Pollito PAZ, Filho MT. Cinchona amazonica Standl. (Rubiaceae) in the state of Acre, Brazil. bcnaturais [Internet]. 2006 Apr. 15 [cited 2025 Oct. 14];1(1):9-18. Available from: https://boletimcn.museu-goeldi.br/bcnaturais/article/view/752