| Hordeum adpressum Moench | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum adscendens Kunth | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum aegiceras Nees ex Royle | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum aestivum Haller [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum aestivum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum agriocrithon Åberg | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum agriocrithon var. dawoense Åberg | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum ambiguum Döll | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum americanum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum andicola Griseb. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum andinum Trin. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum anglicum Gand. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum anglicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum apertum Phil. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum arenarium (L.) Asch. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum arizonicum Covas | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum arizonicum subsp. procerum (Nevski) C. Yen & J.L. Yang | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum asperum (Simonk.) Degen | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum avenaceum Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum berteroanum É.Desv. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum berteroanum var. pumila E. Desv. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum berteroanum var. pumilum É.Desv. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum bifarium Roth | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum × blomii Thell. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum blomii Thell. | 
		Unresolved | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum bobartii Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum bogdanii Wilensky | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum bohemicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum bonariense Parodi ex Nicora | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum boreale Gand. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum boreale Scribn. & J.G.Sm. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brachyantherum Nevski | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brachyantherum subsp. brachyantherum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum brachyantherum subsp. californicum (Covas & Stebbins) Bothmer, N.Jacobsen & Seberg | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brachyantherum var. gracilius Nevski | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brachyatherum Phil. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brachyatherum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brevicomum C.Presl [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brevisubulatum (Trin.) Link | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brevisubulatum subsp. brevisubulatum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum brevisubulatum var. hirtellum Z.S.Qin & S.D.Zhao | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brevisubulatum subsp. iranicum Bothmer | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brevisubulatum subsp. nevskianum (Bowden) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brevisubulatum var. nevskianum (Bowden) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brevisubulatum var. puberulum (Krylov) Melderis | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brevisubulatum subsp. turkestanicum (Nevski) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brevisubulatum var. turkestanicum (Nevski) P.C.Kuo | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum brevisubulatum subsp. violaceum (Boiss. & Huet) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum bulbosum L. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum bulbosum Sieber ex Kunth [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum bulbosum var. bourgaei Boiss. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum bulbosum var. brevispicatum Post | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum bulbosum var. lycium Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum bulbosum subsp. nodosum (L.) B.R.Baum | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum caducum Munro ex Aitch. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum caespitosum Scribn. ex Pammel | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum × caespitosum Scribn. | 
		Unresolved | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum californicum Covas & Stebbins | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum canadense (L.) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum capense Thunb. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum caput-medusae (L.) Coss. & Durieu | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum caput-medusae subsp. asperum (Simonk.) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum caput-medusae var. asperum (Simonk.) B. Fedtsch. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum caput-medusae subsp. crinitum (Schreb.) Asch. & Graebn. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum cartilagineum Moench [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum caspicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum caudatum V.Jirásek | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum chevalieri R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum chilense Roem. & Schult. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum chilense Brongn. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum chilense var. chilense  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum chilense var. compressum (Griseb.) Hauman | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum chilense f. elongatum Hauman | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum chilense f. longiaristatum Hauman | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum chilense var. longiaristatum Hauman | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum chilense var. magellanicum Parodi ex Nicora | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum chilense var. muticum (J.Presl) Hauman | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum ciliatum Lam. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum coeleste (L.) P.Beauv. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum coeleste var. trifurcatum Schltdl. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum colchicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum coleophorum Phil. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum comosum J.Presl | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum comosum var. bifidum Parodi ex Nicora | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum comosum var. comosum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum comosum var. flavescens É.Desv. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum comosum var. humile É.Desv. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum comosum var. pubiflorum (Hook.f.) Thell. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum comosum var. rigida E. Desv. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum comosum var. rigidum É.Desv. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum complanatum P.Beauv. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum compressum Griseb. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum compressum Boiss. & Orph. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum compressum var. superatum Hack. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum compressum f. tenuispicatum Hack. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum cordobense Bothmer, N.Jacobsen & Nicora | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum crinitum (Schreb.) Desf. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum cylindricum Murray | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum cylindricum Steud. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum daghestanicum (Alex.) Alex. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum daghestanicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum decaisneanum Hook.f. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum decaisnei Boiss. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum dedegenii Lojac. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum defectoides R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum deficiens Steud. ex A.Braun | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum delileanum (Schult.) Hack. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum delphicum Gand. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum depauperatum Steud. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum depilatum Gand. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum depressum (Scribn. & J.G.Sm.) Rydb. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum desmoulinsii Philippe | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum dilatatum Gand. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum distichon L. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum distichon var. distichon  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum distichon var. erythraeum Chiov. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum distichon subsp. nudum (L.) Rothm. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum distichon var. nudum L. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum distichon var. pseudozeocriton Chiov. