Costa, Cristina Bestetti, and Maria Candida Henrique Mamede. 2002. “Synopsis of the Genus Coccocypselum P. Browne (Rubiaceae) in the State of São Paulo, Brazil”. Biota Neotropica 2 (1). Sao Paulo, Brazil. //www.biotaneotropica.org.br/BN/article/view/1135.