Oval Leaf Knotweed

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Polygonum arenastrum

Oval Leaf Knotweed, a reference photo
Photo: Gordon Leppig & Andrea J. Pickart · Public domain

Polygonum arenastrum, commonly known as equal-leaved knotgrass, is a summer annual flowering plant in the knotweed family Polygonaceae. Other common names include common knotweed, prostrate knotweed, mat grass, oval-leaf knotweed, stone grass, wiregrass, and door weed, as well as many others. It is native to Eurasia and can be found on other continents as an introduced species and a common noxious weed. Knotweed was first seen in North America in 1809 and is now seen across much of the United States and Canada.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Oval Leaf Knotweed being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Caryophyllales
Family
Polygonaceae
Species
Polygonum arenastrum

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