Bluejoint, Bluejoint Reedgrass: Calamagrostis canadensis var. canadensis (Synonyms: Calamagrostis canadensis var. pallida, Calamagrostis canadensis var. robusta, Calamagrostis canadensis var. typica, Calamagrostis expansa var. robusta, Calamagrostis inexpansa var. cuprea, Calamagrostis scribneri) -
Bluejoint: Calamagrostis canadensis var. imberbis -
Howell's Reedgrass: Calamagrostis howellii - Collected in the Trout Lake Valley by Wilhelm Suksdorf.
Purple Reedgrass, Purple Reed-grass: Calamagrostis purpurascens (Synonyms: Calamagrostis lepageana, Calamagrostis maltei, Calamagrostis purpurascens ssp. maltei, Calamagrostis purpurascens var. maltei, Calamagrostis purpurascens var. purpurascens, Calamagrostis vaseyi, Calamagrostis yukonensis, Deschampsia congestiformis) -
Pinegrass: Calamagrostis rubescens (Synonym: Calamagrostis fasciculata) -
Narrow-spiked Reedgrass: Calamagrostis stricta ssp. inexpansa (Synonyms: Calamagrostis californica, Calamagrostis canadensis var. acuminata, Calamagrostis canadensis var. arcta, Calamagrostis chordorrhiza, Calamagrostis crassiglumis, Calamagrostis expansa, Calamagrostis fernaldii, Calamagrostis hyperborea, Calamagrostis hyperborea var. americana, Calamagrostis hyperborea var. elongata,
Calamagrostis hyperborea var. stenodes, Calamagrostis inexpansa, Calamagrostis inexpansa var. barbulata, Calamagrostis inexpansa var. brevior, Calamagrostis inexpansa var. inexpansa, Calamagrostis inexpansa var. novae-angliae, Calamagrostis inexpansa var. robusta, Calamagrostis labradorica, Calamagrostis lacustris, Calamagrostis lapponica var. brevipilis, Calamagrostis pickeringii var. lacustris, Calamagrostis stricta var. brevior , Calamagrostis stricta var. lacustris) -
Narrow-spiked Reedgrass, Slimstem Reed-grass: Calamagrostis stricta ssp. stricta (Synonyms: Calamagrostis neglecta ssp. stricta, Calamagrostis neglecta var. gracilis, Calamagrostis neglecta var. micrantha, Calamagrostis neglecta var. neglecta) -