Protothyrium G. Arnaud, C. r. hebd. Séanc. Acad. Sci., Paris 164: 574 (1917).

MycoBank number: MB 4395; Index Fungorum number: IF 4395; Facesoffungi number: FoF 02331; 3 morphological species (Species Fungorum 2020), molecular data unavailable.

Type species: Protothyrium salvadorae (Cooke) G. Arnaud, Annals d’École National d’Agric. de Montpellier, Série 2 16(1–4): 101 (1918) [1917].

Phyllachora salvadorae Cooke, Grevillea 13(no. 67): 65 (1885).

Notes: Four species are accepted in Protothyrium (Inácio and Cannon 2008). Species were reported as pathogenic on living leaves (morphology see Inácio and Cannon 2008; Wijayawardene et al. 2018, 2020). Protothyrium is characterized by superficial, circular or elliptical, flat, black ascostromata, becoming irregular in shape, opening by irregular slits (Inácio and Cannon 2008).


  • Protothyrium salvadorae