longroot smartweed
(Polygonum amphibium var. emersum)
Selected Images
Invasive Listing Sources
No reference that we have lists this species as invasive in North America. This species is included for comparison to other species that are considered invasive.
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