in Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 3 sér. 4: 106 (1892). Basionym: Verrucaria pallidula Nyl., Flora, Regensburg 57: 73 (1874).
Basionym: Verrucaria pallidula Nyl., Flora, Regensburg 57: 73 (1874).