]> NEBC barcode-00549227 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, near Malden city line, 80 m. north of southeast corner of Covered Reservoir, near east fence, GPS 42 26.659’N, 71 5.055’W Crataegus crus-galli Linnaeus Linnaeus 2015-04-17 08:56:11 B. T. Hamlin