Potamogeton epihydrus Calflora

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Taxon Report

Potamogeton epihydrus Raf.

Ribbonleaf pondweed

2020 Maisie Borg

Potamogeton epihydrus is a perennial herb (rhizomatous) that is native to California, and also found elsewhere in North America and beyond.

also called Potamogeton epihydrus ssp. nuttallii

California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).


	Plant Range Observation Search ~81 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Potamogeton
Family:	Potamogetonaceae
Category:	angiosperm
PLANTS group:	Monocot
Jepson eFlora section: monocot

Wetlands: Occurs in wetlands

Habitat: freshwater-marsh

Communities: Freshwater Wetlands, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:


JEF + CNPS + PLANTS	Potamogeton epihydrus ssp. nuttallii
PLANTS	Potamogeton epihydrus var. nuttallii
PLANTS	Potamogeton epihydrus var. ramosus

Information about Potamogeton epihydrus from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (POEP2) 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 CNPS Inventory: 2B.2 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
[Wikipedia] Taxonomy: Potamogeton epihydrus (meaning 'on the water surface') was described by Rafinesque in 1808,[1] one of the earlier North American species to be named. (link added by Mary Ann Machi) 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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 11/21/2024).