Basionym Name:Herpothallon sipmanii Aptroot, Lücking & Rivas Plata, Biblthca Lichenol. 99: 64 (2009)
Homotypic synonyms:Heiomasia sipmanii (Aptroot, Lücking & Rivas Plata) Nelsen, Lücking & Rivas Plata, Bryologist 113(4): 748 (2010)