Arundo agrostoides Pursh
Arundo canadensis Michx.
Arundo confinis Willd.
Calamagrostis agrostoides (Pursh) Spreng.
Calamagrostis alaskana Kearney
Calamagrostis anomala Suksd.
Calamagrostis atropurpurea Nash
Calamagrostis blanda Beal
Calamagrostis confinis (Willd.) P.Beauv.
Calamagrostis hirtigluma Steud.
Calamagrostis lactea Beal
Calamagrostis macouniana (Vasey) Vasey
Calamagrostis nubila Louis-Marie
Calamagrostis oregonensis Buckley
Calamagrostis scabra J.Presl
Calamagrostis scribneri Beal
Cinna purshii Kunth
Deyeuxia canadensis (Michx.) Munro ex Hook.f.
Deyeuxia confinis (Willd.) Kunth
Deyeuxia dubia Scribn. & Tweedy
Deyeuxia lactea (Beal) Suksd.
Deyeuxia macouniana Vasey
Deyeuxia pallida Suksd.
Deyeuxia preslii Kunth
