Parent: Stactolaema

└─ Stactolaema olivacea (Green barbet)

└─── Stactolaema olivacea belcheri

└─── Stactolaema olivacea howelli

└─── Stactolaema olivacea olivacea

└─── Stactolaema olivacea rungweensis

└─── Stactolaema olivacea woodwardi