“…The Pampa, on the other hand, is limited to one Brazilian state and has been largely altered by agriculture, grazing and the introduction and spread of invasive alien species (Echer et al 2015). Formed by highly diverse ecosystems in terms of animals and plants, the Pampa is characterized by a peculiar floristic composition (Araujo et al 2018, Marchi et al 2018. This diversity is, however, threatened, while studies on its genetic heritage and conservation status are scarce (Santos & Silva 2011, Echer et al 2015.…”