6,321 Nurul Jannah Abdullah 2019-11-26 https://www.fs.fed.us/wildflowers/plant-of-the-week/chlorogalum_pomeridianum.shtml USDA U.S Forest Service. (nd). Soap Plant (Chlorogalum pomeridianum (DC.) Kunth). Retrieved from https://www.fs.fed.us/wildflowers/plant-of-the-week/chlorogalum_pomeridianum.shtml