Calflora Taxon Report
Polygonum hydropiperoides  Michx.

(not an active name)

Swamp smartweed, Water pepper
photo on CalPhotos
2008 Keir Morse
photo on CalPhotos
2005 George W. Hartwell
Polygonum hydropiperoides is a perennial herb that is native to California, and also found elsewhere in North America and beyond.
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
Genus: Polygonum
Family: Polygonaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot
Communities: wetland-riparian, many plant communities
Name Status:
Accepted by PLANTS
Alternate Names:
PLANTSPersicaria hydropiperoides var. breviciliata
PLANTSPersicaria hydropiperoides var. euronotora
PLANTSPersicaria hydropiperoides var. opelousana
PLANTSPersicaria hydropiperoides
PLANTSPersicaria opelousana
More …
External links:
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

Accessed: