Farroñay, F., Oliveira Perdiz, R. d., Costa, F. M., Prata, E. M. B., & Vicentini, A. (2020). A new record and emended description of a rare Amazonian white-sand species: Schoepfia clarkii (Schoepfiaceae). Brittonia.

Farroñay, Francisco, Ricardo de Oliveira Perdiz, Flavio Magalhães Costa, Eduardo Magalhães Borges Prata, and Alberto Vicentini. A New Record and Emended Description of a Rare Amazonian White-sand Species: Schoepfia Clarkii (Schoepfiaceae). Brittonia, 2020.

Farroñay, Francisco, et al. A New Record and Emended Description of a Rare Amazonian White-sand Species: Schoepfia Clarkii (Schoepfiaceae). Brittonia, 2020.