Most of the world's largest flowers (genus Rafflesia) are now on the brink of extinction by Malabrigo Jr, P, Tobias, AB, Witono, J, Mursidawati, S, Susatya, A, Siti-Munirah, MY, Wicaksono, A, Raihandhany, R, Edwards, S, Thorogood, CJ