Euro+Med: CroatianativeA; Former YugoslavianativeB,C; France, with Channel is. and Monaco (FrancenativeB,C); Italy, with San Marino and Vatican CitynativeB,C; SwitzerlandnativeC
A.Nikolić, T. 1994: Flora Croatica, Index Florae Croaticae. – Zagreb: Croatian Natural History Museum
B.Greuter, W., Burdet, H. M. & Long, G. 1984: Med-Checklist 1. – Genève & Berlin
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
D.Nikolić, T. 2000: Flora Croatica. Index florae Croaticae, 1. – Natura Croatica 3, Suppl. 1