This website was financed by the Spanish Ministry of Education and Science through the research projects PR2001-0293, , REN2003-00766, CGL2004-00788/BOS and CGL2007-60692/BOS (co-financed by FEDER) and the “Ramón y Cajal” Program (co-financed by European Social Fund), the “Fundación Séneca” of Murcia (projects 02979/PI/05 and 08651/PI/08), the “Secretaría de Estado de Universidades e Investigación” through a postdoctoral grant at the Missouri Botanical Garden and the European Union through the COLPARSYST program.

We are grateful to the curators of the cited herbaria for the loan of the specimens or assistance during our visit to the herbaria and also the individuals from whose private collections we borrowed material.