舊式分類法（外觀+產區）左到右: Forastero, Trinitario, Criollo
Geographic and Genetic Population Differentiation of the Amazonian Chocolate Tree (Theobroma cacao L) by Juan C. Motamayor Philippe Lachenaud Jay Wallace da Silva e Mota Rey Loor David N. Kuhn J. Steven Brown Raymond J. Schnell via PLoS / CC BY 3.0 / Modified by countries drawn on original