| Hordeum aestivum Haller [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum anglicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum bohemicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum chevalieri R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum colchicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum deficiens Steud. ex A.Braun | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| 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 subsp. zeocriton (L.) Celak. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum distichon var. zeocriton (L.) Hayek | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum elisabethpolense R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum eriwanense R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum europaeum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum germanicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum glabrum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum imberbe Ard. ex Roem. & Schult. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum irregulare Åberg & Wiebe | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum kentii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum korshinskianum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum laxum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum lenkoranicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum monticola R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum nudideficiens R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum nudum (L.) Ard. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum praecocius R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum princeps R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum richardsonii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum sativum var. distichon (L.) Beck | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum sativum var. nudum (L.) Vilm. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Hordeum scandinavicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum suecicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum turkestanicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum vilmorianum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum volhynicum R.E.Regel [Invalid] | 
		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. nudum (L.) Hook.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum werneri R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum wolgense R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum zeocriton L. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Zeocriton commune P.Beauv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Zeocriton distichon (L.) P.Beauv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Zeocriton vulgare Gray [Illegitimate] | 
		Synonym | 
		  | 
		WCSP |