Yu, Chih-Chieh; Chung, Kuo-Fang (2017). "Why Mahonia? Molecular recircumscription of Berberis s.l., with the description of two new genera, Alloberberis and Moranothamnus". Taxon. 66 (6): 1371–1392. doi:10.12705/666.6.
Weiss, Daniel (July–August 2017). "From the Trenches". Archaeology. 70 (4): 9–22. JSTOR26348971.
medlineplus.gov
"Berberine". Natural Medicines Comprehensive Database Consumer Version. MedlinePlus, National Library of Medicine, US National Institutes of Health. 22 February 2024. Retrieved 31 July 2024.