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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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Eriophorum chamissonis

Eriophorum chamissonis C.A. Mey.

Chamisso's Cottongrass

Cyperaceae (Sedge Family)

Synonym(s): Eriophorum chamissonis var. aquatile, Eriophorum russeolum ssp. rufescens

USDA Symbol: ERCH7

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


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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Inflorescence: Spikelet
Size Class: 0-1 ft. , 1-3 ft.

Bloom Information

Bloom Color: Not Applicable
Bloom Time: Jun , Jul , Aug
Bloom Notes: Perianth absent. Bloom time denotes fruiting period for Eriophorum spp.


USA: AK , ID , MN , MT , ND , OR , WA , WI , WY
Canada: NB , NS , PE
Native Habitat: Bog/Fen,Fresh Water Aquatic

Growing Conditions

Light Requirement: Sun
Soil Moisture: Wet

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.

Additional resources

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


Record Modified: 2007-01-01
Research By: TWC Staff

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