1. Institute of Geography; University of Erlangen-Nuremberg; Kochstr. 4 91054 Erlangen Germany
2. Herbarium Truxillense; National University of Trujillo; Jr. San Martín 392 Trujillo Peru
3. Faculty of Geography; University of Marburg; Deutschhausstr. 10 35032 Marburg Germany
4. Faculty of Engineering; University of Piura; Av. Ramón Murgica 131 Piura Peru
5. Institute of Ecology/Faculty of Sustainability and Center for Methods; Leuphana University; Scharnhorststr. 1 21335 Lüneburg Germany