Polygonum aviculare or common knotgrass is a plant related to buckwheat and dock. It is also called prostrate knotweed, birdweed, pigweed and lowgrass. It is an annual found in fields and wasteland, with white flowers from June to October. It is widespread across many countries in temperate regions, apparently native to Eurasia, naturalized in temperate parts of the Southern Hemisphere.
From Wikipedia, under CC BY-SA 4.0.
Is it poisonous?
We have no record of Small's 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
- Polygonum arenastrum
- Polygonum aviculare
- Polygonum raii
- Polygonum achoreum
- Polygonum ramosissimum
- Polygonum plebeium
Classification
- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Class
- Magnoliopsida
- Order
- Caryophyllales
- Family
- Polygonaceae
- Genus
- Polygonum
- Species
- Polygonum buxiforme
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