Rogerpetersonia Aime & McTaggart, gen. nov.

MycoBank number: MB 836606; Index Fungorum number: IF 836606; Facesoffungi number: FoF;

Type species: Rogerpetersonia torreyae (Bonar) Aime & McTaggart, this paper.

Etymology: In honour of Roger Peterson, botanist, ecologist, mycologist and plant pathologist, who pioneered studies on Southern Hemisphere conifer rusts.

Diagnosis: Differs from all other rust fungi in forming gametothalli on Taxaceae (Torreya).

Description: With the characteristics of Rogerpetersonia torreyae.