Sugden, Andrew M. “ASPECTS OF THE ECOLOGY OF VASCULAR EPIPHYTES IN TWO COLOMBIAN CLOUD FORESTS. II. HABITAT PREFERENCES OF BROMELIACEAE IN THE SERRANIA DE MACUIRA”. Selbyana 5, no. 3/4 (August 1, 1981): 264–273. Accessed April 30, 2024. https://journals.flvc.org/selbyana/article/view/119738.