The resistant fiber obtained from B. serra and B. hieronymi, both known as chaguar, is an essential component of the economy of the Wichí tribe in the semi-arid Gran Chaco region of Argentina.
Native Argentines on the other hand have significant populations in the country's North-West (Quechua, Diaguita, Kolla, Aymara); in the North-East (Guaraní, Mocoví, Toba, Wichí); and in the Patagonia or South (Mapuche, Tehuelche).
2006: Michael Stanley on the album The Farrago Sessions uses the song "Wichi Tai To" by Jim Pepper as the chorus