Berberis negeriana

Berberis negeriana is a species of flowering plant in the family Berberidaceae. It is 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 tall. Its flowers are yellow. It is considered a threatened woody shrub and only two natural populations are known, near Concepción, Chile.