Taxon  Report   6737    
Polygonum arenastrum  Boreau  
(no longer an active name)
Common knotweed,  Dooryard knotweed, Oval leaf knotweed
Polygonum arenastrum, a dicot, is an annual or perennial herb that is not native to California; it has been naturalized in the wild.
Genus: Polygonum
Habitat: disturbed

Communities: weed, characteristic of disturbed places, wetland-riparian

Name Status:
Accepted by PLANTS

ICPN other name:
Polygonum aviculare ssp. depressum

Alternate Names:
PLANTS: Polygonum aequale
PLANTS: Polygonum aviculare var. arenastrum
PLANTS: Polygonum montereyense
. . .
NOTE: Polygonum arenastrum is no longer an active name.
More information about  Polygonum arenastrum
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Dec 12, 2019).