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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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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)

 

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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:AGCPAKAWCBEMPGPHIMWNCNEWMVE
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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