Native Plants

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Carex retrorsa

Carex retrorsa Schwein.

Knotsheath Sedge

Cyperaceae (Sedge Family)

Synonym(s):

USDA Symbol: CARE4

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

From the Image Gallery

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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
Leaf Pubescence: Glabrous
Breeding System: Flowers Unisexual , Monoecious
Inflorescence: Spike
Flower:
Fruit:
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Not Applicable
Bloom Time: Jun , Jul , Aug
Bloom Notes: Perianth absent. Bloom time refers to fruiting period for Carex spp.

Distribution

USA: CO , CT , IA , ID , IL , IN , MA , MD , ME , MI , MN , MT , ND , NH , NJ , NV , NY , OH , OR , PA , RI , SD , UT , VT , WA , WI , WY
Canada: MB , NB , NS , NT , ON , PE , QC
Native Habitat: Woodland,Swamp/Marsh

Growing Conditions

Light Requirement: Part Shade , Shade
Soil Moisture: Moist , Wet

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:			OBL		FACW	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.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

North American Native Plant Society - Etobicoke, ON
Native Seed Network - Corvallis, OR

Additional resources

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

Metadata

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

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