Calflora Taxon Report
Polygonum pensylvanicum  L.

(not an active name)
Pennsylvania smartweed,   Pinkweed
Polygonum pensylvanicum is an annual herb that is not native to California.
also called Persicaria pensylvanica
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Genus: Polygonum
Family: Polygonaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Communities: wetland-riparian
Name Status:
Accepted by PLANTS
Alternate Names:
PLANTSPersicaria bicornis
PLANTSPersicaria longistyla
PLANTSPersicaria mississippiensis
PLANTSPersicaria pensylvanica var. dura
PLANTSPersicaria pensylvanica
More …
Information about Polygonum pensylvanicum from other sources

USDA PLANTS Profile (POPE2)

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Photos on iNaturalist

Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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