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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
Fruit Type: Achene
Size Notes: Up to about 32 inches tall.

Bloom Information

Bloom Color: White , Brown
Bloom Time: Jun , Jul , Aug
Bloom Notes: Perianth absent. Bloom time denotes fruiting period for Eriophorum spp.

Distribution

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

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:		OBL	OBL			OBL		OBL	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 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 65 - Montana Field Guides - Plants (2020) State of Montana
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

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

Metadata

Record Modified: 2023-02-08
Research By: TWC Staff

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