Phytologia 28: 336 (1974). Basionym: Parmelia grayana Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 4 sér. 1: 184 (1899).
Basionym: Parmelia grayana Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 4 sér. 1: 184 (1899).