]> NEBC barcode-01154884 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, south shore of island on west side of Quarter Mile Pond, GPS 42 26.749'N, 71 5.738'W Hypericum boreale (Britton) E. P. Bicknell (Britton) E. P. Bicknell 2016-10-12 16:17:53 B. T. Hamlin