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum distichon var. spontaneum (K.Koch) Asch. & Schweinf. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum distichon subsp. zeocrithon (L.) Čelak. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum distichon subsp. zeocriton (L.) Celak. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum distichon var. zeocriton (L.) Hayek | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum divergens Nees & Meyen ex Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum durum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum elisabethpolense R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum elongatum Gand. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum elongatum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum elymoides (Raf.) Schenck | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum elymoides Vest ex Kunth [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum erectifolium Bothmer, N.Jacobsen & R.B.Jørg. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum eriwanense R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum euclaston Steud. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum euclaston var. puberulum Parodi & Nicora | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum europaeum (L.) All. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum europaeum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum flexicaule Gand. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum flexuosum Steud. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum fragile Boiss. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum fragile Godr. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum fuegianum Bothmer, N.Jacobsen & R.B.Jørg. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum fuscum Larrañaga [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum geniculatum All. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum geniculatum (Delile) Thell. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum geniculatum f. hirtellum (Degen ex Nevski) Bowden | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum germanicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum giganteum (Vahl) Raspail | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum glabra Trin. | 
		Unresolved | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum glabrum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum glaucum Steud. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum guatemalense Bothmer, N.Jacobsen & R.B.Jørg. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum gussoneani f. apertum Simonk. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum gussoneanum Parl. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum gussoneanum Parl. ex Nyman | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum gymnodistichum Duthie | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum halophilum Griseb. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum halophilum var. breviaristatum Parodi ex Nicora | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum halophilum var. halophilum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum heterostychon P.Beauv. [Spelling variant] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hexaploidum Covas | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hexastichon L. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hibernaculum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hibernans R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum himalayense Schult. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hirsutum Bertol. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hirtiusculum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hohenackeri Gand. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum horsfordianum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hrasdanicum Gandilyan | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hystrix Roth | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hystrix (L.) Schenck [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hystrix f. apertum (Simonk.) Soó | 
		Unresolved | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum hystrix f. apterum Soó | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hystrix f. decumbens P.Silva | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum hystrix f. hirtellum (Degen ex Asch. & Graebn.) Soó | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum imberbe Ard. ex Roem. & Schult. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum imrinum Forssk. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum incrinum Poir. [Spelling variant] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum innermongolicum P.C.Kuo & L.B.Cai | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum intercedens Nevski | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum × intermedium (Körn.) Carleton | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum × intermedium Carlet | 
		Unresolved | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum intermedium Hausskn. | 
		Unresolved | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum intermedium var. intermedium  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum iranicum (Bothmer) Tzvelev | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum ircutianum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum irregulare Åberg & Wiebe | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum ischnatherum (Coss.) Schweinf. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum ithaburense Boiss. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum ithaburense var. ischnatherum Coss. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jarenskianum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum L. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum var. boreale (Hitchc.) B.Boivin | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum subsp. brachyantherum (Nevski) Bondarenko ex Korovina | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum subsp. breviaristatum Bowden | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum var. caespitosum (Scribn.) Hitchc. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum var. comosum (J.Presl) Kuntze | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum f. flavidum Kuntze | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum subsp. intermedium Bowden | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum subsp. jubatum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum jubatum var. jubatum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum jubatum var. normale Kuntze | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum jubatum var. pampeanum Hauman | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum var. pilosulum Franch. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum var. tomentellum Nevski | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum f. versicolor Kuntze | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum f. violaceum Kuntze | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum jubatum f. viride Kuntze | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum juliae R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum kalugense R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum karzinianum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum kaufmannii Regel | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum kentii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum kiarchanum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum korshinskianum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum kronenburgii Hack. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum laevipaleatum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum × lagunculciforme (Bachteev) Nikif. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum lagunculiforme Bacht. | 
		Accepted | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum lanuginosum (Trin. ex Ledeb.) Schenck | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum lapponicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum laxum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum lechleri (Steud.) Schenck | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum lenkoranicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum leporinum Link | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum leporinum subsp. glaucum (Steud.) T.A.Booth & A.J.Richards | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum leporinum var. simulans Bowden | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum leptostachys Griff. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum lycium Boiss. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum macilentum Steud. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum macrolepis A.Braun | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum mandshuricum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum mandshuroides R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum marinum Huds. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum marinum subsp. gussoneanum (Parl.) Thell. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum marinum var. gussoneanum (Parl.) Hyl. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum marinum var. hirtellum Degen ex Nevski | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum marinum subsp. marinum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum marinum var. pubescens (Guss.) Nevski | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum maritimum Stokes [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum maritimum Roth [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum maritimum var. annuum (Lange) Maire & Weiller | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum maritimum var. apterum Simonk. