Persicaria weyrichii (F. Schmidt) H. Gross in Bot. Jahrb. Syst. 49: 320. 1913
Persicaria weyrichii in Bot. Jahrb. Syst. 49: 320. 1913
is new combination for Polygonum weyrichii in Maximowicz, Prim. Fl. Amur.: 234. 1859
Persicaria weyrichii in Bot. Jahrb. Syst. 49: 320. 1913