Berberis weberbaueri is a shrub in the Berberidaceae described as a species in 1908.Schneider, Camillo Karl. 1908. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 42: 83-84 descriptions in Latin, commentary in German It is endemic to Peru, found in the regions of Ancash, Cajamarca, La Libertad, and Lambayeque.Tropicos, Berberis weberbaueri C.K. Schneid.Macbride, J. F. 1938. Berberidaceae. 13(2/3): 665–680. In J. F. Macbride (ed.) Flora of Peru. Publications of the Field Museum of Natural History, Botanical Series Field Museum, ChicagoAhrendt, L. W. A. 1961. Berberis and Mahonia. A taxonomic revision. Journal of the Linnean Society, Botany 57(369): 1–410.
The species is listed as endangered.León, B., J. Roque, C. Ulloa Ulloa, N. C. A. Pitman, P. M. Jørgensen & A. Cano E. 2006 . El Libro Rojo de las Plantas Endémicas del Perú. Revista Peruana de Biologia 13(núm. 2 especial): 1s–971s.
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