Doellingeria umbellata (P.Mill.) Nees var. umbellata
September 24,
Blue Hills Reservation, Milton
September 24,
Blue Hills Reservation, Milton tall flat-topped white aster
Glabrous sessile leaves tapering to both ends; stem unbranched.
Fowl Meadow, Neponset R., Blue Hills Res., Photo credit Luba Batuner