Basionym Name:Charcotia rufidula Hue, Bull. Soc. bot. Fr. 62: 185 (1915)
Homotypic synonyms:Arthonia rufidula (Hue) D. Hawksw., R. Sant. & Øvstedal, in Hawksworth, Syst. Ascom., Reprint of Volumes 1-4 (1982-1985) 10(2): 132 (1991)Umbilicaria rufidula (Hue) Filson, Muelleria 6(5): 343 (1987)