Reynoutria polystachya (Wallich ex Meisner) Moldenke
Reynoutria polystachya (Wallich ex Meisner) Moldenke is a synonym sensu FNA Ed. Comm., 2005 of:
Koenigia polystachya (Wallich ex Meisner) T.M. Schuster & Reveal, an accepted species name sensu Schuster et al., 2015.