Description: English: Persicaria hydropiperoides (Michx.) Small (1903) - False water-pepper. Date: 1989. Source: Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Author: Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Courtesy of USDA NRCS Wetland Science Institute.
Description: Persicaria hydropiperoides (syn. Polygonum hydropiperoides) at Humboldt Bay National Wildlife Refuge Complex, California, USA. Date: Unknown dateUnknown date. Source: http://www.fws.gov/humboldtbay/plantguide/genus-p.html. Author: Gordon Leppig & Andrea J. Pickart. Permission(Reusing this file): public domain - with attribution [1].