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum maritimum subsp. gussoneanum (Parl.) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum maritimum subsp. gussoneanum (Parl.) K.Richt. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum maritimum var. gussoneanum (Parl.) K. Richt. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum maritimum subsp. gussoneanum (Parl.) Stefani, Fors.-Major & Barbey | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum maritimum f. hirtellum Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum maritimum subsp. hystrix (Roth) Dostál | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum maritimum var. patagonicum Hauman | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum maritimum var. pavisii (Préaub.) P. Fourn. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum maritimum var. pubescens (Guss.) Woods | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum maximum Vill. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum michalkowii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum microcladum Gand. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum montanense Scribn. ex Beal | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum montanum Schrank | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum monticola R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum L. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum var. chilense Brongn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum var. glaucescens Zapal. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum subsp. glaucum (Steud.) Tzvelev | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum subsp. leporinum (Link) Arcang. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum var. leporinum (Link) Bory & Chaub. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum var. leporinum (Link) K. Richt. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum murinum var. leptostachys Trab. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum var. majus Godr. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum f. montanum Hack. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum subsp. montanum (Hack.) H.Scholz & Raus | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum subsp. murinum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum murinum var. pedicellatum Pau & Font Quer | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum subsp. setariurum H.Scholz & Raus | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum var. simulans Bowden | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum murinum var. velutinum Speg. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum mustersii Nicora | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum muticum J.Presl | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum muticum var. andicola (Griseb.) Thell. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum muticum var. compressum (Griseb.) Thell. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum muticum var. compressum (Griseb.) Hauman | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum muticum var. superatum (Hack.) Thell. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum neglectum Gand. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nekludowii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nepalense Sweet [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nevskianum Bowden | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nigrum Willd. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nodosum L. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nodosum Ucria [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nodosum var. boreale Hitchc. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nodosum var. depressum Scribn. & J.G.Sm. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nodosum var. maroccanum Maire | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nodosum var. parviflorum (Hack.) Henrard & Thell. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nodosum var. secalinum (Schreb.) Maire | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nudideficiens R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nudum (L.) Ard. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum nudum Schult. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum nutans Alef. | 
		Accepted | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum pamelii Scribn. & C.R.Ball | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pamiricum Vavilov [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pampeanum (Hauman) Herter | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum parodii Covas | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum parodii var. araucanum Parodi ex Nicora | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum parodii var. parodii  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum parvum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum patagonicum (Hauman) Covas | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum patagonicum subsp. magellanicum (Parodi & Nicora) Bothmer, Giles & N.Jacobsen | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum patagonicum var. magellanicum (Parodi ex Nicora) C. Yen & J.L. Yang | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum patagonicum subsp. mustersii (Nicora) Bothmer, Giles & N.Jacobsen | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum patagonicum var. mustersii (Nicora) C. Yen & J.L. Yang | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum patagonicum subsp. patagonicum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum patagonicum subsp. santacrucense (Parodi & Nicora) Bothmer, Giles & N.Jacobsen | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum patagonicum var. santacrucense (Parodi ex Nicora) C. Yen & J.L. Yang | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum patagonicum subsp. setifolium (Parodi & Nicora) Bothmer, Giles & N.Jacobsen | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum patagonicum var. setifolium (Parodi ex Nicora) C. Yen & J.L. Yang | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum patulum Moench [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum × pavisii Préaub. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pensanum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum perversum Forssk. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pilosum Steud. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum polystichon Haller | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum polystichon var. hackelii Chiov. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum polystichon var. vulgare (L.) Döll | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum praecocius R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum praecox R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pratense Huds. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pratense var. annuum Lange | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pratense var. brongniartii Macloskie | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum princeps R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum procerum Nevski | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum proskowetzii Nábelek [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pseudomurinum Tapp. ex W.D.J.Koch | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pubescens Guss. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pubiflorum Hook.f. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pubiflorum var. blomii (Thell.) Melderis | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum pubiflorum subsp. breviaristatum (Parodi & Nicora) C.Baden | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pubiflorum subsp. halophilum (Griseb.) C.Baden & Bothmer | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pubiflorum var. intermedia (Hauman) Melderis | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum pubiflorum var. intermedium (Hauman) Melderis | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pubiflorum var. pampeanum (Hauman) Melderis | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pubiflorum subsp. pubiflorum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum purpurascens Gand. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pusillum Nutt. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pusillum var. euclaston (Steud.) Hauman | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pusillum subsp. flexuosum (Nees ex Steud.) Covas | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pusillum var. flexuosum (Nees ex Steud.) Covas | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pusillum var. pubens Hitchc. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum pusillum var. pusillum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum pusillum subsp. pusillum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum pyramidatum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum revelatum (Körn.) A.Schulz | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum richardsonii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum riehlii Steud. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum rigidum Roth | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum roshevitzii Bowden | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum rothii Link | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum rubens Willk. