Attributes / relations provided by
♦ ¹Effectiveness of Dispersal of an Ornithocorous Cactus Myrtillocactus geometrizans (Cactaceae) in a Patchy Environment, Mónica G. Pérez-Villafaña and Alfonso Valiente-Banuet, The Open Biology Journal, 2009, 2, 101-113
♦ ²Hummingbirds and the plants they visit in the Tehuacán-Cuicatlán Biosphere Reserve, Mexico, Raúl Ortiz-Pulido, S. Anaid Díaz, Oscar I. Valle-Díaz and Ana D. Fisher, Revista Mexicana de Biodiversidad 83: 152-163, 2012
♦ ³THE ROLE OF SEED DISPERSERS IN THE POPULATION DYNAMICS OF THE COLUMNAR CACTUS NEOBUXBAUMIA TETETZO, HÉCTOR GODÍNEZ-ALVAREZ, ALFONSO VALIENTE-BANUET, AND ALBERTO ROJAS-MARTÍNEZ, Ecology, 83(9), 2002, pp. 2617-2629