Delprete, P. G. (2017). Chiococca plowmanii, a new species endemic to the coastal vegetation of northeastern Brazil, and a realignment of Chiococca nitida (Rubiaceae). Revista de Biologia Neotropical / Journal of Neotropical Biology, 1(1-2), 4-10. https://teste.revistas.ufg.br/RBN/article/view/4503