Kraus, J., Isaias, R., Vecchi, C., & Fernandes, G. (2003). Structure of Insect Galls on Two Sympatric Subspecies of Chrysothamnus nauseosus (Pall. Ex Pursh) Britton (Asteraceae). Boletim De Botânica, 21(2), 251-263. https://doi.org/10.11606/issn.2316-9052.v21i2p251-263