1. Azores Biodiversity Portal 2008. http://www.azoresbioportal.angra.uac.pt
2. Bataillon TM, David JL, Schoen DJ (1996) Neutral genetic markers and conservation genetics: simulated germplasm collections. Genetics 144:409–417
3. Belkhir K, Borsa P, Chikhi L, Raufasre N, BonHomme F (2002) Genetix 4.04, Logiciel sous Windows TM pour la genetique des populations. Laboratoire Génome, Populations, Interations. CNRS UMR5000. Université de Montpellier II, France
4. Bellemain E, Ricklefs RE (2008) Are islands the end of the colonization road? Trends Ecol Evol 23(8):461–468
5. Bogler DJ (2006) Leontodon Linnaeus. In: Flora of North America Editorial Committee (eds) Flora of North America. Magnoliophyta: Asteridae, part 6: Asteraceae, part 1, vol 19. Oxford University Press, New York, pp 294–296