Reynoutria Reynoutria Houtt., Nat. Hist. 2(8): 639. 1777 sec. Brandbyge 19931Type: Reynoutria japonica Houtt.1. Brandbyge, J. 1993: Polygonaceae, 531 – 544. – In: Kubitzki, K., Rohwer, J.G. & Bittrich, V. (ed.), The Families and Genera of Vascular Plants 2. – Berlin, Heidelberg & New York: Springer=Polygonum sect. Tiniaria Meisn., Monogr. Polyg. 43, 62. 1826 syn. sec. ???2≡Tiniaria (Meisn.) Rchb., Handb. Nat. Pfl.-Syst. 236. 1837.: 236. 1837 syn. sec. WFO 201832. , 3. WFO 2018Content