1. Ghent University, Department of Biology, Research Group Spermatophytes, K.L. Ledeganckstraat 35, 9000 Gent, Belgium;, Email: yannick.desmet@ugent.be
2. Ghent University, Department of Biology, Research Group Spermatophytes, K.L. Ledeganckstraat 35, 9000 Gent, Belgium, Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México,
Apartado Postal 70-367, 04510 Coyoacán, Distrito Federal, Mexico
3. Technische Universität Dresden, Institut für Botanik, Zellescher Weg 20b, 01062 Dresden, Germany
4. Ghent University, Department of Biology, Research Group Spermatophytes, K.L. Ledeganckstraat 35, 9000 Gent, Belgium
5. Ghent University, Department of Biology, Research Group Spermatophytes, K.L. Ledeganckstraat 35, 9000 Gent, Belgium, Instituto de Ecología, A.C., Centro Regional del Bajío, Avenida Lázaro Cárdenas
253, 61600 Pátzcuaro, Michoacán, Mexico;, Email: mariestephanie.samain@gmail.com