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.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Persicaria maculosa
© 2008 Keir Morse
Genus: Persicaria
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed
Wetlands: Occurs usually in wetlands, occasionally in non wetlands
Distribution by County 

Add an Observation of  Persicaria maculosa

Name Status:
Accepted by TJM2
PLANTS accepted name: Polygonum persicaria
Alternate Names:
(according to)

TJM2: Polygonum persicaria
More information about  Persicaria maculosa
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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Mar 22, 2018).

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