Sericocarpus is a genus of North American plants in the aster tribe within the sunflower family. Whitetop aster is a common name for the genus. Species 1. \n* Sericocarpus asteroides - United States (MS AL GA FL SC NC TN KY WV VA MD DE NJ PA OH MI NY CT MA RI VT NH ME) 2. \n* Sericocarpus conyzoides United States (NY) 3. \n* Sericocarpus linifolius - United States (LA MS AL GA SC NC TN KY WV VA MD DE NJ PA OH IN MI NY CT MA RI NH) 4. \n* Sericocarpus oregonensis United States (CA OR WA) 5. \n* Sericocarpus rigidus - Canada (BC), United States (WA OR) 6. \n* Sericocarpus tortifolius - United States (LA MS AL GA FL SC NC)formerly included