Source: Raab-Straube, E. von & Henning, T. (2018+): Violaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Euro+Medendemic: AlbanianativeA; Former YugoslavianativeB; Greecenative ‒ nativeB,C; North MacedonianativeD,E
Bibliography
A.Vangjeli, J. 2017: Flora Albanica. Atlas 1. – Schmitten-Obereifenberg: Koeltz
B.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
C.Strid, P. A. K. 1986: Mountain Flora of Greece 1. – Cambridge & Edinburgh
D.Micevski, K. 1995: Flora of Republic of Macedonia 1(3). – Skopje: Macedonian Academy of Sciences and Arts
E.Trinajstić, I. (ed.) 1975: Flora analitica Jugoslaviae 2(1). – Zagreb: Institut za botaniku sveučilišta u Zagrebu