| Calamagrostis abietina Schur [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis abnormis (Hook.f.) U.Shukla | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis accedens (Vickery) Govaerts | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis acrathera Peterm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis acrathera f. abbreviata Peterm. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis aculeolata (Hack.) Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis acuminata (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × acutiflora (Schrad.) DC. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × acutiflora var. caucasica (Trin.) Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × acutiflora var. tenella Meinsh. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis adpressiramea Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis adylssuensis Seredin | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aemula (R.Br.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aemula var. billardieri (R.Br.) Maiden & Betche | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aemula var. plebeia (R.Br.) Maiden & Betche | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aequata (Nees) J.M.Black | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aequivalvis (Trin.) Steffen | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis affinis (M.Gray) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis agapatea Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis agrostidiformis Roshev. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis agrostiflora Beck | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis agrostioides Matuszk. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis agrostoides Boiss. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis agrostoides (Pursh) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis agrostoides var. pontica Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis airoides (Poir.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ajanensis Kharkev. & Prob. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alaica Litv. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alaskana Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alba (J.Presl) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alba subsp. alba  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis alba subsp. tricholemma Roseng., B.R.Arrill. & Izag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis albescens A.Gray [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis albicans Buckley | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis albiflora Vaniot | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aleutica Bong. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aleutica var. angusta Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aleutica var. patens Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alexeenkoana Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alopecuroides Roshev. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alpicola Govaerts [Illegitimate] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alpicola Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alpina Host | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alpina var. convolutiva Beck | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis alpina var. extrema Beck | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis altaica Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis altissima Host | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ambigua Hartm. | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ameghinoi (Spreng.) Macloskie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ameghinoi (Speg.) Hauman | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis americana (Vasey) Rydb. & Shear | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis amoena (Pilg.) Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis amoena var. amoena  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis amoena var. festucoides (Wedd.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ampliflora Tovar | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis amurensis Prob. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis andina Nutt. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × andrejewii Litv. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis angusta (Vasey) Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis angustifolia Kom. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis angustifolia subsp. tenuis (V.N.Vassil.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis angustifolia var. tenuis (V.N.Vassil.) Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aniselytron Govaerts | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis anomala Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis anomala Suksd. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis anthoxanthoides (Munro) Regel | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis anthoxanthoides subsp. laguroides (Regel) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis antoniana (Griseb.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis antoniana (Griseb.) Steud. ex Hitchc. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis antoniana (Griseb.) D.M. Moore | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis antoniana (Griseb.) Hack. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis appressa (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis archboldii Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arctica Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis areantha (Pilg.) Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arenaria Roth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arenaria subsp. australis (Mabille) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arenaria var. australis (Mabille) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arenicola Fernald | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis argentea DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis argentea subsp. mesatlasica Quézel | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arisanensis Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × aristata Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis armata (Döll) Parodi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis armata var. armata  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis armata var. subaristata Parodi | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis armata var. subcontracta (Döll) Parodi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea Wibel [Illegitimate] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea (L.) Roth | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea subsp. adpressiramea (Ohwi) T.Koyama | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. adpressiramea (Ohwi) Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. alpina (Schur) Serb. & Beldie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. austrojeholensis (Honda) Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea subsp. brachytricha (Steud.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. brachytricha (Steud.) Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. ciliata Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. densa Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea subsp. distantiflora (Luchnik) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea f. effusa I.C.Chung | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. grandiflora Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea subsp. heterogluma (Nakai) T.Koyama | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. heterogluma (Nakai) I.C.Chung | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. hirsuta Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. hsinganensis Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea subsp. hymenoglossa (Ohwi) T.Koyama | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. inaequata Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. latifolia (Rendle) Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. laxiflora (Rendle) P.C.Kuo & S.L.Lu ex J.L.Yang | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. ligulata (Rendle) Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. ligulata (Rendle) P. C. Kuo & S. L. Lu ex J. L. Yang | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis arundinacea var. macrotricha Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. montana (Gaudin) Celak. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea subsp. monticola (Petrov ex Kom.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. nipponica (Franch. & Sav.) Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. pamirensis Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. pubescens Podp. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea f. purpurascens (R.Br.) Gelert | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. purpurascens (Schult.) Porsild | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. pyramidalis (Host) O.Fedtsch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. robusta Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea f. rufescens Matuszk. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. sciuroides (Franch. & Sav.) Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. subbiflora Torges ex Zapal. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. subvaria Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea subsp. sugawarae (Ohwi) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. sylvatica (Schrad.) Celak. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea f. turfosa (Schur) Soó | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundinacea var. varia Fiori | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundo Roth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis arundo J.F.Gmel. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aspera Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis atjehensis Ohwi | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis atropurpurea Nash | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis aurea (Munro) Hack. ex Sodiro | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis australis (Moritzi) Buse | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis austrodensa Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis austrojeholensis Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis austroscaberula Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis autumnalis Koidz. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis autumnalis subsp. microtis (Ohwi) T.Koyama | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis autumnalis var. microtis Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis autumnalis var. virens Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis avenacea (J.F.Gmel.) W.R.B.Oliv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis avenacea (J.F. Gmel.) Bech. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis avenoides (Hook.f.) Cockayne | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis azorica (Hochst.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × badzhalensis Prob. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis baicalensis Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis baicalensis (Litw.) Steph. ex Komarov | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis balansae Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis balkharica P.A.Smirn. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis baltica (Schrad.) Trin. | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis barbata V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis benthamiana (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis beyrichiana Nees ex Döll | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis bicolor J.F.Gmel. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × bihariensis Simonk. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis billardierei (R.Br.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis blanda Beal | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis bogotensis (Pilg.) Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis bolanderi Thurb. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis boliviensis Hack. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis borealis Laest. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis borii Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis boyacensis Swallen & Garc.-Barr. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis brachyathera (Stapf) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis brachytricha Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis brachytricha var. ciliata (Honda) Ibaragi, H.Ohashi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis bracteolata V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis brassii Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis breviaristata (Wedd.) Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis brevifolia (J.Presl) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis brevifolia Steud. ex Miq. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis brevifolia var. brevifolia  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis brevifolia var. expansa (Rúgolo & Villav.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis breviglumis (Benth.) Hack. ex Maiden & Betche | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis brevipaleata Swallen | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis brevipila Steud. ex Miq. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis brevipilis (Torr.) L.C.Beck | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis breviseta (A.Gray) Scribn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis breviseta var. debilis Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis breviseta var. lacustris Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis breweri Thurb. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis bromidioides (Griseb.) Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis bromoides Nutt. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis bungeana Petrov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis buschiana Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis buschiana var. glabrata Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cabrerae Parodi | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cabrerae var. aristulata (Rúgolo & Villav.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cabrerae var. cabrerae  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis cabrerae var. maxima (Rúgolo) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cabrerae var. trichopoda (Parodi ex Rúgolo) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis caespitosa (Hochst.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis caespitosa Scribn. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis caespitosa V.N. Vassil. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis cainii Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cajatambensis Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis calamagrostis (L.) H.Karst. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis calamagrostis f. rufescens Zalewski | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis calderillensis Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis californica Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis calvescens Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis (Michx.) P.Beauv. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis subsp. acuminata (Vasey) Piper & Beattie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. acuminata Vasey ex Shear & Rydb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. arcta Stebbins | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. campestris Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. canadensis  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis canadensis subsp. canadensis  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis canadensis var. dorei B.Boivin | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. dubia (Scribn. & Tweedy) Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. imberbis (Stebbins) C.L.Hitchc. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. lactea (Beal) C.L.Hitchc. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis subsp. langsdorffii (Link) Hultén | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. langsdorffii (Link) Inman | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. macouniana (Vasey) Stebbins | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. pallida (Vasey & Scribn.) Stebbins | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. punctulata (Ohwi) T.Shimizu | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. robusta Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canadensis var. scabra (J.Presl) Hitchc. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canescens (G.H.Weber) Roth | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canescens f. hirta (Sanio) Soó | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canescens f. macrathera (Prahl) Soó | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canescens f. pallida (Lange) Soó | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canescens f. parviflora (Harz) Soó | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canescens f. ramosa (Host) Soó | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canescens var. rudimentigera (Litv. ex Roshev.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canescens f. rufescens (Zalewski ex Asch. & Graebn.) Soó | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis canescens subsp. vilnensis (Besser) H.Scholz | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis capensis Stapf | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis capillaris Nees ex Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis capitata Hack. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis carchiensis Laegaard | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis carinata (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis caucasica Trin. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis caucasica subsp. iberica (Griseb.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis caucasica var. kubanensis Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cephalantha Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chalybaea (Laest.) Fr. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chalybaea var. baicalensis Litw. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis chalybaea var. sibirica Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chamissonis (Trin.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chaseae Luces | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chassanensis Prob. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chilensis (Desv.) R.E.Fr. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chilensis Phil. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chordorrhiza A.E.Porsild | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chrysantha (J.Presl) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chrysantha var. chrysantha  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis chrysantha var. phalaroides (Wedd.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chrysophylla (Phil.) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chrysostachya (Desv.) Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis chrysostachya (E. Desv.) V.N. Vassil. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis chrysostachya (E. Desv.) Hack. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis ciliata Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cinnoides (Muhl.) W.P.C.Barton | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis clarionis (Loisel.) Loisel. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cleefii Escalona | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis clemensae (Hitchc.) Govaerts | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis clipeata Vaniot | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis coahuilensis P.M.Peterson, Soreng & Valde´s-Reyna | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis coarctata Eaton | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis coarctata (Kunth) Steud. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis collina Franch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis colorata (Aiton) Sibth. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis columbiensis Nutt. ex A.Gray [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis compacta (Munro ex Duthie) Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis compressa Döll | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis conferta (Keng) P.C.Kuo & S.L.Lu | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis confinis (Willd.) P.Beauv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis confinis (Willd.) Nutt. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis confusa V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis conspicua (E.Forst.) J.F.Gmel. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis conspicua Bergeret [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis contracta Dumort. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × conwentzii Ulbr. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cordechii Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cordechii var. cordechii  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis cordechii var. glabrescens (Rúgolo & Villav.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis coronalis Tovar | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis corsica (Hack.) Rouy | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis costei Sennen [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis crassifolia Hack. ex Sodiro [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis crassiglumis Thurb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis crassiuscula (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis crispa (Rugolo & Villav.) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis crispa (Rúgolo & X. Villavicencio) Soreng | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis cryptolopha (Wedd.) Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis curta (Wedd.) Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis curta (Wedd.) Pilg. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis curtisii (Vasey) Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis curtoides (Rugolo & Villav.) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis curvula (Wedd.) Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cusickii (Vasey) Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cuspidata Spreng. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis cuzcoensis Tovar | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis czekanowskiana Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × czerepanovii Husseinov | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis czukczorum Soczava | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis debilis Hook.f. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis decipiens (R.Br.) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis decora Hook.f. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis densa Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis densa (Benth.) Hack. ex Maiden & Betche [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis densiflora (J.Presl) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis densiflora Müll.Berol [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis deschampsiiformis C.E.Hubb. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis deschampsioides Trin. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis deschampsioides var. hayachinensis Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis deschampsioides subsp. macrantha Piper | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis deschampsioides var. macrantha (Piper ex Scribn. & Merr.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis deschampsioides var. nana Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis deschampsioides var. subapicalis Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis deserticola (Phil.) Phil. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis deserticola var. breviaristata (Rúgolo & Villav.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis diemii (Rúgolo) Soreng | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis diffusa (Keng) Keng f. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis diffusa (Keng) P. C. Kuo & S. L. Lu ex J. L. Yang | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis dioica Steud. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis distantiflora Luchnik | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis distantifolia Luchnik | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis divaricata P.M.Peterson & Soreng | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis divergens Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis dmitrievae Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis donaciformis Loisel. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis drummondii (Steud.) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis dubia Bunge | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis dubia (Scribn. & Tweedy) Scribn. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ecuadoriensis Laegaard | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis effusa (Kunth) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis effusiflora (Rendle) P.C.Kuo & S.L.Lu ex J.L.Yang | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis egmontiana Roem. & Schult. