]> NEBC barcode-01154246 United States of America Massachusetts Boston Basin Ecoregion: Charles River Watershed. Beaver Brook Reservation, lower part, GPS 42.388N, 71.197W Cardamine pensylvanica Muhlenberg ex Willdenow Muhlenberg ex Willdenow 2016-03-25 16:32:32 W. T. Kittredge