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
♦ 3Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009
♦ 4Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.