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis elata Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis elata var. pallidiflora Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis elatior (Griseb.) A.Camus | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis elegans (Wedd.) Henrard | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis elongata (Kearney) Rydb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis eminens (J.Presl) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis eminens f. brevipila Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis eminens var. discreta (Rúgolo & Villav.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis eminens var. eminens  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis eminens f. eminens  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis eminens var. fulva (Griseb.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis eminens var. sordida Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis eminens var. tunariensis Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis emirnensis (Baker) T.Durand & Schinz | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis emodensis Griseb. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis emodensis var. breviseta Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigea St.-Lag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios (L.) Roth | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios f. abbreviata (Peterm.) Soó | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios subsp. acranthera (Peterm.) K.Richt. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. alpestris Brügger | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. altissima Mutel | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. ampla Podp. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. angustata Podp. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. arenaria B.de Lesd. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios subsp. capensis (Stapf) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. capensis Stapf | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios f. densiflora (Ledeb. ex Griseb.) Serb. & Beldie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. densiflora Ledeb. ex Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. elongata Döll | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios subsp. extremiorientalis Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. extremiorientalis (Tzvelev) Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios f. fissa Zapal. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. flavescens (Grutt.) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. georgica (K.Koch) Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. gigantea Roshev. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis epigeios var. glauca Hartm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. glaucescens Coss. & Germ. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios subsp. glomerata (Boiss. & Buhse) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. hirsuta Ducommun | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. intermedia (C.C.Gmel.) Grecescu | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios f. laeviculmis H.Lindb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. laevis Regel | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. laxiflora Gruner | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. linearis Ducommun | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. macra Ledeb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios subsp. macrolepis (Litv.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios subsp. meinshausenii Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. paczoskii Matuszk. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. parviflora Keng ex Chen H.Wang | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. princeps Podp. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. reichenbachiana Grecescu | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios subsp. rigens (Fr.) K.Richt. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. riparia Hartm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. scabra Meinsh. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. subgeniculata Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. subquinquenervis Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. subulata (Dumort.) Döll | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. sylvatica F.T.Wang | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. umbrosa Behm | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios var. variegata Ducommun | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigeios f. virescens Andersson | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis epigejos (L.) Roth | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis epigejos f. abbreviata (Peterm.) Soó | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis epigejos subsp. capensis (Stapf) Tzvelev | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis epigejos f. densiflora (Ldb.) Şerb. & Beldie | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis epigejos var. densiflora Ldb. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis epigejos subsp. extremiorientalis Tzvelev | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis epigejos var. georgica (K. Koch) Griseb. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis epigejos f. laevis Meinsh. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis epigejos subsp. meinshausenii Tzvelev | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis epileuca (Stapf) Govaerts | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis erecta Beal | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis erectifolia Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis eriantha (Kunth) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis erythrostachya (Desv.) Hack. ex Stuck. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis evenkiensis Reverd. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis exaristata Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis expansa (Munro ex Hillebr.) Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis expansa Rickett & Gilly [Spelling variant] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis extremiorientalis (Tzvelev) Prob. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis falklandiae Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis farcta (Aubl.) J.F.Gmel. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fasciculata Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fauriei Hack. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fauriei var. intermedia T.Shimizu | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fernaldii Louis-Marie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis festuciformis Varsiliev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fibrovaginata Laegaard | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fiebrigii Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis filifolia Merr. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis filifolia (Wedd.) Pilg. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis filifolia (Wedd.) Henrard | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis filiformis Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis filiformis (G.Forst.) Cockayne [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis filiformis (G. Forst.) Pilg. ex Ostenf. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis filiformis var. preissii (Nees) Pilg. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis filipes (Keng) P.C.Kuo & S.L.Lu ex J.L.Yang | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis flabellum Bergeret | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis flaccida Keng f. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis flexuosa Rupr. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis foliosa Kearney | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis formosana Hayata | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis forsteri (Roem. & Schult.) Steud. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis freticola (Speg.) Makloskie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis frigida (Benth.) Maiden & Betche | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fuegiana Speg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fulgida Laegaard | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fulva (Griseb.) Kuntze | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis funckii Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fusca Kom. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis fuscata (J.Presl) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis garhwalensis C.E.Hubb. & Bor | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis garwhalensis C.E. Hubb. & Bor | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis gaudiniana Rchb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gayana (Steud.) Soreng | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gayana var. gayana  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis gayana var. neuquenensis (Rúgolo) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis georgica K.Koch | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gigantea Nutt. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gigantea Roshev. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gigas Takeda | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gigas var. aspera (Honda) Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis glabriflora Popov [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis glacialis (Wedd.) Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis glauca (Hornem.) Steud. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis glauca Trin. ex Hohen. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis glauca (M. Bieb.) Rchb. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis glaucescens Müll.Berol [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis glomerata Boiss. & Buhse | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gorodkovii V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gracilescens (Blytt) Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gracilis Seenus | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gracilis (Wedd.) Pilg. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gracilis (Litw.) V.N. Vassil. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis gracilis (Schumann) Drejer | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis gracilis (Wedd.) Henrard | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis grandiflora Hack. & Roshev. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis grandis Petrov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis grandiseta Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis grandiseta var. breviaristata Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis grandiseta var. longiaristata Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis grata Phil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis griffithiana Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis griffithii (Bor) G.Singh | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis groenlandica (Schrank) Kunth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis guamanensis Escalona | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis guatemalensis Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gunniana (Nees) Reeder | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis gusindei Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hackelii Lillo ex Stuck. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis haenkeana C.L.Hitchc. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hakonensis Franch. & Sav. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hakonensis var. argyraea Franch. & Sav. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hakonensis var. aristata (Honda) Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hakonensis var. exaristata (Honda) Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hakonensis var. glauca Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hakonensis var. koidzumiana (Ohwi) Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleri (Willd.) Brand | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × halleriana Fr. | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleriana (Gaudin) P.Beauv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleriana var. ambigua Hartm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleriana var. densiflora (Blytt) Müll.Berol | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleriana var. gracilescens Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleriana var. langsdorffii (Link) Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleriana var. minutivalvis Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleriana var. nutans (Saut.) Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleriana var. phragmitoides (Hartm.) Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleriana var. pulchella (Blytt) Hartm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis halleriana var. rivalis Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × hartmaniana Fr. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × haussknechtiana Torges | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hedbergii Melderis | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hedinii Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × heidenreichii Dörfl. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis henriettae Petrov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis henryi (Rendle) P.C.Kuo & S.L.Lu ex J.L.Yang | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis heterogluma (Nakai) Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis heterophylla (Wedd.) Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis heterophylla var. pubescens Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis heterophylla var. robustior Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hieronymi Hack. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hillebrandii (Munro ex Hillebr.) C.L.Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hirsuta V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hirsuta A.I.Baranov & Skvortz. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hirta (Sodiro ex Mille) Laegaard | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hirthii Phil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hirtigluma Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hissarica Nevski | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hiyamana Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis holciformis Jaub. & Spach | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis holciformis subsp. pamirica (Litv.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis holmii Lange | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hookeri (Syme) Druce | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hookeriana Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis howellii Vasey | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hsinganensis (Kitag.) Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis huebneriana Rchb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis huebneriana var. flavescens (Grutt.) Lojac. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis humboldtiana Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis humilis (Roem. & Schult.) O.Schwarz [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hupehensis (Rendle) Chase | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hupehensis (Rendle) P. C. Kuo & S. L. Lu ex J. L. Yang | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis huttoniae Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × hylanderi Soó [Invalid] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hymenoglossa Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hyperborea Lange | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hyperborea var. americana (Vasey) Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hyperborea var. elongata Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis hyperborea var. hyperborea  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis hyperborea var. stenodes Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis iberica Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis imberbis (Wedd.) Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis imbricata (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inaequalis (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inaequiglumis Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inaequiglumis f. nipponica Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × indagata Torges & Hausskn. | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inexpansa A.Gray | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inexpansa A.Gray ex Torr. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inexpansa subsp. barbulata (Kearney) Piper & Beattie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inexpansa var. barbulata Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inexpansa var. brevior (Vasey) Stebbins | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inexpansa var. cuprea Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inexpansa var. inexpansa  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis inexpansa var. novae-angliae Stebbins | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inexpansa var. robusta (Vasey) Stebbins | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis inopia Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis insperata Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis insularis Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis intermedia (J.Presl) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis intermedia Lindeb. ex Nyman [Invalid] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis interrupta Seredin | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis involuta Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis irazuensis Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis jacquemontii Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis jacutensis Petrov | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis jakutensis Petrov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis jamesonii Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis japonica (Hack.) Govaerts | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis javana Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis javanica Steud. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis junciformis (Kunth) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis kai-alpina Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis kalarica Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis kamczatica Maxim. ex Kom. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis karataviensis P.A.Smirn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis karka (Retz.) J.F.Gmel. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis kashmiriana (Bor) Govaerts | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis kastalskyi Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis kengii T.F.Wang | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis killipii Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis kirishimensis Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis koeleriiformis Roshev. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis koelerioides Vasey | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis koelerioides var. densa (Vasey) Beal | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis koibalensis Reverd. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis koidzumiana Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis kokonorica Keng ex Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis kolgujewensis Gand. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis kolymaensis Kom. | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis korotkyi Litv. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis korotkyi subsp. latissima (Vorosch.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis korotkyi subsp. monticola (Petrov ex Kom.) Vorosch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis korotkyi subsp. turczaninowii (Litv.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis korshinskyi Litv. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × kotulae Zapal. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis krylovii Reverd. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × kuznetzovii Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis labradorica Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lactea Beal | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lacustris (Kearney) Nash | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis laguroides Regel | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lagurus Koeler [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lagurus (Wedd.) Pilg. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis lahulensis G.Singh | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lalesarensis Torges & Bornm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lancea Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata Stokes [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata Trin. ex Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata Roth | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis lanceolata Aitch. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis lanceolata var. angustifolia Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. aramosa Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. armena K.Koch | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. canescens (G.H.Weber) Asch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. cinerascens Andersson | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. convoluta Podp. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. convoluta Podp. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis lanceolata var. fuscorubra Schur | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. geniculata Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. gracilis Lange | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. hirta Sanio | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. hypacrathera Torges | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis lanceolata f. macrathera Prahl | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. montana Celak. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. pallida Lange | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. pallida Lange | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. parviflora Harz ex B.Fedtsch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. parviflora Harz | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis lanceolata f. ramiflora Prahl | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. riparia Celak. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. rudimentigera Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. rufescens Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. somalensis Chiov. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. stricta Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. stricta Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. sublaxa Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. subulivalvis Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. violacea Matuszk. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. virescens Hartm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata f. viridis Torges ex Junge [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolata var. viridis Ducommun | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lanceolatiformis V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii (Link) Trin. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii Nyman [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. acuminata (Vasey) Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. angustifolia (Kom.) Jarosch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. decipicus Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. decipiens Pavlov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. gracilis Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. lactea (Beal) Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. langsdorffii  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis langsdorffii var. latifolia Jarosch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. major Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. manshurica (A.I.Baranov & Skvortzov) Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. marylandica Trin. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. minor Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. piligera Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. pulchella (Saut.) Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. punctulata Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. ramosa (Nakai) Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. scribneri (Beal) M.E.Jones | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii subsp. trinii Almq. & Lehbert | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorffii var. viridiflora Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis langsdorfii var. acuminata (Vasey ex Shear & Rydb.) Litw. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis langsdorfii subsp. angustifolia (Kom.) Vorosch. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis langsdorfii var. gracilis Litw. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis langsdorfii var. minor (Meinsh.) Litw. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis lapponica (Wahlenb.) Hartm. