Calflora
Taxon  Report   11011    
Persicaria maculosa  Gray
Spotted ladysthumb
Persicaria maculosa
© 2008 Louis-M. Landry
Photos from
CalPhotos / Calflora
Persicaria maculosa
© 2007 Neal Kramer
Persicaria maculosa
© 2008 Keir Morse
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
Family: POLYGONACEAE  
Genus: Persicaria
Communities: weed, characteristic of disturbed places, wetland-riparian

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: disturbed

Name Status:
Accepted by JEF

PLANTS accepted name:
Polygonum persicaria

Alternate Names:
ICPN: Polygonum persicaria
ICPN: Polygonum fusiforme
More information about  Persicaria maculosa
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (POPE3)

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: https://www.calflora.org/   (Accessed: Nov 13, 2018).

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