Cardamine impatiens L.
May 11,
Mount Everett State Reservation, Mount Washington
May 11,
Mount Everett State Reservation, Mount Washington narrowleaf bittercress, bushy rock-cress
Petals white, oblanceolate, 1.5-4(-5) x 0.6-1.2 mm; fruit linear, up
to 3.5 cm.