Taxon  Report   6737 
Polygonum arenastrum  Boreau   (not an active name; please see Polygonum aviculare ssp. depressum)
Dooryard Knotweed,  common knotweed, oval leaf knotweed
Polygonum arenastrum, a dicot, is an annual or perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

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 Plant Characteristics
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Polygonum arenastrum
© 2011 Jorg & Mimi Fleige
Polygonum arenastrum
© 1995 Saint Mary's College of California
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed [Walker]
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Genus: Polygonum
Add an Observation of  Polygonum arenastrum
Name Status:
Accepted by PLANTS + JM93
TJM2: accepted name: Polygonum aviculare ssp. depressum
 NOTE: Polygonum arenastrum is not an active name in the Calflora species table.
 Information about  Polygonum arenastrum  from other sources:

Photos on CalPhotos / Google Images

website references on Google

UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)

Original Publication citation. on the International Plants Names Index

Search (Flora of North America)

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Mar 30, 2015).

The information on this page comes from diverse sources. None of the links are sponsored.

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