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lapponica var. brevipilis Stebbins | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lapponica var. gorodkowii Litv. ex Krylov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lapponica var. groenlandica Lange | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lapponica f. monstruosa Miyabe & Kudô | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lapponica var. nearctica Porsild | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lapponica var. opima Hartm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lapponica var. pavlovi Roshev. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis lapponica subsp. sibirica (Petrov) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis laricina (Louis-Marie) Louis-Marie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis latifolia Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis latifolia var. densiflora Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis latissima (Worosch.) Prob. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lawrencei (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis laxa Host | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis laxa Hegetschw. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis laxa var. transsilvanica Schur | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis laxiflora (Phil.) Phil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis laxiflora Kearney [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × laxior Müll.Berol [Invalid] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis leersii Koeler | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis leersii Trin. ex Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis leiophylla (Wedd.) Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lemmonii Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lenkoranensis Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis leonardii Chase | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lepageana Louis-Marie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis leucantha Delile ex Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis levipes (Keng) P.C.Kuo & S.L.Lu ex J.L.Yang | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis levis Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis licentiana Hand.-Mazz. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ligulata (Kunth) Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lilloi Hack. ex Stuck. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lilloi f. grandiflora Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lilloi f. lilloi  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis linifolia Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lithuanica Besser [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis littorea (Schrad.) P.Beauv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis littorea (Schrad.) DC. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis littorea f. abbreviata Peterm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis littorea var. laxa (Host) Mutel | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis littorea var. major (Gaudin) Parl. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis littorea var. montana K.Koch | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis littorea var. persica Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis littorea var. tartarica Hook. f. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis littorea var. tatarica Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis litwinowii Kom. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis llanganatensis Laegaard | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longearistata var. longearistata  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis longiaristata (Wedd.) Hack. ex Sodiro | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longiaristata var. minor Kämpf | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longiaristata f. pilosa Kämpf | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longiflora Keng f. | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longifolia Hook. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longigluma Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longirostris Buckley | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longiseta Hack. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longiseta var. contracta Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longiseta var. heterogluma Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longiseta subsp. longiaristata (Takeda) T.Koyama | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis longiseta var. longiaristata (Takeda) Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis lucida Scribn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis luxurians (Kearney) Rydb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis macbridei Tovar | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis macilenta (Griseb.) Litv. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis macloviana Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis macouniana (Vasey) Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis macrantha (Scribn. & Merr.) V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis macrolepis Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis macrolepis var. rigidula F.T.Wang | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis macrophylla (Pilg.) Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis magadanica V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis magellanica Phil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis malamalensis Hack. ex Stuck. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis maltei (Polunin) Á.Löve & D.Löve | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mandoniana (Wedd.) Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mandoniana (Wedd.) Wedd. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis mannii (Hook.f.) Engl. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis manshurica A.I.Baranov & Skvortz. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis maritima (Agardh) Kunth | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis masamunei Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis matsudana Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis matsumurae Maxim. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis matsumurae var. aristata Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis matsumurae var. exaristata (Honda) Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mauritanica Spreng. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mckiei (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mcvaughii Sohns | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis megalantha Keng ex Keng f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis megapotamica (Spreng.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis meinshausenii (Tzvelev) Vilyasoo | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis menhoferi Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mesathera (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mexicana Nutt. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mexicana Kunth [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis michauxii Trin. ex Steud. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis micrantha Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis micrantha var. micrantha  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis micrantha var. sierrae M.E.Jones | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis microseta (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis microtis (Ohwi) Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × microtis (Ohwi) Ohwi | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis minarovii Hüseyin | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis minima (Pilg.) Tovar | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis minor (Benth.) J.M.Black | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis minor Benth. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis minor var. densa (Benth.) J.M.Black | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mirabilis V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis miyabei Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mollis Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mongolica (Kitag.) Kitag. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis mongolicola Kitag. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis montana (Gaudich.) DC. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis montana Host | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis montana var. acutiflora (Schrad.) W.D.J.Koch | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis montanensis (Scribn.) Scribn. ex Vasey | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis montanensis (Scribn.) Beal | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis montevidensis Nees | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis montevidensis var. ampliflora Döll | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis montevidensis var. armata Döll | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis montevidensis var. linearis Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis montevidensis var. montevidensis  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis montevidensis var. subcontracta Döll | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis monticola Petrov ex Kom. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis morrisonensis Hayata | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis moupinensis Franch. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis muiriana B.L.Wilson & Sami Gray | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mulleri Luces | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis munroana (Aitch. & Hemsl.) Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis munroana var. stricta Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis munroi Boiss. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mutabilis V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis mutica Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nagarum (Bor) G.Singh | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nagensis (Bor) Uniyal | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis naiguatensis Swallen | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nana Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nana subsp. hayachinensis (Ohwi) Tateoka | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nana subsp. ohminensis Tateoka | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nardifolia (Griseb.) Hack. ex Stuck. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neesii Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta (Ehrh.) P.Gaertn., B.Mey. & Schreb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta subsp. aculeolata (Hack.) T.Koyama | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. aculeolata (Hack.) Miyabe & Kudô | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta subsp. borealis (Laest.) Selander | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. borealis (Laest.) Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. candidula Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. confinis (Willd.) Beal | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. crassiglumis (Thurb.) Beal | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. elatior Hausskn. ex Andersson | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta f. exserta (Domin) Soó | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta subsp. groenlandica (Schrank) Matuszk. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. groenlandica (Schrank) Druce | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta subsp. holmii (Lange) Vorosch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. hookeri (Syme) Druce | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. hyperborea (Lange) M.E.Jones | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta subsp. inexpansa (A.Gray) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. inexpansa (Gray) M.E.Jones | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. interruptus (Wahlenb.) Benn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. latifolia Holmgren ex Andersson | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. laxa Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta subsp. micrantha (Kearney) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. micrantha (Kearney) Stebbins | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. mongolica Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. neglecta  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis neglecta subsp. neglecta  | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis neglecta var. obscura Meinsh. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. pallida Meinsh. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. poaeoides (Steud.) Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta subsp. stricta (Timm) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. stricta (Timm) Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta f. violacea Matuszk. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. viridis Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis neglecta var. wrightii Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nematophylla (Wedd.) Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nemoralis Phil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nemoralis Kearney [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nemoralis Kuntze | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis neocontracta Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nepalensis Nees ex Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × neumaniana Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nigricans Mérat | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis niitakayamensis Honda | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis niitakayamensis subsp. masamunei (Honda) T.Koyama | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ningxiaensis D.Z.Ma & J.N.Li | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nipponica Franch. & Sav. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nitida Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nitidula Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nitidula var. elata Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nitidula var. macrantha Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × nivalis V.N.Vassil. [Illegitimate] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nivalis (Wedd.) Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nivalis (F.Muell.) Maiden & Betche [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nivicola (Hook.f.) Hand.-Mazz. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis notabilis Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nubila Louis-Marie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nuda (Pilg.) Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nudiflora (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nutans Saut. ex Rchb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nutkaensis (J.Presl) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis nuttalliana Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis obscura Downar | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis obtusata Trin. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ochotensis V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis odessana Besser ex Andrz. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis olympica Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis olympica var. glabrata (Litv.) Grossh. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis onaei Franch. & Sav. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis onibitoana Tateoka | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ophitidis (Howell) Nygren | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis orbignyana (Wedd.) Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis orbignyana (Wedd.) Hitchc. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis oregonensis Buckley | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis orizabae (E.Fourn.) Beal | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis orizabae Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis orthophylla Hayata & Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ovata (J.Presl) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ovata var. nivalis (Wedd.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ovata var. ovata  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis paishanensis Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pallens (C.Presl) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pallida A.Gray [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pallida (Blytt) Müll.Berol | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pallida Vasey & Scribn. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pallidiflora Müll.Berol [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pamirica Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pappophorea Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × paradoxa Lipsky | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis parsana (Bor) M.Dogan | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis parviflora Rupr. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis parviseta (Vickery) Reeder | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis patagonica (Speg.) Makloskie | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis patula Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pavlovii (Roshev.) Roshev. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pavlovii var. krylovii (Reverd.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pentapogonodes Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis perplexa Scribn. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis persica Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis persica (Boiss.) Stapf ex Hand.-Mazz. [Illegitimate] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis petelotii (Hitchc.) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis petriei Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pflanzii Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pflanzii var. major Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pflanzii var. pflanzii  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis phalaroides Regel | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phleoides (Nees & Meyen) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides Hartm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides var. breviaristata Hartm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides var. condensata Lange | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides var. flexuosa (Rupr.) Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides var. glaucescens Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides var. laevigata Lange | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides var. latifolia Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides var. major Andersson | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides var. minor Andersson | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides var. minor Meinsh. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis phragmitoides var. rariflora Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis phragmitoides var. robusta Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pickeringii A.Gray | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pickeringii var. debilis (Kearney) Fernald & Wiegand | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pickeringii var. lacustris (Kearney) Hitchc. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pickeringii var. pickeringii  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis pickeringii f. pickeringii  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis pickeringii f. vivipara Louis-Marie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pilosa (P.Beauv.) Greuter | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pilosula (Trin.) Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pilosula var. alpestris Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pilosula var. ciliata (Steud.) Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pilosula var. scabra Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pilosula var. wallichiana (Steud.) Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pinetorum Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis piscatoria (Lour.) Steud. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pisinna Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pittieri Hack. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis planifolia (Kunth) Trin. ex Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis plebeia (R.Br.) Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis plinii (Turra) J.F.Gmel. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis plumosa (E.Fourn.) Scribn. ex Beal [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis plumosa Spreng. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis podophora Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis poiformis (Kunth) Beal | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis poioides Trin. ex Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis poioides Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis poioides V.N.Vassil. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis poluninii T.J.Sørensen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis polycephala Vaniot | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis polygama (Griseb.) Parodi | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis polygama subsp. filifolia (Rúgolo & Villav.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis polygama subsp. polygama  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis × ponojensis Montell | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis poplawskae Roshev. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis porteri A.Gray | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis porteri subsp. insperata (Swallen) C.W.Greene | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis porteri subsp. perplexa (Scribn.) Clausen | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis porteri var. perplexa (Scribn.) R.T.Clausen | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis praerupta V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × prahliana Torges | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis preslii (Kunth) Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pringlei Beal | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis producta Mez ex Peter [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis przevalskyi Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × pseudodeschampsioides Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudoepigeios Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudolapponica V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites (Haller) Koeler | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites Blytt [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites f. abbreviata (Peterm.) Soó | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. densiflora (Blytt) Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites subsp. dubia (Bunge) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. dubia (Bunge) Hack. ex O.Fedsch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites f. flavescens Matuszk. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. glaucescens (Blytt) Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. grandiflora Matuszk. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. ladyginii Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. laxa (Host) Brand | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. minor Melderis | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. pallida Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. parviflora Matuszk. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites subsp. persica (Boiss.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. rariflora (Blytt) Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. robusta Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. stepposa Melderis | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites subsp. tartarica (Hook.f.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. tartarica (Hook.f.) Bor | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudophragmites var. tatarica (Hook.f.) R.R.Stewart | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseudopurpurea Gerstl. ex Heine | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pseuopoa (Jansen) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pubescens (Pilg.) Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pulchella Griseb. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pulvinata Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pumila Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pungens Tovar | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens R.Br. