Polygonum sibiricum Laxm. [ Polygonum pamiricum Korsh.]
no HD illustration available (m1)
Polygonum sibiricum Laxm. [Polygonaceae]
V.L. Komarov (Komorov), Fl. URSS, vol. 5 : p. 667, t. 46, fig. 8 (1934-1964)