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  • Prostrate Knotweed, 1 of 6
    Photo 1 of 6

    (c) Dalgial, some rights reserved (CC BY-SA)

  • Prostrate Knotweed, 2 of 6
    Photo 2 of 6

    (c) Misha Zitser, all rights reserved

  • Prostrate Knotweed, 3 of 6
    Photo 3 of 6

    (c) John D Reynolds, some rights reserved (CC BY-NC)

  • Prostrate Knotweed, 4 of 6
    Photo 4 of 6

    (c) Zoom, some rights reserved (CC BY-NC)

  • Prostrate Knotweed, 5 of 6
    Photo 5 of 6

    (c) Sarah Johnson, some rights reserved (CC BY)

  • Prostrate Knotweed, 6 of 6
    Photo 6 of 6

    (c) James Kamstra, all rights reserved

1 of 6 photos

Prostrate Knotweed

Polygonum aviculare

Worldwide
42,544 observations
Group
Plants
iNaturalist Wikipedia

About

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 and North America, naturalized in temperate parts of the Southern Hemisphere.

Summary from Wikipedia, CC BY-SA 4.0.

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