1. Department of Biology (Botany) Universidad Autónoma de Madrid Campus Cantoblanco 28049 Madrid Spain
2. Centro de Investigación en Biodiversidad y Cambio Global (CIBC‐UAM) Universidad Autónoma de Madrid 28049 Madrid Spain
3. Department of Biodiversity and Conservation Real Jardín Botánico (RJB‐CSIC) 28014 Madrid Spain
4. Grainger Bioinformatics Center, Department of Science and Education Botany The Field Museum 1400 South Lake Shore Drive Chicago Illinois 60605‐2496 U.S.A.
5. Área de Botánica, Departamento de Biología Molecular e Ingeniería Bioquímica Universidad Pablo de Olavide carretera de Utrera Km 1 s.n. 41013 Seville Spain
6. Laboratory of Plant Cytogenetics and Evolution, Department of Botany Federal University of Pernambuco 50670‐420 Recife Pernambuco Brazil
7. New York Botanical Garden Bronx New York New York 10458‐5126 U.S.A.
8. University of Michigan Herbarium 3600 Varsity Drive Ann Arbor Michigan 48108‐2228 U.S.A.
9. School of Biological Sciences Washington State University Pullman Washington 99164‐4236 U.S.A.
10. Department of Biology University of Ottawa Ottawa Ontario K1N 6N5 Canada