Basionym Name:Hafellia fosteri Imshaug & Sheard, in Sheard, Bryologist 95(1): 85 (1992)
Homotypic synonyms:Buellia fosteri (Imshaug & Sheard) Perlmutter & Rivas Plata, Opuscula Philolichenum 17: 320 (2018)