Euro+MedendemicA,B,C: Italy, with San Marino and Vatican CitynativeA,B,C; Sicily, with Malta (SicilynativeA,C,D)
Bibliography
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B.Pignatti, S. 1982: Flora d'Italia 2
C.Snogerup, S. & Snogerup, B. 2001: Bupleurum L. (Umbelliferae) in Europe - the annuals, B. sect. Bupleurum and sect. Aristata. – Willdenowia 31: 205-308
D.Giardina, G., Raimondo, F. M. & Spadaro, V. 2007: A catalogue of plants growing in Sicily. – Bocconea 20