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum rupestre Alex. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum rupestre var. intermedium Alex. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum santacrucense Parodi ex Nicora | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sativum Jess. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sativum Pers. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sativum var. coeleste (L.) Vilm. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum sativum var. distichon (L.) Beck | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sativum subsp. hexastichon (L.) K.Richt. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sativum var. nudum (L.) Vilm. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum sativum var. trifurcatum Schltdl. ex Orlov & Åberg | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sativum subsp. vulgare (L.) K.Richt. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sativum var. vulgare (L.) K. Richt. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum scabriusculum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum scandinavicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum Schreb. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum Guss. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum var. andicola (Griseb.) Hauman | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum subsp. brevisubulatum (Trin.) Krylov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum var. brevisubulatum Trin. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum var. chilense É.Desv. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum subsp. gussoneanum (Parl.) Fouill. & Litard. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum f. intermedium Hauman | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum var. parviflorum Hack. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum f. puberulum Krylov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum var. puberulum Kuntze | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum var. pubiflorum (Hook.f.) Hauman | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum f. scabriusculum Kuntze | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum secalinum var. scabriusculum Kuntze | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum septentrionale R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum setifolium Parodi ex Nicora | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sibiricum (L.) Schenck | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sibiricum Roshev. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sibiricum Link ex Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sieberianum Besser ex Schult. & Schult.f. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum simulans (Bowden) C. Yen & J.L. Yang | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum spontaneum K.Koch | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum spontaneum var. ischnatherum (Coss.) Thell. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum spontaneum var. ithaburense (Boiss.) Nábelek | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum spontaneum var. lagunculciforme Bachteev | 
		Unresolved | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum spontaneum var. lagunculiforme (Bacht.) Bacht. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum spontaneum var. proskowetzii Nábelek | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum spontaneum var. spontaneum  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum stassewitschii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum stebbinsii Covas | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum stenostachys Godr. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum stenostachys var. superatum (Hack.) Thell. ex Stuck. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum striatum (Willd.) Schenck | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum strictum Desf. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum strobelense Chiov. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum subfastigiatum Döll | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum suecicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum sylvaticum Huds. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum taganrocense R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum tanaiticum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum temirense Bogdan | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum tetraploidum Covas | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum tetrastichum Stokes | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum transcaucasicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum trifurcatum (Schltdl.) Wender. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum turkestanicum Nevski | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum turkestanicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum turkestanicum var. iranicum (Bothmer) C. Yen & J.L. Yang | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum utriculatum Bertero | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vaginatum K.Koch | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum valdiviae (Steud.) Schenck | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum villosum Moench | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum villosum (Muhl. ex Willd.) Schenck [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum villosum Steud. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vilmorianum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum violaceum Boiss. & Hohen. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum violaceum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum virginicum (L.) Schenck | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum volhynicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare L. | 
		Accepted | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. abdulbasirovii Omarov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare subsp. aegiceras (Nees ex Royle) Á.Löve | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. aegiceras (Nees ex Royle) Aitch. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum vulgare subsp. agriocrithon (Åberg) Á.Löve | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. argiceras (L.) Aitch. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. bachteevii Omarov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. brachyurum (Alef.) Körn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. chungense Åberg | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. coeleste L. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare subsp. deficiens (Steud. ex A.Braun) Á.Löve | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. deficiens (Steud. ex A.Braun) Schweinf. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare subsp. distichon (L.) Körn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. distichon (L.) Hack. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. distichon (L.) Hook. f. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum vulgare subsp. distichum (L.) Thell. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum vulgare var. glabriviride Trofim. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare f. hexastichon (L.) M.Hiroe | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare subsp. hexastichon (L.) Celak. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. hexastichon (L.) Asch. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare subsp. intermedium Körn. | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum vulgare var. ismailii Omarov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. lukyanovae Omarov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. lvovii Omarov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare subsp. medioasiaticum Bachteev | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. multispiculum Trofim. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. nudum (L.) Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. pallidum Ser. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. patimatae Omarov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. revelatum Körn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. saidii Omarov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. sikangense Åberg | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare subsp. spontaneum (K.Koch) Asch. & Graebn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. spontaneum (K.Koch) Körn. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare subsp. tetrastichum (Stokes) Celak. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. trifurcatum (Schltdl.) Alef. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. trofimovskajae Omarov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare var. valentinae Omarov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum vulgare subsp. vulgare  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum vulgare var. vulgare  | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Hordeum vulgare var. zuleichatae Omarov | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum walpersii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum werneri R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum winkleri Hack. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum wolgense R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Hordeum zeocriton L. | 
		Synonym | 
		  | 
		WCSP | 
		 |