1. Adams RP (2017) Identification of essential oil components by gas chromatography/mass spectrometry 4, 1st edn. Allured Publishing Corporation, Carol Stream
2. Assyov B, Petrova A, Dimitrov D, Vassilev R (2012) Conspectus of the Bulgarian vascular flora, 4th edn. Bulgarian Biodiversity Foundation, Sofia
3. Asuming WA, Beauchamp PS, Descalzo JT, Dev BC, Dev V, Frost S, Ma CW (2005) Essential oil composition of four Lomatium Raf. species and their chemotaxonomy. Biochem Syst Ecol 33:17–26. https://doi.org/10.1016/j.bse.2004.06.005
4. Bartolucci F, Peruzzi L, Galasso G, Albano A, Alessandrini A, Ardenghi NMG, Astuti G, Bacchetta G, Ballelli S, Banfi E, Barberis G, Bernardo L, Bouvet D, Bovio M, Cecchi L, Di Pietro R, Dominao G, Fascetti S, Fenug G, Festi F, Foggi B, Gallo L, Gottschlich G, Gubellini L, Iamonico D, Iberite M, Jiménez-Mejías P, Lattanzi E, Marchetti D, Martinetto E, Masin RR, Medagli P, Passalacqua NG, Peccenini S, Pennesi R, Pierini B, Poldini L, Prosser F, Raimondo FM, Roma-Marzio F, Rosati L, Santangelo A, Scoppola A, Scortegagna S, Selvaggi A, Selvi F, Soldano A, Stinca A, Wagensommer RP, Wilhalm T, Conti F (2018) An updated checklist of the vascular flora native to Italy. Pl Biosyst 152:179–303. https://doi.org/10.1080/11263504.2017.1419996
5. Brummitt RK (1968) Heracleum L. In: Tutin TG, Heywood VH, Burges NA, Moore DM, Valentine DH, Walters SM, Webb DA (eds) Flora Europaea, vol. 2. Cambridge University Press, London, pp 364–366