Vascular Plant Herbarium

Vascular Plant Database Common Name Results

Click on the species name to see the species distribution map and photo image.

Common Name: water knotweed
Family Name: Polygonaceae

• Persicaria amphibia (L.) A. Gray
  NWI R2 TN: Obligate Wetland
  Common Name: water knotweed
  Synonyms:
  

         • Polygonum coccineum Muhl. ex Willd.

         • Polygonum amphibium L.

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*Non-native taxon known to be naturalized in Tennessee

All names & statuses follow the Guide to the Vascular Plants of Tennessee (2015).
Click here for a description of rare, threatened, or endangered (RTE) status & National Wetland Indicator (NWI) status.

If you have any questions or comments, please contact Dr. Jessica M. Budke or Margaret Oliver.