Maria Franco Trindade Medeiros, graduated in Biological and Environmental Sciences, Master's and PhD in Biological Sciences (Botany) and Postdoctoral fellow in Botany and Ecology. Educator at Pontifical Catholic University of Rio de Janeiro (2012), Federal University of Campina Grande (2013-2018) and National Museum/ Federal University of Rio de Janeiro (since 2018), belonging to its Department of Botany and Postgraduate Program in Biological Sciences (Botany). She has held the Secretariat and Presidency of Brazilian Society of Ethnobiology and Ethnoecology (2009-2010, 2011-2012) and representative of the Ethnobotany Group of the Botanical Society of Brazil (2015-2017). She promoted scientific exhibitions in the Monasteries of São Bento, Brazil (Olinda - PE, 2011; Rio de Janeiro - RJ, 2013) and another one during the National Congress of Botany (Santos - SP, 2015), with the exhibition of items of biocultural collections of some institutions. Her interdisciplinary perspective of investigation searches for a dialog between Ethnoscience, with emphasis on Ethnobotany, History, Museology, Education and Biocultural Heritage.

Bárbara de Sá Haiad is a professor at the Botany Department and at the Postgraduate Program in Biological Sciences (Botany), National Museum/Federal University of Rio de Janeiro (UFRJ), supervising Undergraduate, Master's, and Doctoral students. She holds a degree in Biological Sciences (Ecology) from the Federal University of Rio de Janeiro, a master's degree and a PhD in Biological Sciences (Botany) from the same University, and a Postdoctoral fellow in Plant Secretory Structures at the São Paulo State University. She is interested on embryophyte morphology, with emphasis on reproductive axis' anatomy, mainly on floral anatomy, development and floral secretory structures.