Taxon  Report   11011 
Persicaria maculosa  Gray
Spotted ladysthumb
Persicaria maculosa
© 2008 Louis-M. Landry
Click on a photo to see it bigger.
Persicaria maculosa
© 2008 Keir Morse
Persicaria maculosa
© 2007 Neal Kramer
Persicaria maculosa, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

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Observation Hotline
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Plant Characteristics
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Bloom Period
Persicaria maculosa
© 2008 Keir Morse
Genus: Persicaria
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed [Walker]
Wetlands:Usually occurs in wetlands, but occasionally found in non wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

Add an Observation of  Persicaria maculosa

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

TJM2: Polygonum persicaria
More information about  Persicaria maculosa
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


Search (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:   (Accessed: Oct 23, 2016).

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