Heiden, G., and J. R. Pirani. “Taxonomy of Baccharis Subgen. Tarchonanthoides (Asteraceae: Astereae: Baccharidinae), a Group from the Southeastern South American Grasslands and Savannas”. Phytotaxa, vol. 241, no. 1, Jan. 2016, pp. 1–70, doi:10.11646/phytotaxa.241.1.1.