Alexandri de Humboldt et Amati Bonpland plantae æquinoctiales, per regnum Mexici, in provinciis Caracarum et Novae Andalusiae, in Peruvianorum, Quitensium, Novae Granatae Andibus, ad Orenoci, Fluvii Nigri, Fluminis Amazonum ripas nascentes

by Alexander von Humboldt, Aimé Bonpland