| XV.—Observations on the affinities of the Olacaceæ John Miers (1851) Annals And Magazine of Natural History 8: 161-184 | |
| Los Curculionidae de la Cordillera chilenoargenliina (Ia. parte) (Aporte 13 de Coleoptera Curculionidae) Guillermo Kuschel (1952) Revista Chilena de Entomologia 2: 229-279 | |
| Revision of Berberis (Berberidaceae) in Chile and Adjacent Southern Argentina Leslie R Landrum (1999) Annals of the Missouri Botanical Garden 86: 793-834 |