Poaceae
Bluejoint
Calamagrostis canadensis
- Family
- Poaceae
- Genus
- Calamagrostis
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Common names
By language (2)
- Czech
- Třtina kanadská
- English
- Bluejoint, Bluejoint reed grass, Canada bluejoint, Canadian reedgrass, Bluejoint reedgrass, Arctic reedgrass
Synonyms
- Arundo agrostoides Pursh
- Arundo canadensis Michx.
- Arundo cinnoides Muhl.
- Arundo confinis Willd.
- Arundo conoides Eaton
- Arundo fissa Willd. ex Steud.
- Arundo glauca Muhl.
- Calamagrostis agrostoides (Pursh) Spreng.
- Calamagrostis alaskana Kearney
- Calamagrostis anomala Suksd.
- Calamagrostis atropurpurea Nash
- Calamagrostis blanda Beal
- Calamagrostis canadensis subsp. acuminata (Vasey ex Shear & Rydb.) Piper & Beattie
- Calamagrostis canadensis subsp. canadensis
- Calamagrostis canadensis var. acuminata Vasey ex Shear & Rydb.
- Calamagrostis canadensis var. campestris Kearney
- Calamagrostis canadensis var. canadensis
- Calamagrostis canadensis var. dorei B.Boivin
- Calamagrostis canadensis var. dubia (Scribn. & Tweedy) Vasey
- Calamagrostis canadensis var. imberbis (Stebbins) C.L.Hitchc.
- Calamagrostis canadensis var. lactea (Beal) C.L.Hitchc.
- Calamagrostis canadensis var. macouniana (Vasey) Stebbins
- Calamagrostis canadensis var. pallida (Vasey & Scribn.) Stebbins
- Calamagrostis canadensis var. robusta Vasey
- Calamagrostis canadensis var. scabra (J.Presl) Hitchc.
- Calamagrostis cinnoides W.P.C.Barton
- Calamagrostis columbiensis Nutt. ex A.Gray
- Calamagrostis confinis (Willd.) P.Beauv.
- Calamagrostis dubia (Scribn. & Tweedy) Scribn.
- Calamagrostis hirtigluma Steud.
- Calamagrostis lactea Beal
- Calamagrostis langsdorffii var. acuminata (Vasey ex Shear & Rydb.) Litv.
- Calamagrostis langsdorffii var. lactea (Beal) Kearney
- Calamagrostis langsdorffii var. marylandica Trin.
- Calamagrostis langsdorffii var. scribneri (Beal) M.E.Jones
- Calamagrostis langsdorfii var. lactea (Beal) Kearney
- Calamagrostis langsdorfii var. scribneri (Beal) M.E.Jones
- Calamagrostis macouniana (Vasey) Vasey
- Calamagrostis mexicana Nutt.
- Calamagrostis michauxii Trin. ex Steud.
and 17 more.
Flowers
- Flower colour
- green (USDA PLANTS Database)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Greenland: native, Lower 48 states: native, St. Pierre and Miquelon: native
Photos
Photo: Zihao Wang, CC BY 4.0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Sam Beaumont, CC BY 4.0, from iNaturalist 
Photo: jillllybean, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Summit Metro Parks, CC BY 4.0, from iNaturalist 
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Loopy30, CC BY-SA 4.0, from iNaturalist 
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons 
Photo: naturalist charlie, CC BY 4.0, from iNaturalist 
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons
More in Calamagrostis
- European beachgrassCalamagrostis arenariaPoaceae
- BushgrassCalamagrostis epigejosPoaceae
- Purple smallreedCalamagrostis canescensPoaceae
- Achnatherum brachytrichaCalamagrostis arundinaceaPoaceae
- Slimstem reedgrassCalamagrostis strictaPoaceae
- Coastal small-reedCalamagrostis pseudophragmitesPoaceae
- Calamagrostis purpureaPoaceae
- Calamagrostis variaPoaceae
- Calamagrostis villosaPoaceae
- American beachgrassCalamagrostis breviligulataPoaceae
- Lapland reedgrassCalamagrostis lapponicaPoaceae
- PinegrassCalamagrostis rubescensPoaceae
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.