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Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Isolepis cernua

Isolepis cernua (Vahl) Roem. & Schult.

Low Bulrush, Low Lateral-bulrush

Cyperaceae (Sedge family)

Synonym(s): Scirpus cernuus, Scirpus cernuus ssp. californicus, Scirpus cernuus var. californicus


USDA Native Status: L48 (N), AK (N), CAN (N)


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Plant Characteristics

Duration: Annual
Habit: Grass/Grass-like
Fruit Type: Achene
Size Notes: Up to about 16 inches tall.
Fruit: Achenes medium to dark brown or straw-colored.

Bloom Information

Bloom Color: Red , Green , Brown
Bloom Time: Jan , Feb , Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov , Dec
Bloom Notes: Perianth absent. Bloom color refers to spikelets. Bloom time refers to fruiting period, late spring–winter on Pacific Coast, winter–spring in Texas.


USA: AK , CA , OR , TX , WA
Canada: BC
Native Habitat: Wet, freshwater to brackish places on beaches, dunes, marine bluffs, sandy areas, mostly coastal.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Isolepis cernua in USDA Plants
FNA: Find Isolepis cernua in the Flora of North America (if available)
Google: Search Google for Isolepis cernua


Record Modified: 2020-10-30
Research By: CBR

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