Common Knotgrass

Polygonum aviculare

Summary 6

Polygonum aviculare or common knotgrass is a plant related to buckwheat and dock. It is also called birdweed, pigweed and lowgrass. It is an annual found in fields and wasteland, with white flowers from June to October.

Sources and Credits

  1. (c) Andreas Rockstein, some rights reserved (CC BY-SA), https://www.flickr.com/photos/74738817@N07/27548775062/
  2. (c) Bob Heitzman, some rights reserved (CC BY-NC), uploaded by Bob Heitzman
  3. (c) Matt Lavin, some rights reserved (CC BY-SA), http://www.flickr.com/photos/35478170@N08/5143716061
  4. (c) Matt Lavin, some rights reserved (CC BY-SA), https://www.flickr.com/photos/plant_diversity/4972495230/
  5. (c) Sara Rall, some rights reserved (CC BY-NC), uploaded by Sara Rall
  6. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Polygonum_aviculare

More Info

iNat Map

Status non-native
Habit weedy
Form herbaceous
Leaf type simple
Arrangement alternate
Color pink/red, white