]> NEBC barcode-00549385 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, entranceway of gate 21 off of Fallon Road, GPS 42 28’6”N, 71 6’27”W Centaurea stoebe subsp. micranthos (Gugler) Hayek (Gugler) Hayek 2015-06-01 09:04:17 B. T. Hamlin