- Jayasinghe, H. (2025). Cheilocostus speciosus (J.Koenig) C.D.Specht In Jayasinghe, H., S. Rajapakshe & C. de Alwis (eds.). The story of Sri Lankan Butterflies, v. 2.0. Butterfly Conservation Society of Sri Lanka. http://slbutterflies.lk/explore/foodplant/Cheilocostus%20speciosus#plant
