Euro+Medendemic: Spain, with Gibraltar and Andorra (SpainnativeA,B,C)
Bibliography
A.Bolòs, O. de, Vigo Bonada, J., Masalles, R. M. & Ninot, J. M. 1990: Flora manual dels països catalans. – Barcelona
B.Castroviejo, S. 2015: Flora Iberica 9. – Madrid
C.Townsend, C. C. 1986: Taxonomic revision of the genus Haplophyllum (Rutaceae). – Hooker's Icones Plantarum; or figures, with brief descriptive characters and remarks of new or rare plants 40: 1-336