Calflora Taxon Report
Rumex obtusifolius  L.
Bitter dock
Rumex obtusifolius is a perennial herb that is not native to California.
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: Rumex
Family: Polygonaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Toxicity: Possible skin irritation from touching the leaf of this plant.
Do not eat the leaf of this plant.

Wetlands: Equally likely to occur in wetlands and non wetlands

Habitat: disturbed

Communities: wetland-riparian, weed, characteristic of disturbed places

Name Status:
Accepted by JEF + PLANTS + POWO
Alternate Names:
PLANTSAcetosa oblongifolia
JEF + PLANTSRumex obtusifolius ssp. agrestis
PLANTSRumex obtusifolius ssp. sylvestris
PLANTSRumex obtusifolius var. sylvestris
Information about Rumex obtusifolius from other sources
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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