McCarren, Samantha, Jeremy Midgley, and Anina Coetzee. “Sending Private Messages: Floral Ultraviolet Signals Are Correlated With Pollination Syndromes in Erica”. Journal of Pollination Ecology 30 (December 22, 2021): 289–298. Accessed May 18, 2024. https://www.pollinationecology.org/index.php/jpe/article/view/648.