Hoyo, Y., K. Fujiwara, and Y. Hoshino. 2014. “Effects of Different Wavelengths of LED Light on Pollen Germination and Direction of Pollen Tube Elongation in Cyrtanthus Mackenii”. Advances in Horticultural Science 28 (4):190-94. https://doi.org/10.36253/ahsc-18442.