Ray's knotweed
Ray's knotweed (FNA Ed. Comm., 2005) is an accepted English vernacular name for:
Polygonum oxyspermum subsp. raii (Babington) D.A. Webb & Chater , an accepted subspecies name sensu FNA Ed. Comm., 2005.
Ray's knotweed (FNA Ed. Comm., 2005) is an accepted English vernacular name for:
Polygonum oxyspermum subsp. raii (Babington) D.A. Webb & Chater , an accepted subspecies name sensu FNA Ed. Comm., 2005.