| Orthopogon abortivus (R.Br.) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon aemulus R.Br. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon africanus (P.Beauv.) Sweet | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon agrostoides Trevir. ex Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon albus (Poir.) Nees ex Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon bolosii Vayr. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon bromoides (Lam.) Loudon | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon burmanni (Retz.) R.Br. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon burmanni var. glabrescens Buse | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon burmanni var. lanatus Buse | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon compositus (L.) R.Br. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon compositus var. glabrescens Büse | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Orthopogon crus-galli (L.) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon cubensis Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon dichotomus Llanos | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon echinatus (Willd.) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon flaccidus R.Br. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon gonyrrhizus (Steud.) Miq. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon hirsutus Spreng. ex Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon hirtellus (L.) R.Br. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon hirtellus Nutt. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon hirtellus Eaton & J. Wright | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Orthopogon hispidus (Elliott) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon holciformis (Kunth) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon imbecillis R.Br. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon junghuhnii Nees ex Steud. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon junghuhnii Nees | 
		Synonym | 
		  | 
		TRO | 
		 | 
	
	
		| Orthopogon loliaceus (Lam.) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon longiracemosus (Steud.) Miq. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon parvifolius Nutt. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon pratensis Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon remotus Trin. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon retzii (Retz.) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon setarius (Lam.) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon squarrosus (L.f.) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon stagninus (Retz.) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon subverticillatus Llanos | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon sylvaticus (Lam.) Miq. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon trichoides Link | 
		Unresolved | 
		  | 
		TRO | 
		 | 
	
	
		| Orthopogon undulatifolius (Ard.) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon undulatus Link [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
		 | 
	
	
		| Orthopogon velutinus (G.Mey.) Spreng. | 
		Synonym | 
		  | 
		WCSP | 
		 |