus in the family Gyalectaceae, distinguished by having an isolated phylogenetic position as sister to a clade including Gyalidea praetermissa and the genera Neopetractis and Ramonia, and characterized by an inconspicuous thallus with small discrete erumpent soralia lacking acetone-soluble secondary metabolites detectable by TLC.

Type species: Francisrosea bicolor Ertz & Sanderson.

Etymology: Named after Francis Rose for his outstanding contribution to the protection and study of the lichen flora of forests with a long historical continuity, in Great Britain.

Description: See specific description below.