Browse Plants by Taxonomic Classification

List of taxa for Polygonum

Click on the scientific name for a given species to perform a plant search

Scientific Name (click link for Plant details)	Common Name	Herbarium Specimen Search (Click link to view specimen details, if available)
Polygonum aviculare ssp. aviculare	Yard Knotweed; Prostrate Knotweed; Common Knotweed	View Specimen Details
Polygonum aviculare ssp. depressum	Oval Leaf Knotweed; Devil's Shoestrings; Equal Leaf Knot Grass	View Specimen Details
Polygonum aviculare ssp. neglectum	Narrowleaf Knotweed; Needle Leaf Knotweed	View Specimen Details
Polygonum erectum	Erect Knotweed	View Specimen Details
Polygonum glaucum	Seaside Knotweed; Seabeach Knotweed	View Specimen Details
Polygonum patulum	Bellard's Smartweed; Red Knot Grass; Tree Hogweed
Polygonum ramosissimum	Tall Knotweed; Yellow Flower Knotweed
Polygonum tenue	Pleat Leaf Knotweed; Glade Knotweed; Slender Knotweed	View Specimen Details

For more information, contact: Brian R. Keener, Ph.D.

Data last modified: 9/19/2025

Citation Information:

Keener, B.R., A.R. Diamond, T.W. Barger, L.J. Davenport, P.G. Davison, S.L. Ginzbarg, C.J. Hansen, D.D. Spaulding, J.K. Triplett, and M. Woods. 2025. Alabama Plant Atlas. [S.M. Landry and K.N. Campbell (original application development), Florida Center for Community Design and Research. University of South Florida]. University of West Alabama, Livingston, Alabama.