| Frumentum hordeum E.H.L.Krause [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Frumentum sativum E.H.L.Krause | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum aestivum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum americanum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum bifarium Roth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum brachyatherum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum caspicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum coeleste (L.) P.Beauv. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum daghestanicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum defectoides R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum distichon subsp. zeocrithon (L.) Čelak. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Hordeum distichum L. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Hordeum durum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum elongatum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum gymnodistichum Duthie | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum heterostychon P.Beauv. [Spelling variant] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum hexastichon L. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum hexastichum L. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Hordeum hibernaculum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum hibernans R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum himalayense Schult. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum hirtiusculum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum horsfordianum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum ircutianum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum jarenskianum R.E.Regel [Invalid] | 
		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 kiarchanum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum laevipaleatum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum lapponicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum leptostachys Griff. | 
		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 michalkowii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum nekludowii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum nigrum Willd. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum pamiricum Vavilov [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum parvum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum pensanum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum polystichon Haller | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum polystichon var. hackelii Chiov. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum polystichon var. vulgare (L.) Döll | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum praecox R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum pyramidatum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum revelatum (Körn.) A.Schulz | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum sativum Jess. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum sativum Pers. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum sativum var. coeleste (L.) Vilm. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Hordeum sativum subsp. hexastichon (L.) K.Richt. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum sativum subsp. vulgare (L.) K.Richt. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum scabriusculum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum septentrionale R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum stassewitschii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum strobelense Chiov. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum taganrocense R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum tanaiticum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum tetrastichum Stokes | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum transcaucasicum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum violaceum R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum vulgare var. abdulbasirovii Omarov | 
		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 var. coeleste (L.) Maire | 
		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 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. 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 subsp. tetrastichum (Stokes) Celak. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum vulgare var. trofimovskajae Omarov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum vulgare var. valentinae Omarov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum vulgare var. zuleichatae Omarov | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Hordeum walpersii R.E.Regel [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Secale orientale Schreb. ex Roth [Invalid] | 
		Synonym | 
		  | 
		WCSP |