Poaceae
Rattlesnake manna grass
Glyceria canadensis
- Family
- Poaceae
- Genus
- Glyceria
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Common names
By language (4)
- Dutch
- Canadees vlotgras
- English
- Rattlesnake manna grass, Rattlesnake mannagrass
- Finnish
- Kanadansorsimo
- Swedish
- Indiangröe
Synonyms
- Briza canadensis Michx.
- Glyceria canadensis var. laxa (Scribn.) Hitchc.
- Glyceria canadensis var. parviflora Fernald
- Glyceria laxa (Scribn.) Scribn.
- Megastachya canadensis (Michx.) Roem. & Schult.
- Nevroloma canadensis (Michx.) Raf.
- Panicularia canadensis (Michx.) Kuntze
- Panicularia laxa Scribn.
- Poa canadensis (Michx.) Torr.
Flowers
- Flower colour
- green (USDA PLANTS Database)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native, St. Pierre and Miquelon: native
Photos
Photo: Daderot, CC0, from Wikimedia Commons 
Photo: Wasp32, CC BY 4.0, from Wikimedia Commons 
Photo: Rob Routledge, Sault College, Bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: Rob Routledge, Sault College, Bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: Rob Routledge, Sault College, Bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: Rob Routledge, Sault College, Bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: Ayotte, Gilles, 1948-, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Ayotte, Gilles, 1948-, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Ayotte, Gilles, 1948-, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Ayotte, Gilles, 1948-, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Ayotte, Gilles, 1948-, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Ayotte, Gilles, 1948-, CC BY-SA 4.0, from Wikimedia Commons
More in Glyceria
- Water mannagrassGlyceria fluitansPoaceae
- Reed mannagrassGlyceria maximaPoaceae
- Glyceria lithuanicaPoaceae
- Plicate sweet-grassGlyceria notataPoaceae
- Waxy mannagrassGlyceria declinataPoaceae
- Fowl manna grassGlyceria striataPoaceae
- Glyceria nemoralisPoaceae
- American mannagrassGlyceria grandisPoaceae
- Creeping mannagrassGlyceria acutifloraPoaceae
- Northern manna grassGlyceria borealisPoaceae
- Glyceria ischyroneuraPoaceae
- Davy mannagrassGlyceria leptostachyaPoaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.