Jogesh, Tania, Arthur Zangerl, Margaret Stanley, and May Berenbaum. “Implications of Enemy Escape on Chemically Mediated Interactions With Mutualists: Wild Parsnip Pollination in Two Hemispheres”. Journal of Pollination Ecology 11 (February 6, 2014): 57–67. Accessed April 30, 2024. https://www.pollinationecology.org/index.php/jpe/article/view/225.