(Berberis negeriana)
Berberis negeriana is a species of barberry, native and endemic to an extremely small area in coastal range of Bio-Bio Region in Chile. Common name include Neger's barberry and (Chilean Spanish) michay de Neger. It is an evergreen thorny shrub growing to 2 to 3 m (6 ft 7 in to 9 ft 10 in) tall. Its flowers are yellow. It is considered a threatened woody shrub and only two natural populations are known, near Concepción, Chile.