Doubtful according to GBIF classification (Possible variant of Rhizocarpon disporum var. citrinum (Syd.) Clauzade & Cl.Roux)
Rhizocarpon disporum f. irriguum (Flot.) Zahlbr.
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Rhizocarpon disporum (Nägeli ex Hepp) Müll.Arg.)
Rhizocarpon disporum var. citrinum (Syd.) Clauzade & Cl. Roux