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens subsp. arctica (Vasey) Hultén | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens var. arctica (Vasey) Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens f. compacta Louis-Marie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens var. laricina Louis-Marie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens f. laricina Louis-Marie | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis purpurascens var. macrantha (Takeda) Fernald | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens subsp. maltei (Polunin) A.E.Porsild | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens var. maltei Polunin | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens var. ophitidis J.T.Howell | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens var. parvigluma (Takeda) Miyabe & Kudô | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens var. pumila (Takeda) Miyabe & Kudô | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens subsp. purpurascens  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis purpurascens var. purpurascens  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis purpurascens subsp. sesquiflora (Trin.) Vorosch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens subsp. tasuensis Calder& Roy L.Taylor | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens var. tasuensis (Calder & Roy L.Taylor) B.Boivin | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurascens var. vaseyi (Beal) M.E.Jones | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea (Trin.) Trin. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea subsp. angustifolia (Kom.) Vorosch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea subsp. barbata (V.N.Vassil.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea subsp. flexuosa (Rupr.) Soják | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea var. flexuosa (Rupr.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea f. glaucescens (Blytt) Holmb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea var. gracilis (Litv.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea subsp. langsdorffii (Link) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea subsp. phragmitoides (Hartm.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea subsp. pseudopurpurea (Gerstl. ex Heine) G.C.S.Clarke | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea f. rubicunda (Blytt) Holmb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea subsp. tenuis (V.N.Vassil.) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea subsp. trinii Almq. & Lehbert | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis purpurea f. viridis Kneuck. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pusilla Reeder | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis pyramidalis Host | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis quadriseta (Labill.) Spreng. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis quitensis Kunth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis radicans Vaniot | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ramonae Escalona | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ramosa Nakai ex Honda [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ramosa Host | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rariflora (Blytt) Müll.Berol | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rariflora Schur [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rauhii Tovar | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis recta (Kunth) Trin. ex Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis reflexa (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis reitzii Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis retrofracta (Willd.) Link ex Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis retrofracta (Willd.) Link | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis reverdattoi Golub | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × rigens Lindgr. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rigens Fr. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rigescens (J.Presl) Scribn. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rigida (Kunth) Trin. ex Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rigidula A.I.Baranov & Skvortz. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rivalis (Torges) H.Scholz | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis robertii A.E.Porsild | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis robusta (Blytt) Müll.Berol | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis robusta (Vasey) Vasey [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis robusta Franch. & Sav. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis robusta (Phil.) Phil. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis rodwayi (Vickery) Govaerts | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rosea (Griseb.) Hack. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rosea var. macrochaeta Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rosea f. typica Hack. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis rosea var. viridula Hack. ex Stuck. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis royleana (Trin.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis roylei Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rubella Boiss. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rubescens Buckley | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rubescens var. luxurians (Kearney) Dayton | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rubicunda Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rubra Bosc ex Kunth [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rudis (Roem. & Schult.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis rupestris Trin. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis ruprechtii Nevski | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sachalinensis F.Schmidt | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sachalinensis var. argyrea (Franch. & Sav.) Matsum. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sachalinensis var. hakonensis (Franch. & Sav.) Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sachalinensis subsp. litwinowii (Kom.) Prob. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sajanensis Malyschev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis salina Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sandiensis Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scaberrima Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scaberula Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scabra J.Presl | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scabrescens Griseb. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scabrescens Franch. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scabrescens var. elatior Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scabrescens var. humilis Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scabriflora Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis schiedeana (Rupr.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis schiedeana (Rupr. ex E. Fourn.) Hitchc. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis schimperiana Hochst. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis schleicheri Besser | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis schmidii Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis schraderiana (Bech.) Cif. & Giacom. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis schugnanica Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis schwabii Spreng. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scirpiformis Phil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sciuroides Franch. & Sav. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sclerantha Hack. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sclerophylla (Stapf) Hitchc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scopulorum M.E.Jones | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scopulorum var. bakeri Stebbins | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scopulorum var. lucidula Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scopulorum var. scopulorum  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis scotica (Druce) Druce | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scribneri Beal | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scribneri var. imberbis Stebbins | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis scribneri var. scribneri  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis secunda (Pilg.) Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sedenensis (Loisel.) Loisel. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sekimotoi Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sesquiflora (Trin.) Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sesquiflora (Trin.) Kawano | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis sesquiflora subsp. urelytra (Hack.) Prob. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sesquitriflora Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis setiflora (Wedd.) Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis setifolia (Hook.f.) Cockayne | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sibirica Petrov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sichuanensis J.L.Yang | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sikangensis (Keng) P.C.Kuo & S.L.Lu ex J.L.Yang | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis simlensis (Bor) G.Singh | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis simplex Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sinelatior (Keng) P.C.Kuo & S.L.Lu ex J.L.Yang | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sitchensis Trin. ex Griseb. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sitkensis Trin. ex Ledeb. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis smirnowii Litv. ex Petrov | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sodiroana Hack. ex Sodiro [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis souliei Sennen [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis speciosa (Schrad.) Host | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis spiciformis Hack. ex Stuck. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis spicigera (J.Presl) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis spicigera var. cephalotes (Wedd.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis splendens (Brongn.) Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis spruceana (Wedd.) Hack. ex Sodiro | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis srilankensis Davidse | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis staintonii G.Singh | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis steinbergii Roshev. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stenophylla Hand.-Mazz. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis steyermarkii Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stipitata Hitchc. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stolizkai Hook.f. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta (Timm) Koeler | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta Hegetschw. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta Spreng. | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta var. aculeolata Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta subsp. atrorubens Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta subsp. borealis (Laest.) Á.Löve | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta var. borealis Laest. ex Lange | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta var. brevior Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta var. elatior Hartm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta f. exserta Domin | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta var. geniculata Blytt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta var. groenlandica (Schrank) Á.Löve | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta var. hookeri Syme | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta var. humilior Hartm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta subsp. inexpansa (A.Gray) C.W.Greene | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta var. robusta Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis stricta var. stricta  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis × strigosa (Wahlenb.) Hartm. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis strigosa (Wahlenb.) Hartman | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis × strigosa C. Hartm. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis strigosa (Wahlenb.) Trin. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis stuebelii (Pilg.) Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis subacrochaeta Nakai | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis subalpina (Schur) Schur | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis subbiflora Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × subchalybaea Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × subepigeios Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis subflexuosa Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sublanceolata Honda | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × submonticola Prob. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × subneglecta Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis subspicata (L.) Desv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis subulata Dumort. | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis subulata Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × subuliglumis Hartm. