]> NEBC barcode-00872898 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, northwest end of field on Middle Road, GPS 42.4378N, 71.1133W Crataegus macracantha Loddiges ex Loudon Loddiges ex Loudon 2017-06-02 16:36:40 W. T. Kittredge