Tzvelev Calamagrostis korotkyi Litv. Calamagrostis korshinskyi Litv. Calamagrostis × kotulae Zapal. Calamagrostis × kuznetzovii Tzvelev Calamagrostis lahulensis G.Singh Calamagrostis lapponica (Wahlenb.) Hartm. Calamagrostis lawrencei (Vickery) Govaerts Calamagrostis leiophylla (Wedd.) Hitchc. Calamagrostis leonardii Chase Calamagrostis levipes (Keng) P.C.Kuo & S.L.Lu ex J.L.Yang Calamagrostis licentiana Hand.-Mazz. Calamagrostis ligulata (Kunth) Hitchc. Calamagrostis linifolia Govaerts Calamagrostis llanganatensis Laegaard Calamagrostis longiseta Hack. Calamagrostis macbridei Tovar Calamagrostis macilenta (Griseb.) Litv. Calamagrostis macrophylla (Pilg.) Pilg. Calamagrostis malamalensis Hack. ex Stuck. Calamagrostis mandoniana (Wedd.) Pilg. Calamagrostis matsumurae Maxim. Calamagrostis mckiei (Vickery) Govaerts Calamagrostis menhoferi Govaerts Calamagrostis mesathera (Vickery) Govaerts Calamagrostis microseta (Vickery) Govaerts Calamagrostis minarovii Hüseyin Calamagrostis minima (Pilg.) Tovar Calamagrostis minor (Benth.) J.M.Black Calamagrostis mollis Pilg. Calamagrostis montanensis (Scribn.) Scribn. ex Vasey Calamagrostis moupinensis Franch. Calamagrostis muiriana B.L.Wilson & Sami Gray Calamagrostis mulleri Luces Calamagrostis munroi Boiss. Calamagrostis nagarum (Bor) G.Singh Calamagrostis nardifolia (Griseb.) Hack. ex Stuck. Calamagrostis neesii Steud. Calamagrostis neocontracta Govaerts Calamagrostis niitakayamensis Honda Calamagrostis ningxiaensis D.Z.Ma & J.N.Li Calamagrostis nitidula Pilg. Calamagrostis nivicola (Hook.f.) Hand.-Mazz. Calamagrostis nudiflora (Vickery) Govaerts Calamagrostis nutkaensis (J.Presl) Steud. Calamagrostis obtusata Trin. Calamagrostis ophitidis (Howell) Nygren Calamagrostis orbignyana (Wedd.) Pilg. Calamagrostis orizabae (Rupr. ex E.Fourn.) Beal Calamagrostis ovata (J.Presl) Steud. Calamagrostis × paradoxa Lipsky Calamagrostis parsana (Bor) M.Dogan Calamagrostis parviseta (Vickery) Reeder Calamagrostis patagonica (Speg.) Makloskie Calamagrostis pavlovii (Roshev.) Roshev. Calamagrostis perplexa Scribn. Calamagrostis petelotii (Hitchc.) Govaerts Calamagrostis pickeringii A.Gray Calamagrostis pinetorum Swallen Calamagrostis pisinna Swallen Calamagrostis pittieri Hack. Calamagrostis planifolia (Kunth) Trin. ex Steud. Calamagrostis poluninii T.J.Sørensen Calamagrostis polycephala Vaniot Calamagrostis polygama (Griseb.) Parodi Calamagrostis × ponojensis Montell Calamagrostis porteri A.Gray Calamagrostis × prahliana Torges Calamagrostis preslii (Kunth) Hitchc. Calamagrostis pringlei Beal Calamagrostis przevalskyi Tzvelev Calamagrostis × pseudodeschampsioides Tzvelev Calamagrostis pseudophragmites (Haller f.) Koeler Calamagrostis pungens Tovar Calamagrostis purpurascens R.Br. Calamagrostis purpurea (Trin.) Trin. Calamagrostis pusilla Reeder Calamagrostis quadriseta (Labill.) Spreng. Calamagrostis radicans Vaniot Calamagrostis ramonae Escalona Calamagrostis rauhii Tovar Calamagrostis recta (Kunth) Trin. ex Steud. Calamagrostis reflexa (Vickery) Govaerts Calamagrostis reitzii Swallen Calamagrostis × rigens Lindgr. Calamagrostis rigescens (J.Presl) Scribn. Calamagrostis rigida (Kunth) Trin. ex Steud. Calamagrostis rodwayi (Vickery) Govaerts Calamagrostis rosea (Griseb.) Hack. Calamagrostis rubescens Buckley Calamagrostis rupestris Trin. Calamagrostis sachalinensis F.Schmidt Calamagrostis sajanensis Malyschev Calamagrostis salina Tzvelev Calamagrostis scaberula Swallen Calamagrostis scabrescens Griseb. Calamagrostis scabriflora Swallen Calamagrostis sclerantha Hack. Calamagrostis sclerophylla (Stapf) Hitchc. Calamagrostis scopulorum M.E.Jones Calamagrostis scotica (Druce) Druce Calamagrostis sesquiflora (Trin.) Tzvelev Calamagrostis setiflora (Wedd.) Pilg. Calamagrostis sichuanensis J.L.Yang Calamagrostis sikangensis (Keng) P.C.Kuo & S.L.Lu ex J.L.Yang Calamagrostis sinelatior (Keng) P.C.Kuo & S.L.Lu ex