SimplePlant

Poaceae

Northern reedgrass

Calamagrostis inexpansa A.Gray

Family
Poaceae
Genus
Calamagrostis

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Northern reedgrass: Calamagrostis expansa
Photo: Forest and Kim Starr, CC BY 2.0, from Wikimedia Commons

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Common names

By language (1)
English
Northern reedgrass

Synonyms

  • Calamagrostis aculeolata (Hack.) Ohwi
  • Calamagrostis americana (Vasey) Rydb. & Shear
  • Calamagrostis breviseta var. lacustris Kearney
  • Calamagrostis californica Kearney
  • Calamagrostis canadensis var. arcta Stebbins
  • Calamagrostis chordorrhiza A.E.Porsild
  • Calamagrostis crassiglumis Thurb.
  • Calamagrostis elongata (Kearney) Rydb.
  • Calamagrostis expansa Rickett & Gilly
  • Calamagrostis fernaldii Louis-Marie
  • Calamagrostis hyperborea Lange
  • Calamagrostis hyperborea var. americana (Vasey) Kearney
  • Calamagrostis hyperborea var. elongata Kearney
  • Calamagrostis hyperborea var. hyperborea
  • Calamagrostis hyperborea var. stenodes Kearney
  • Calamagrostis inexpansa subsp. barbulata (Kearney) Piper & Beattie
  • Calamagrostis inexpansa var. barbulata Kearney
  • Calamagrostis inexpansa var. brevior (Vasey) Stebbins
  • Calamagrostis inexpansa var. cuprea Kearney
  • Calamagrostis inexpansa var. inexpansa
  • Calamagrostis inexpansa var. novae-angliae Stebbins
  • Calamagrostis inexpansa var. robusta (Vasey) Stebbins
  • Calamagrostis labradorica Kearney
  • Calamagrostis lacustris (Kearney) Nash
  • Calamagrostis lapponica var. brevipilis Stebbins
  • Calamagrostis micrantha var. sierrae M.E.Jones
  • Calamagrostis mongolica (Kitag.) Kitag.
  • Calamagrostis mongolicola Kitag.
  • Calamagrostis neglecta subsp. aculeolata (Hack.) T.Koyama
  • Calamagrostis neglecta subsp. inexpansa (A.Gray) Tzvelev
  • Calamagrostis neglecta var. aculeolata (Hack.) Miyabe & Kudô
  • Calamagrostis neglecta var. crassiglumis (Thurb.) Beal
  • Calamagrostis neglecta var. hyperborea (Lange) M.E.Jones
  • Calamagrostis neglecta var. inexpansa (A.Gray) M.E.Jones
  • Calamagrostis neglecta var. mongolica Kitag.
  • Calamagrostis pickeringii var. lacustris (Kearney) Hitchc.
  • Calamagrostis robusta (Vasey) Vasey
  • Calamagrostis scopulorum var. bakeri Stebbins
  • Calamagrostis stricta subsp. inexpansa (A.Gray) C.W.Greene
  • Calamagrostis stricta var. aculeolata Hack.

and 13 more.

Photos

More in Calamagrostis

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). About our plant data.