Rumex lacustris Calflora

Taxon Report

Rumex lacustris Greene

Lake dock

2018 Leah Gardner

Rumex lacustris is a perennial herb (aquatic) that is native to California, and also found elsewhere in western North America.


	Plant Range Observation Search ~37 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 in wetlands

Communities: Sagebrush Scrub, Alkali Sink, Yellow Pine Forest, Northern Juniper Woodland, wetland-riparian

Name Status:
Accepted by JEF + POWO

Alternate Names:


JEF	Rumex salicifolius var. lacustris
PLANTS	Rumex salicifolius var. lacustris

Information about Rumex lacustris from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (RUSAL) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	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 /app/up/entry/151/th/45459.jpg?a:! 2018 Leah Gardner:! mu2508:!

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: 05/15/2025).