Simão, E., A. T. Nakamura, and M. Takaki. “The Germination of Seeds of Epiphyllum Phyllanthus (L.) Haw. (Cactaceae) Is Controlled by Phytochrome and by Nonphytochrome Related Process”. Biota Neotropica, vol. 10, no. 1, Mar. 2010, //www.biotaneotropica.org.br/BN/article/view/607.