Toothed White-topped Aster (Sericocarpus asteroides). Asteraceae. July 22, 2020 1500 × 1200 Toothed White-topped Aster (Sericocarpus asteroides). Asteraceae. Native. Thin forests,, open bluffs. Throughout. Montauk, July 2020. Native. Thin forests,, open bluffs. Montauk, New York, July 2020.