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♦ ¹Community studies in pollination ecology in the high temperate Andes of Central Chile. I. Pollination mechanisms and altitudinal variation., Arroyo, M. T. K., R. B. Primack, and J. J. Armesto. 1982. American Journal of Botany 69:82-97
♦ ²Jorrit 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.