1. Botanic Institute of Barcelona (IBB, CSIC‐Ajuntament de Barcelona), Pg. del Migdia s.n. 08038 Barcelona Spain
2. Jepson Herbarium and Department of Integrative Biology University of California Berkeley California 94720 U.S.A.
3. Department of Biological Sciences, Center for Biodiversity University of Memphis Memphis Tennessee 38152 U.S.A.
4. Laboratorio de Botánica Facultad de Agronomía Av. Garzón 780 Montevideo CP 12900 Uruguay
5. Department of Botany University of Hawaii Honolulu Hawaii 96822 U.S.A.
6. Laboratorio de Botánica, Facultade de Farmacia Universidade de Santiago 15782 Santiago de Compostela Galicia Spain
7. Department of Botany, MRC 166, NMNH box 37013 Smithsonian Institution Washington D.C. 20012‐7013 U.S.A.
8. Herbarium, Museum of Biological Diversity The Ohio State University 1315 Kinnear Road Columbus Ohio 43212 U.S.A.
9. Department of Botany and Biodiversity Research University of Vienna Rennweg 14 1030 Vienna Austria