Polygonum aviculare or Common Knotgrass is a plant related to buckwheat and dock. It is also called birdweed, pigweed and lowgrass. In Vietnam, it is called rau đắng.
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Species Polygonum aviculare L. Synonyms Polygonum heterophyllum Lindm., Polygonum monspeliense Pers., Polygonum rurivagum Jord. ex Boreau Photos
Polygonum aviculare or Common Knotgrass is a plant related to buckwheat and dock. It is also called birdweed, pigweed and lowgrass. In Vietnam, it is called rau đắng. It is an annual found in fields and wasteland, with white flowers from June to ...