Watson's knotweed
Watson's knotweed (Harms, 2006) is a synonym English vernacular name for:
Polygonum polygaloides subsp. confertiflorum (Nuttall ex Piper) J.C. Hickman , an accepted subspecies name sensu FNA Ed. Comm., 2005.
Watson's knotweed (Harms, 2006) is a synonym English vernacular name for:
Polygonum polygaloides subsp. confertiflorum (Nuttall ex Piper) J.C. Hickman , an accepted subspecies name sensu FNA Ed. Comm., 2005.