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sugawarae Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis suizanensis (Hayata) Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis suka Speg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sukatschewii Roshev. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis suksdorfii (Scribn.) Scribn. ex Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis suksdorfii var. luxurians Kearney | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis suksdorfii var. suksdorfii  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis swallenii Tovar | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica (Schrad.) Besser [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica (Schrad.) DC. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis sylvatica var. abietina Schur | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. alpestris Schur | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. americana Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. breviseta A.Gray | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. colorata Meinsh. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. iberica Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. longifolia Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. montana Roem. & Schult. ex Arcang. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. purpurascens Thurb. ex Vasey | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. pyramidalis (Host) Mutel | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. rariflora Schur | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. turfosa Schur | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatica var. viridula Meinsh. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvaticostricta Kühlew. ex Griseb. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis sylvatios Besser [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tacomensis K.L.Marr & Hebda | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tarijensis Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tarmensis Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tarmensis var. macrochaeta (Hack.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tarmensis var. tarmensis  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis tartarica Jacq. ex Hook.f. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tashiroi Ohwi | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tashiroi f. sikokiana Ohwi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tashiroi subsp. sikokiana (Ohwi) Tateoka | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tatarica (Hook.f.) D.F.Cui | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × tatianae Prob. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis teberdensis Litv. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tenella (Schrad.) Host | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tenella var. humilis (Roem. & Schult.) Brand | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tenella f. pilosa (Schleich. ex Gaudin) Brand | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tenuifolia Kunth | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tenuifolia (Phil.) R.E.Fr. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tenuis V.N.Vassil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis teretifolia Laegaard | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis thrysoidea K.Koch | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tianschanica Rupr. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tibetica (Bor) Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tolmatschewii Prob. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tolmatshwewii Prob. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis tolucensis (Kunth) Trin. ex Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tolucensis var. densiflora Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tolucensis var. laxiflora Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × torgesiana Hausskn. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis transsylvanica Schur [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis treutleri (Kuntze) U.Shukla | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis treutleri (Kuntze) Govaerts | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis trichantha Schischk. | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis trichodonta (Wedd.) Soreng | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis trichophylla Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × trinii Rupr. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis trinii Almq. & Lehbert | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tripilifera Hook.f. | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis turczaninowii Litv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis turczaninowii subsp. latissima Vorosch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis turczniowii Litv. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis turkestanica Hack. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tweedyi (Scribn.) Scribn. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis tzvelevii Hüseyin | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis uncinoides (S.T.Blake) Reeder | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis unilateralis Petrov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × uralensis Litv. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis urelytra Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis urelytra var. macrantha Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis urelytra var. parvigluma Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis urelytra var. pumila Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × ussuriensis Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis valida Sohns | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia (Schrad.) Host | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia Thurb. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia var. acutiflora (DC.) K.Koch ex Ducommun | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia var. balcanica (Adamovic) Hayek | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia subsp. corsica (Hack. ex Briq.) Rouy | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia var. corsica Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia subsp. corsica (Hack. ex Briq.) Gamisans | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis varia var. corsica Hack. ex Briq. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis varia var. glauca Ducommun | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia var. longiaristata Korsh. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia var. macilenta Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia subsp. montana (Host) K.Richt. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia var. purpurascens Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis varia var. subbiflora Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis variegata Rojas Acosta [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis variegata With. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis variegata (Phil.) Kuntze [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis variflora Müll.Berol [Spelling variant] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis variiglumis Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vaseyi Beal [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × vassiljevii Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vegeta Nakai [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis velutina (Nees & Meyen) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis velutina (Nees & Meyen) Hauman | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis velutina var. breviculmis Hauman | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis velutina var. velutina  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis venusta (Keng) Tzvelev | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis veresczaginii Zolot. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vicunarum (Wedd.) Pilg. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vicunarum var. abscondita Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vicunarum var. elatior Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vicunarum var. humilior Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vicunarum var. minima Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vicunarum var. setulosa Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vicunarum var. tenuior Pilg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vicunarum var. vicunarum  | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis vilfiformis Kearney [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villarsii Mutel [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa (Chaix) J.F.Gmel. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa Mutel | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa St.-Lag. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. brachytricha Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. elata (Blytt) O.Fedtsch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. extrema (Beck) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. glabrata Celak. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. gracilescens (Blytt) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. hypacratera Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. hypathera Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. krupae Zapal. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. langsdorfii (Trin.) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. mutica Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. nutans (Saut.) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. pallescens (Celak.) Podp. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. pilosa (Celak.) Podp. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. pseudolanceolata Domin | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. pulchella (Saut.) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. ramosa Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. rubicunda (Blytt) O.Fedtsch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa f. rudimentosa Matuszk. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis villosa var. subgeniculata Torges | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × vilnensis Besser | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis vinealis Baumg. ex Steud. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Calamagrostis violacea (Wedd.) Hack. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis violacea (Wedd.) Hitchc. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis violacea var. puberula (Rúgolo & Villav.) Soreng | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis violacea var. violacea  | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Calamagrostis viridescens Steud. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis viridiflavescens (Poir.) Steud. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis viridiflavescens var. montevidensis (Nees) Kämpf | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis viridis (Phil.) Soreng | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis viridula Takeda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis viridula var. langsdorffii (Link) Hack. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis vulcanica Swallen | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis weberbaueri Tovar | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis welwitschii Rendle [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis willdenowii (Trin.) Steud. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis wiluica Litv. ex Petrov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis wirtgeniana Hausskn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis wyomingensis Gand. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis yanyuanensis J.L.Yang | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × yatabei Maxim. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis yendoana Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis yezoensis Honda | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis youngii (Hook.f.) Buchanan | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis youngii (Hook. f.) Petrie | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Calamagrostis ypungii var. petriei (Hack.) Petrie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis yukonensis Nash | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Calamagrostis zangxiensis P. C. Kuo & S. L. Lu | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Calamagrostis zenkeri (Trin.) Davidse | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Calamagrostis × zerninensis Lüderw. | 
		Accepted | 
		  | 
		WCSP |