Lichenologist 47: 258 (2015).

Protolog: Guatemala, Quezaltenango, S of Quezaltenango, S of Llano del Pinal, N slope of Volcano Santa Maria, path among small agricultural fields with small forests, shrubs, trees and outcrops along path, 14°47.1'N, 91°32.9'W, 2500 m, on lower part of trunk of a mature Quercus, 23 July 2004, P. & B. v.d.Boom 32943 (BR-holotype; hb.v.d.Boom-isotype).

Type locality: Guatemala, Quezaltenango, S of Quezaltenango, south of Llano del Pinal, north slope of Volcano Santa Maria, path among small agricultural fields with small forests, shrubs, trees and outcrops along path, on lower part of trunk of a mature Quercus, 2500 m, 23.7.2004, P. & B. van den Boom 32943 (BR - holotype; van den Boom - isotype).

Type locality coordinates: 14°47.1'N, 91°32.9'W.