Polygonum erectum subsp. achoreum (S.F. Blake) Á. Löve & D. Löve
Polygonum erectum subsp. achoreum (S.F. Blake) Á. Löve & D. Löve is a synonym sensu FNA Ed. Comm., 2005 of:
Polygonum achoreum S.F. Blake, an accepted species name sensu FNA Ed. Comm., 2005.