Press, London. Judd, W. S. et al. (1999). Plant Systematics: A Phylogenetic Approach. Sunderland, MA: Sinauer Associates, Inc. Nieto Feliner, Gonzalo; Jury, Stephen Leonard & Herrero Nieto, Alberto (eds.) Flora iberica. Plantas vasculares de la Península Ibérica e Islas Baleares. Vol. X. "Araliaceae-Umbelliferae" (2003) Madrid: Real Jardín Botánico, CSIC (in Spanish). External links Umbelliferae at The Families of Flowering Plants (DELTA) Apiaceae at Discover Life Umbellifer Resource Centre at the Royal Botanic Garden Edinburgh Umbellifer Information Server at Moscow State University Asterid families