Bot. Jb. 6: 405 (1885). Basionym: Verrucaria excellens Nyl., in Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 3 sér. 4: 124 (1892).
Basionym: Verrucaria excellens Nyl., in Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 3 sér. 4: 124 (1892).