Gratiola officinalis subsp. broteri Nyman, Consp. Fl. Eur.: 536. 1881 Gratiola officinalis subsp. broteri Nyman, Consp. Fl. Eur.: 536. 1881Taxon for this nameGratiola officinalis subsp. broteri Nyman, Consp. Fl. Eur.: 536. 1881