Cárdenas-Calle, S., Cardenas, J. D., Landázuri, B. O., Mogrovejo, G., Crespo, A. M., Breitbach, N., Schleuning, M. and Tinoco, B. A. (2021) “Pollinator effectiveness in the mixed-pollination system of a Neotropical Proteaceae, Oreocallis grandiflora”, Journal of Pollination Ecology, 26. doi: 10.26786/1920-7603(2020)601.