Federico Luebert is grateful to the following institutions and people: German Academic Excahnge Service (DAAD), Smithsonian Institution, Freie Universität Berlin, Universidad de Chile, Markus Ackermann, Grischa Brokamp, Michael Dillon, Rodolfo Gajardo, Nicolás García, Hartmut H. Hilger, Andrés Moreira-Muñoz, Mélica Muñoz-Schick, Patricio Pliscoff, Maximilian Weigend, Jun Wen. Material from following herbaria have been consulted: A, AAU, B, BM, BSB, C, CONC, DR, EIF, F, G, GH, GOET, HAL, K, LL, M, MA, MO, MSB, NY, QCA, SGO, TEX, ULS, US, W, WU. The content of the website has benefited form the support provided by the SYNTHESYS project, which is financed by European Community Research Infrastructure Action under the FP6 “Structuring the European Research Area” (grant GB-TAF-4514) and the FP7 “Capacities” (grants ES-TAF-136 and AT-TAF-2001) Programmes.