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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.

Location: Circle X Ranch: Yerba Buena Road shoulder, disturbed shoulder margin and pavement cracks, March 2005.

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


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