Taxon  Report   6757 
Polygonum marinense  T. Mert. & Raven
Marin knotweed
Polygonum marinense
© 2001 Doreen L. Smith
Click on a photo to see it bigger.
Polygonum marinense
© 2014 John Doyen
Polygonum marinense
© 2014 John Doyen
Polygonum marinense, a dicot, is an annual herb that is native to California and is endemic (limited) to California.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 3.1 (review list).   7th Edition  /  8th Edition

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Polygonum marinense
© 2013 Robert Sikora
Genus: Polygonum
Coastal Salt Marsh, wetland-riparian
Habitat: salt-marsh, coastal [CNPS Inventory]
Wetlands:Occurs almost always under natural conditions in wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

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Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
More information about  Polygonum marinense
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

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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:   (Accessed: Oct 24, 2016).

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