Persicaria hydropiperoides (Michx.) Small [ Polygonum hydropiperoides Michx.]
      
no HD illustration available (m3)
Polygonum hydropiperoides test 8 Michx. Polygonaceae
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 416 (1972) [M. Barnas-Pomeroy]