Potamogeton illinoensis Calflora

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Taxon Report

Potamogeton illinoensis Morong

Illinois pondweed, Pondweed, Shining pondweed

2014 Robert L. Carr

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


	Plant Range Observation Search ~96 records in California Plant Characteristics

Bloom Period

Photos on Calflora


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

Wetlands: Occurs in wetlands

Communities: wetland-riparian

Name Status:
Accepted by JEF + PLANTS + POWO

Alternate Names:


PLANTS	Potamogeton angustifolius
PLANTS	Potamogeton heterophyllus
PLANTS	Potamogeton lucens

Information about Potamogeton illinoensis from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (POIL) 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
[Wikipedia] Noxious Weed Status: It is generally not weedy in its native range, but it is a troublesome noxious weed in Viedma, Río Negro, Argentina, where it is an introduced species. (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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 07/13/2025).