]> NEBC barcode-01166279 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, Medford Dike, south end of quarry along Quarry Road, Google Earth 42.43382N, 71.10620W Viola palmata Linnaeus Linnaeus 2016-02-02 16:47:20 W. T. Kittredge & B. T. Hamlin