Basionym Name:Lecanora praecrenata Nyl., in Hasse, Lichens of South California, edn 2: 12 (1898)
Homotypic synonyms:Aspicilia praecrenata (Nyl.) Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 5 sér. 2(1): 115 (1910)