Polygonum raii subsp. norvegicum Sam. in Acta Horti Berg. 11: 72. 1931
Polygonum raii subsp. norvegicum in Acta Horti Berg. 11: 72. 1931
is basionym for Polygonum norvegicum, Norsk Fl.: 188. 1944
has orthographic variant Polygonum raji subsp. norvegicum
Polygonum raii subsp. norvegicum in Acta Horti Berg. 11: 72. 1931