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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

SPECIES

  • Persicaria amphibia (L.) A. Gray
    NWI R2 TN: Obligate Wetland
    Common Name: water knotweed
    Synonyms:
             • Polygonum coccineum Muhl. ex Willd.
             • Polygonum amphibium L.

*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.

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