Rumex occidentalis Calflora

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Taxon Report

Rumex occidentalis S. Watson

Western dock

Rumex occidentalis is a perennial herb that is native to California, and also found elsewhere in North America and beyond.


	Plant Range Observation Search ~161 records in California Plant Characteristics

Bloom Period

Photos on Calflora


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: Occurs usually in wetlands, occasionally in non wetlands

Communities: wetland-riparian

Name Status:
Accepted by JEF + POWO

Alternate Names:


OTHER	Rumex aquaticus var. fenestratus
JEF	Rumex fenestratus
PLANTS	Rumex aquaticus var. fenestratus

Information about Rumex occidentalis from other sources


Nursery availability from CNPLX This plant is available commercially. Jepson eFlora USDA PLANTS Profile (RUAQF) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 03/29/2025).