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Small Spikerush
Eleocharis parvula

About Small Spikerush (Eleocharis parvula) Eleocharis parvula is a species of spikesedge known by the common names dwarf spikerush and small spikerush. It is has a circumboreal distribution, growing throughout Eurasia and North America, into Central America. It is a plant of brackish and saltwater habitat, such as marshes and mudflats. It is a perennial herb growing tufts of spongy, compressible stems not more than 10 centimeters tall. The plant grows from a tuber which is J-shaped or horseshoe-shaped, a characteristic that helps in the identification of the species. The flower cluster is an oval-shaped spikelet just 2 or 3 millimeters long, made up of several tiny flowers.
Plant Description
Plant Type

Max. Height
0.3 - 1.2 ft (0.09 - 0.37 m)


Growth Rate

Flower Color

Flowering Season

Native Status
Natural Setting
Site Type
Wet, saline flats, marshes


Elevation ?
-3' - 6787'

Annual Precip. ?
11.6" - 57.8"

Summer Precip. ?
0.20" - 1.96"

Coldest Month ?
33.5° F - 55.2° F

Hottest Month ?
57.6° F - 75.5° F

Humidity ?
0.38 vpd - 24.52 vpd

Soil Description
Adaptable, tolerant of sand, loam and clay


Landscaping Information
Common uses
Bird Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Dwarf Spikerush, Dwarf Spikesedge, Little-head Spike-rush, Little-head Spikerush

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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