1.
Takahashi K, Itino T. Visitation frequencies of bumblebees and swallowtail butterflies to flowers and the nectar sugar concentration of Rhododendron kaempferi and R. japonicum in mountains of central Japan. J Poll Ecol [Internet]. 2017 Dec. 20 [cited 2024 Nov. 21];21. Available from: https://pollinationecology.org/index.php/jpe/article/view/438