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Thumbnail Picture of Common Knotweed

Common Knotweed *

Polygonum aviculare ssp. depressum

TJM1: Polygonum arenastrum.

Family: Polygonaceae (BUCKWHEAT).
Other common names: doorweed, oval-leaf knotweed, dooryard knotweed.
Generic common name: KNOTWEED, SMARTWEED.

Photographs from SMMNRA: disturbed shoulder margin and pavement cracks, Mar 2005.

Characteristics: non-Native, White, Green, Small, Solitary, Simple, Herbaceous, Annual, Early Spring, Late Spring, Summer.


Detailed Picture 1 of Common Knotweed


Detailed Picture 2 of Common Knotweed


Detailed Picture 3 of Common Knotweed


Detailed Picture 4 of Common Knotweed

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