Guevara Ramos, E., M. M. Agosto Pedroza, and R. L. Tremblay. “Effects of Flower Age on Pollination Success in Lepanthes Sanguinea”. Lankesteriana: International Journal on Orchidology, vol. 3, no. 2, Feb. 2016, doi:10.15517/lank.v3i2.23030.