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Plant Database

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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Eleocharis mamillata

Eleocharis mamillata (Lindb. f.) Lindb. f.

Mamillate Spike-rush, Soft-stem Spikerush

Cyperaceae (Sedge family)

Synonym(s): Scirpus mamillata

USDA Symbol: ELMA15

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

 

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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Fruit Type: Achene
Size Notes: Up to about 20 inches tall.
Fruit: Achenes yellow, maturing to straw-colored.

Bloom Information

Bloom Color: Green , Brown
Bloom Time: Jun , Jul , Aug
Bloom Notes: Perianth of 4-8 bristles. Bloom color refers to spikelets. Bloom time refers to fruiting period.

Distribution

USA: AK , MN , WA
Canada: AB , BC , NT , ON , QC , SK , YT
Native Habitat: Fresh lakeshores, shallow ponds, streams, floating mats, bogs, fens, ditches.

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: OBL OBL
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 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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

Metadata

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

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