Taxon  Report   11034    
Polygonum aviculare  L.  ssp. depressum  (Meisn.) Arcang.
Prostrate knotweed
Polygonum aviculare ssp. depressum, a dicot, is an annual or perennial herb that is not native to California; it has been naturalized in the wild.

Bloom Period
Genus: Polygonum
Parent: Polygonum aviculare
Wetlands: Equally likely to occur in wetlands and non wetlands

Habitat: disturbed

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

Name Status:
Accepted by ICPN

Alternate Names:
ICPN: Polygonum arenastrum
More information about  Polygonum aviculare ssp. depressum
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

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Consortium of California Herbaria

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 15, 2019).