BioStor
 | A report on a collection of Coccidae from Argentine, II (Hemiptera Coccidae) (1923) Proceedings of The Entomological Society of Washington 25: 122-126 |
 | Miscellaneous notes on Neotropical flora---XIII J Cuatrecasas (1981) Phytologia 49: 69-75 |
 | Infrageneric taxonomy of North and Central American Baccharis (Asteraceae: Astereae) G L Nesom (1990) Phytologia 69: 40-46 |
 | How Rich is the Flora of Brazilian Cerrados? A A J F Castro, F R Martins et al. (1999) Annals of the Missouri Botanical Garden 86: 192-224 |
 | New infragenera in Baccharis (Asteraceae, Astereae) D A Giuliano (2005) Novon 15: 534-541 |