Ossenbach, Carlos. “Precursors of the Botanical Exploration of South America. Willem Piso (1611–1678) and Georg Marcgrave (1610–1644)”. Lankesteriana: International Journal on Orchidology 17, no. 1 (April 21, 2017). Accessed December 18, 2024. https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/28527.