1. Committee on Evolutionary Biology University of Chicago 1025 E. 57th Street, Chicago Illinois 60637 U.S.A.
2. Science & Education, The Field Museum 1400 S. Lake Shore Drive, Chicago Illinois 60605 U.S.A.
3. Botanischer Garten und Botanisches Museum Königin‐Luise‐Straße 6–8, 14195 Berlin Germany
4. Licenciatura en Biología Universidad Distrital Francisco José de Caldas, Cra. 4 No. 26D‐54, Torre de Laboratorios Herbario Bogotá Colombia
5. Biological Sciences University of Illinois at Chicago 845 W. Taylor St., Chicago Illinois 60607 U.S.A.