Clustered Mountain-mint (Pycanthemum muticum). Lamiaceae. September 21, 2019 1500 × 1200 NY Wildflowers Gallery Native. THREATENED. Meadows, fields, cliffs, ledges. Montauk, Aug 2019. Native. THREATENED. Meadows, fields, cliffs, ledges. Montauk, Long Island, August 2019.