Basionym Name:Lecidea longiuscula Nyl., in Triana & Planchon, Annls Sci. Nat., Bot., sér. 4 19: 339 (1863)
Homotypic synonyms:Phyllopsora longiuscula (Nyl.) Zahlbr., Cat. Lich. Univers. 4: 398 (1926)Psora longiuscula (Nyl.) Müll. Arg., Flora, Regensburg 65: 483 (1882)