1. Aedo C., Castroviejo S. (2009) Anthos: sistema de information sobre las plantas de Espana. www.anthos.es
2. Alonso C., Vamosi JC, Knigth TM, Steets JA, Ashman T-L (2010) Is reproduction of endemic plant species particularly pollen limited in biodiversity hotspots? Oikos 119:1192–1200
3. Anacker BL, Strauss SY (2014) The geography and ecology of plant speciation: range overlap and niche divergence in sister species. Proc R Soc B 281:2013–2980
4. Bañares Á, Blanca G, Güemes J, Moreno JC, Ortiz S (eds) (2010) Atlas y Libro Rojo de la Flora Vascular Amenazada de España. Adenda 2010. Dirección General de Medio Natural y Política Forestal (Ministerio de Medio Ambiente, y Medio Rural y Marino)- Sociedad Española de Biología de la Conservación de Plantas. Madrid
5. Baskauf CJ (2001) Examining Rarity through Comparisons with Widespread Congeners: A Genetic and Ecophysiological Example from Limestone Glade Endemics. Castanea 66:126–133