Basionym Name:Polymeridium isohypocrellinum Xavier-Leite, M. Cáceres & Aptroot, Lichenologist 45(4): 548 (2013)
Homotypic synonyms:Dictyomeridium isohypocrellinum (Xavier-Leite, M. Cáceres & Aptroot) Aptroot, M.P. Nelsen & Lücking, in Aptroot & Lücking, Lichenologist 48(6): 925 (2016)