A.Villar, L., Sesé, J. A. & Ferrández, J. V., Atlas de la flora del Pirineo Aragonés 2. 2001
B.Lundevall, C.-F. & Øllgaard, H., The genus Taraxacum in the Nordic and Baltic countries: types of all specific, subspecific and varietal taxa, including type locations and sectional belonging in Preslia 71: 43-171. 1999