NPSpecies

Data Source: NatureServe. 2007. Inventory of the vascular plants of Big South Fork National River and Recreation Area. Draft report submitted to the National Park Service, Appalachian Highlands I&M Network, Asheville, NC. Legacy NPSpecies information may no longer be applicable, please remove if it is not applicable. In legacy NPSpecies Weedy value was Yes In legacy NPSpecies Pest value was Yes with comment: TNEPPC RANK=SEVERE THREAT; I-Rank+High; Polygunum cuspidatum is an extremely competitive and aggressive invader of significant riparian and wetland habitats, as well as lower-quality sites. Infestations can replace native species and degrade aquatic habitat. Once established, control can be labor-intensive.