Herb. Lich. Orne Calvados 401 [label] (1884).

Basionym: Lichen giganteus Bory, Voy. Iles Afrique 3: 83 (1804).

Type locality: France, Réunion ("Ile de Bourbon"), entrance of Coteau Maigre, 1801-1802, J. Bory s.n. (PC-Thur - lectotype; PC, BM?, G?, H-ACH 1602?, MB?, PC? - isolectotypes). Lectotypification by Ahti & Aptroot (1992).