Taxa: Calamagrostis canadensis var. canadensis (Calamagrostis canadensis var. pallida, Calamagrostis canadensis var. robusta, Calamagrostis canadensis var. typica, Calamagrostis expansa var. robusta, Calamagrostis inexpansa var. cuprea, Calamagrostis inexpansa var. robusta, Calamagrostis anomala, Calamagr
... (show all)ostis atropurpurea, Calamagrostis scribneri, Calamagrostis canadensis var. imberbis, Calamagrostis hyperborea)