Ollerton, Jeff, André Rodrigo Rech, Nickolas M. Waser, and Mary V. Price. “Using the Literature to Test Pollination Syndromes — Some Methodological Cautions”. Journal of Pollination Ecology 16 (August 8, 2015): 119–125. Accessed April 19, 2024. https://pollinationecology.org/index.php/jpe/article/view/339.