Gómez Bolea, Antonio & Mercedes Barbero Castro. Polycauliona maheui, the basionym of Rhizoplaca maheui comb. nov. Mycotaxon 108: 341–46. 2009.

ABSTRACT: The new combination and lectotypification of Rhizoplaca maheui is introduced for Polycauliona maheui. In addition, Rhizoplaca bullata is declared to be conspecific with Rhizoplaca maheui and is a heterotypic synonym of this last species.

KEYWORDS: lichens, Lecanoraceae, silicicolous