Prostrate Knotweed

Polygonum aviculare

Buckwheat family (Polygonaceae) 5

Summary 6

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.

Learn more 5

Fire Effects Information, U.S. Forest Service.
CABI Compendium.

Sources and Credits

  1. (c) Dalgial, some rights reserved (CC BY), uploaded by Dalgial, https://commons.wikimedia.org/wiki/File:Polygonum_aviculare_3.JPG
  2. (c) Gino Brignoli, some rights reserved (CC BY), uploaded by Gino Brignoli, https://www.inaturalist.org/observations/178380056
  3. (c) Aleksandr_Levon, some rights reserved (CC BY), uploaded by Aleksandr_Levon, https://www.inaturalist.org/observations/179016496
  4. (c) petr_kosachev, some rights reserved (CC BY), uploaded by petr_kosachev, https://www.inaturalist.org/observations/178719418
  5. (c) Isaac Winkler, some rights reserved (CC BY-SA)
  6. Adapted by Isaac Winkler from a work by (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Polygonum_aviculare

More Info

iNat Map

Flower hue green/inconspicuous
Plant family Other