Polygonum confertiflorum Nuttall ex Piper

Polygonum confertiflorum Nuttall ex Piper is a synonym sensu FNA Ed. Comm., 2005 of:

Polygonum polygaloides subsp. confertiflorum (Nuttall ex Piper) J.C. Hickman, an accepted subspecies name sensu FNA Ed. Comm., 2005.