]> NEBC barcode-00564757 United States of America Massachusetts Boxborough, Valley of the Assabet River, Guggins Brook Cerastium fontanum subsp. vulgare (Hartman) Greuter & Burdet (Hartman) Greuter & Burdet 2020-11-16 18:21:43 F. T. Hubbard & G. S. Torrey