]> NEBC barcode-01166918 United States of America Massachusetts Boston Basin Ecoregion: Charles River Watershed, Beaver Brook Reservation, upper part, west side of Beaver Brook below Duck Pond dam, east of barn, GPS 42.391°N, 71.197°W Trillium cernuum Linnaeus Linnaeus 2016-03-02 18:11:19 W. T. Kittredge