longroot smartweed
Polygonum amphibium var. emersum Michx.

Selected Images


State Regulated List

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org

Invasive Listing Sources

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Caryophyllidae
Order: Polygonales
Family: Polygonaceae
Genus: Polygonum
Subject: Polygonum amphibium var. emersum Michx.

Synonyms and Other Names

Other Common Names:
colored smartweed, devil's shoestring, swamp smartweed, tanweed


Plants - Forbs/Herbs