Strong postzygotic isolation prevents introgression between two hybridizing Neotropical orchids, Epidendrum denticulatum and E. fulgens - Fábio Pinheiro; Poliana Cardoso-Gustavson; Rogério Mamoru Suzuki; Monique Cristine R. Abrão; Leonardo R. S. Guimarães; David Draper; Ana Paula Moraes (Evolutionary Ecology, 2015)