Pattrick, Jonathan G, Jennifer Scott, and Geraldine A Wright. “The Concentration and Energetic Content of Floral Nectar Sugars: Calculation, Conversions, and Common Confusions”. Journal of Pollination Ecology 38 (June 18, 2025): 161–170. Accessed April 28, 2026. https://pollinationecology.org/index.php/jpe/article/view/821.