Dantas, J.D.O., Alves, E.S., Lücking, R. & Cáceres, M.E.D.S. (2017)

Three new species of Graphidaceae (lichenized Ascomycota) from the semi-arid region of northeast Brazil

. Phytotaxa 331 (2): 289–294. https://doi.org/10.11646/phytotaxa.331.2.13