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Glyceria canadensis

Glyceria canadensis (Michx.) Trin.

Rattlesnake Mannagrass

Poaceae (Grass Family)

Synonym(s): Panicularia canadensis

USDA Symbol: GLCA

USDA Native Status: L48 (N), CAN (N), SPM (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 Venation: Parallel
Fruit Type: Caryopsis
Size Notes: Up to about 5 feet tall.
Leaf: Green

Bloom Information

Bloom Color: Green
Bloom Time: Jun , Jul

Distribution

USA: CT , DC , DE , IL , IN , MA , MD , ME , MI , MN , NC , NH , NJ , NY , OH , OR , PA , RI , VA , VT , WA , WI , WV
Canada: BC , MB , NB , NL , NS , ON , PE , QC , SK
Native Distribution: Several authorities, including Flora of North America, consider this species non-native (introduced) in western North America.

Growing Conditions

Water Use: Medium
Light Requirement: Sun
CaCO3 Tolerance: Medium

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: U.S. Army Corps of Engineers. (2023). 2022 National Wetland Plant List, version 3.6. U.S. Army Engineer Research and Development Center, Vicksburg, MS. https://wetland-plants.usace.army.mil/. 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

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 2023-06-06
Research By: TWC Staff

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