Cabrillo National Monument

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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.
Thumbnail Picture of Polygonum aviculare ssp. depressum




Detailed Picture 1 of Polygonum aviculare ssp. depressum


Detailed Picture 2 of Polygonum aviculare ssp. depressum


Detailed Picture 3 of Polygonum aviculare ssp. depressum


Detailed Picture 4 of Polygonum aviculare ssp. depressum


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