Alexandre Rodrigues Ferreira

Alexandre Rodrigues Ferreira was a naturalist born in the Portuguese colony of Brazil. He undertook an extensive journey which crossed the interior of the Amazon Basin to Mato Grosso, between 1783 and 1792. During this journey, he described the agriculture, flora, fauna, and native inhabitants. Because of the energy and skill that he devoted to his explorations, he became known as the Brazilian Humboldt.

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Source: Wikipedia