Source: Raab-Straube, E. von & Henning, T. (2018+): Violaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Euro+Medendemic: Italy, with San Marino and Vatican CitynativeA,B,C
Bibliography
A.Conti, F., Abbate, G., Alessandrini, A. & Blasi, C. 2005: An annotated checklist of the Italian vascular flora. – Roma: Fratelli Palombi
B.Pignatti, S. 1982: Flora d'Italia 2
C.Tutin, T. G., Heywood, V. H., Burges, N. A., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964–1980: Flora europaea 1-5. – Cambridge: Cambridge University Press
