Iler, Amy Marie, and Karen Goodell. “Relative Floral Density of an Invasive Plant Affects Pollinator Foraging Behaviour on a Native Plant”. Journal of Pollination Ecology 13 (May 20, 2014): 174–183. Accessed January 26, 2022. https://pollinationecology.org/index.php/jpe/article/view/283.