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Taxon  Report  
Sparganium natans  L.
Small bur reed
Sparganium natans is a perennial herb (rhizomatous) that is native to California, and also found elsewhere in North America and beyond.
also called Sparganium minimum
California Rare Plant Rank: 4.3 (limited distribution).
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
Observation Search
~84 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Sparganium
Family: Typhaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Wetlands: Occurs in wetlands

Habitat: lake-margins, edges

Communities: Freshwater Wetlands, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + CNPS + PLANTSSparganium minimum
PLANTSSparganium natans var. minimum
Information about  Sparganium natans from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[pnwflowers.com] Habitat, Description: Plant rooted in sediment. Leaves dark green, long, narrow, limp, with ends often floating across water surface. Flowers above water on stem, 2 - 3 female flower heads, each about 1/3 in. across when mature, topped by 1 male round flower head. Female flowers bur like in fruit. Grows in shallow water to 2 ft. deep in ponds and lakes at low to high elevations. Other common bur reeds are S. emersum, with single male flower head separated from others, and S. eurycarpum, with stiff leaves and flower stems arising from water. (link added by Mary Ann Machi)

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: 07/23/2024).