Taxon  Report   11034 
Polygonum aviculare  L.  ssp. depressum  (Meisn.) Arcangeli
Prostrate knotweed
Polygonum aviculare ssp. depressum
© 2011 Jorg & Mimi Fleige
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Polygonum aviculare ssp. depressum
© 2008 Neal Kramer
Polygonum aviculare ssp. depressum
© 2009 Barry Breckling
Polygonum aviculare ssp. depressum, 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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Bloom Period
Polygonum aviculare ssp. depressum
© 2009 Barry Breckling
Family: POLYGONACEAE  
Genus: Polygonum
Parent Record Polygonum aviculare
Communities:
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.]
Distribution by County 

Add an Observation of  Polygonum aviculare ssp. depressum

Name Status:
Accepted by TJM2
Alternate Names:
(according to)

TJM2: Polygonum arenastrum
More information about  Polygonum aviculare ssp. depressum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Search efloras.org (Flora of North America)

website references from Google


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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Jul 28, 2016).

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